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Review Acer Aspire S5-391-73514G25akk Ultrabook

High-end debut. With the 1500 Euros (~$1927) ultrabook Aspire S5, Acer wants to attract customers in the luxury segment. In order to achieve this, the manufacturer sets on fast hardware, fine materials, and a couple of interesting features. Is this enough to put pressure on the established competition?

For many customers the name Acer stands for rather simple and inexpensive notebooks that have little to do with the term "high-end". Meanwhile, the Taiwanese manufacturer changes its strategy: the lower price segment is to be covered by the daughter company Packard Bell, while Acer strengthens its position as a premium supplier.

In order to develop a certain reputation in this area, correspondingly high-quality and expensive products are needed. It so happens that we have, at 1500 Euros (~$1927), the most expensive notebook of the current Acer portfolio under the microscope, namely the ultrabook Aspire S5-391-73514G25akk.

The 13.3-inch lightweight notebook relies on Intel's Ivy Bridge, using either Core i7-3517U or i5-3317U. Our top model features not only the faster i7 processor, but also a high-performance SSD RAID with 256 GB capacity. The amount of system memory (4 GB) as well as all the other specifications is identical for both versions of the notebook.

There is no shortage of high-end competitors: we want to compare the Aspire S5 above all with the Asus UX31A and the Samsung 900X3B (review of the successor 900X3C to follow) - the leaders in our Subnotebook-/Ultrabook-Rank list - and to answer the question of whether or not the price is justified.

Case

Thin metal housing with only 15 mm height
Thin metal housing with only 15 mm height

Rounded corners and matte-shiny surfaces, a simple design with few accents: the look of the Aspire S5 is somewhat restrained and boring, although the first quality impression is convincing. Here and there, the ultrabook reminds us of the significantly cheaper Aspire S3, although the materials are noticeably better. Aluminum and magnesium replace the simple plastic of the entry-level model.

Thanks to this lightweight material, Acer has managed to reduce the weight down to 1.2 kg, and lower the height to 15 mm (Aspire S3: 17.8 mm). The mobility requirements of an ultrabook seem to be extensively covered, even if there is room for improvement in the details: a narrow display bezel, like in the Samsung 900X3B, would have enabled an even more compact appearance.

Despite the delicate construction, Acer has managed to increase stability over the Aspire S3. The housing is almost completely pressure resistant and only slightly gives in above the keyboard. Somewhat less good, but still proper is the torsional rigidity: both the base unit and the lid can be twisted a few millimeters with moderate force - this poses no problem in practice, but it doesn't show the highest quality. There are also a couple more, mostly minor, points of criticism: the vibrating display hinges or the somewhat rattling right palm rest (possibly a fault on our test unit). Other than these, there are no complaints about the workmanship.

All of this leads only to a good, but not excellent, score in this discipline for the Aspire S5. Unfortunately our test candidate is missing the latest fine touches, which the Asus UX31A or the Dell XPS 13 have.

Connectivity

With the cases becoming thinner and thinner, the question where to place to interfaces arises. Here Acer has chosen an unconventional way: some ports (excluding the AC jack) are hidden in the housing and can be revealed via a button, when the user needs them (in this video).

In principle, this is an elegant solution that does not hinder either mobility or connectivity. But the implementation by the manufacturer is a different story: the integrated electric motor works with a loud buzzing noise and makes us wonder if this gadget will not fail in a couple of years. Also: the "Magic Flip I/O" opens automatically under load, because in addition to the interfaces, it houses the air vent of the notebook.

In addition to the two USB 3.0 ports the Aspire also features an HDMI (VGA adapter is included) and the versatile Thunderbolt port - an absolute rarity in current notebooks, except for a couple of Apple models. We also find a side-mounted card reader (SD, MMC) and the obligatory headset jack. Both of these are quite well positioned, in contrast to the somewhat difficult to reach rear ports.

Front: no ports
Front: no ports
Left side: card reader
Left side: card reader
Rear: HDMI, 2x USB 3.0, Thunderbolt, AC jack
Rear: HDMI, 2x USB 3.0, Thunderbolt, AC jack
Right side: headphone/microphone
Right side: headphone/microphone

Communication

Given the lack of LAN port - a Thunderbolt adapter can be used instead - the connection to the internet and other computers is limited to WLAN. Acer promises compatibility with IEEE 802.11a/g/n, thus supporting the usual 2.4 GHz band and also the 5 GHz band. In our test (2.4 GHz, 150 MBit/s data rate) the Aspire S5 convinced us with high transmission rates even at higher distances. While Bluetooth 4.0 is among the standard features of the notebook, WWAN (UMTS or LTE) is generally not available.

The 1.3 megapixel webcam is available to take photos and videos, unfortunately with lower picture quality. In addition to the lack of sharpness, the sensor also disappoints with visible noise and pale colors. For VoIP applications such as Skype, it is more than enough though. The same goes for the integrated microphone.

Accessories

In terms of the accessories, Acer seems unusually generous: in addition to the 65 W power supply, in the box we find a Bluetooth mouse, a polishing cloth (essential for a black case) and the already mentioned HDMI-VGA adapter.

Given the lack of an optical drive, the manufacturer does not need to include a physical recovery media, but instead has pre-installed backup software. The software package also includes the encoder CyberLink MediaEspresso and a couple of demo versions, which - with the exception of the McAfee anti-virus - do not bother the customer with annoying activation requests.

Maintenance

Like most other ultrabooks, the Aspire S5 offers only limited maintenance options. Loosening the screws on the bottom allows for the removal of the palm rest, which hides the integrated battery. Removing the keyboard proves a bit more difficult (probably secured by retaining tab), which is why we did not further disassemble our test unit. According to the manufacturer, the upgrade of the system memory is not possible and the 4 GB module is integrated - thus we advise against opening the devices.

Warranty

Acer provides the customer with 24 months of Collect & Return Service, which means that in case of a fault, the devices will be collected, repaired, and then returned. Additional service packages go under the name "Acer Advantage" and are offered by different online retailers; an extension to 3 years costs the very reasonable 60 to 80 Euros (~$77 - $102).

Input Devices

Keyboard

The black chiclet keyboard of the Aspire S5 is very similar in terms of appearance, layout, and writing feedback to the Aspire S3; a very similar or even identical model has been used. Apart from some peculiarities such as the relatively small keys (arrow - only 11 x 7 mm, letters - 14 x 14 mm) the keyboard corresponds to the usual standard in this class.

Also typical for an ultrabook is the short stroke, which thanks to the crisp, medium firm pressure point, does not carry any weight. In order to achieve an even better typing experience, Acer should eliminate the already minimal wobbling, which is noticeable only with very vigorous keystrokes, in the middle of the keyboard. We would also like a differentiable structure of the keys. The noise level remains low even at higher typing speed and shows no signs of rattling or other annoying noises.

Touchpad

The manufacturer Synaptics supplies the touchpad for the Aspire S5, which with 97 x 67 mm is slightly larger than that of the older S3. The lightly roughened surface is pleasantly tactile and ensures minimal friction and an exceptionally precise cursor movement. Modern features such as configurable multi-touch gestures and palm sensing are of course on board.

Following the current trend, similar to Asus UX31A or MacBook Air, the mouse buttons are integrated directly into the surface ("Clickpad"). Both keys have a firm pressure point and have a very slight drop, even at the edges. However: many users would prefer the classical layout with dedicated buttons.

Keyboard
Keyboard
Touchpad
Touchpad

Display

1600x900 pixels in the Samsung 900X3B/C, even 1920x1080 in the Asus UX31A - the competition boasts high-resolution displays, while the screen of the Aspire S5 provides the meager 1366x768 pixels. With almost 118 dpi, writing and icons are still sufficiently smooth, but we would have liked some more working space on the desktop.

With an ultrabook, the high-brightness display should be on the top of specification list, especially in the price range well over 1000 Euros (~$1294). Unfortunately this is not the case with our test unit: the LED backlight provides only 207 cd/m² in the middle of the screen; a result that even cheap office notebooks can achieve. Thus the Aspire is far behind the 400 cd/m² of the best rivals.

200
cd/m²
206
cd/m²
203
cd/m²
210
cd/m²
221
cd/m²
210
cd/m²
193
cd/m²
214
cd/m²
208
cd/m²
Distribution of brightness
AUO B133XW01 V2 tested with Gossen Mavo-Monitor
Maximum: 221 cd/m² (Nits) Average: 207.2 cd/m²
Brightness Distribution: 87 %
Center on Battery: 218 cd/m²
Contrast: 147:1 (Black: 1.5 cd/m²)36.69% AdobeRGB 1998 (Argyll 2.2.0 3D)
44.23% sRGB (Argyll 2.2.0 3D)
34.92% Display P3 (Argyll 2.2.0 3D)

Our disappointment continues with the black level (1.5 cd/m²) and contrast ratio (147:1). The TN panel by AUO (B133XW01 V2) cannot compete in either area with a high-quality IPS or PLS screen. In practice, this is especially noticeable when watching movies or playing games, where the subjective image falls significantly behind the mentioned rivals.

Even though the Aspire S5 was not designed for the professional graphic or image editor, we take a quick look at the color space reproduction. The sRGB was covered only at 50% - enough for the home user, all others should use an external monitor.

Aspire S5 vs. AdobeRGB (t)
Aspire S5 vs. AdobeRGB (t)
Aspire S5 vs. sRGB (t)
Aspire S5 vs. sRGB (t)
Aspire S5 vs. 900X3B (t)
Aspire S5 vs. 900X3B (t)
Aspire S5 vs. MacBook Air 13 (t)
Aspire S5 vs. MacBook Air 13 (t)
Aspire S5 vs. Zenbook UX31A (t)
Aspire S5 vs. Zenbook UX31A (t)
Outdoors
Outdoors

In addition to the low brightness, the reflective surface hinders the outdoor use of the notebook. In short: the Aspire S5 is hardly suitable for outside use, especially in direct sunlight. This would have been fine with a mostly stationary desktop replacement, but in our case we have a significant limitation.

Viewing angle Acer Aspire S5-391-73514G25akk
Viewing angle Acer Aspire S5-391-73514G25akk

The viewing angle stability is on the well-known level of an inexpensive entry-level model: the image remains unaltered only at absolutely straight forward viewing. Horizontal and especially vertical deviations are met with decreasing contrast and inverted colors. The competitors Asus and Samsung, even the TN panel of the MacBook Air 13, manage to do better here.

Performance

3.0 GHz maximum Turbo frequency
3.0 GHz maximum Turbo frequency

Let us forget the disappointing display and turn to the heart of the Aspire: it beats with 1.9 GHz (Turbo up to 3.0 GHz) and is, as with all current ultrabooks, from Intel's Ivy Bridge generation. The Core i7-3517U is currently the second fastest ULV processor with a TDP of 17 W, which is the difference to regular dual-core models. In addition to the well known Hyper Threading technology, the processor supports a number of other modern features, more about which you can read in our database.

Since last year's Sandy Bridge generation, all of Intel's mobile processor now feature an integrated graphics card, in this case the fastest version HD Graphics 4000. Unlike the Asus UX32VD for example, an additional dedicated graphics card is not available.

In addition to the Core i7 are 4 GB of RAM, which serve as both system and video memory. With only 666 MHz (DDR3-1333), Acer does not fully reach the 800 MHz (DDR3-1600) promised by the manufacturer, but at least provides for a dual-channel connectivity. The operating system and other user data are located on the 256 GB flash memory.

Systeminfo CPUZ CPU
Systeminfo CPUZ Cache
Systeminfo CPUZ Mainboard
Systeminfo CPUZ RAM
Systeminfo CPUZ RAM SPD
Systeminfo GPUZ
Systeminfo HDTune
DPC Latenzen
System information Acer Aspire S5-391-73514G25akk

Processor

Maximum frequency in the single-thread tests
Maximum frequency in the single-thread tests
Limited Turbo in multi-threading
Limited Turbo in multi-threading

We next take a look at the single-thread benchmarks, such as the Cinebench R10 (64 Bit) tests, where the Core i7-3517U should excel thanks to the Turbo Boost frequency of 3.0 GHz. 5052 points is on par with the popular 35 W CPU i5-3210M - very impressive for a low-voltage model. Thus the i7 has about 15% lead on the cheaper i5-3317U.

Somewhat different is the case when we fully utilize both cores with the Cinebench R11.5. Theoretically, the maximum frequency here should be 2.8 GHz, which the Aspire can hold for only the first couple of seconds of the test. Then it drops momentarily to 1.0 GHz, just to vary between 2.3 and 2.6 GHz for the rest of the test. The result of 2.51 points is about 10% below the potential of the CPU - no earth-shattering difference, but it does take away from the value of the high-priced Core i7. Previous tests with the same CPU in the Dell XPS 14 and the Acer Aspire M5 showed no such problem.

Cinebench R10 Rendering Single 32Bit
3988
Cinebench R10 Rendering Multiple CPUs 32Bit
8143
Cinebench R10 Shading 32Bit
4155
Cinebench R10 Rendering Single CPUs 64Bit
5052 Points
Cinebench R10 Rendering Multiple CPUs 64Bit
9842 Points
Cinebench R10 Shading 64Bit
4299 Points
Cinebench R11.5 CPU Single 64Bit
1.22 Points
Cinebench R11.5 CPU Multi 64Bit
2.51 Points
Cinebench R11.5 OpenGL 64Bit
14.73 fps
Help

Storage Devices

CrystalDiskMark
CrystalDiskMark

Fast, faster, SSD - you would think this is the end of the line? Wrong! Acer combines two of these drives each with 128 GB capacity in a fast RAID 0 array with double the storage space.

We already know of similar notebooks, such as the Sony Vaio SV-S13A1Z9E, which uses Samsung SSDs. In the Aspire S5 work two drives by Lite On, which have the cryptic name CMT-128L3M. Detailed information is hard to find; the two SSDs probably use a Marvell controller, which allows for SATA III connection to the system.

Ultimately, the customer will be interested in the performance - and there's lots of it: depending on the software, the reached sequential write rate was 600 MB/s, the read rate was even almost 1000 MB/s. In principle, the transfer rate of smaller data will be somewhat slower, but still at the level of the fastest competitors.

2x Lite-On CMT-128L3M (RAID 0)
Transfer Rate Minimum: 577 MB/s
Transfer Rate Maximum: 955 MB/s
Transfer Rate Average: 897 MB/s
Access Time: 0.1 ms
Burst Rate: 2597 MB/s
CPU Usage: 1 %

System Performance

After such results, it is no surprise that the Aspire S5 is at the top of current ultrabooks in terms of system performance. In PCMark Vantage (12611 points) our test candidate is beaten by only a couple of mostly high-end notebooks, and in PCMark 7 (5949 points) it even sets a new record.

Even if the results of the synthetic PCMark series of benchmarks should be viewed with caution, the basic tendency is directly applicable in practice. Even with demanding software, multitasking, or large data transfer there are no hiccups in the system. We hardly missed a faster - so far there is none in the 17 W class - quad-core processor, but a bit more system memory was desirable.

5.8
Windows 7 Experience Index
Processor
Calculations per second
7
Memory (RAM)
Memory operations per second
5.9
Graphics
Desktop performance for Windows Aero
5.8
Gaming graphics
3D business and gaming graphics
6.4
Primary hard disk
Disk data transfer rate
7.9
PCMark Vantage Result
12611 points
PCMark 7 Score
5949 points
Help

Graphics Card

Since we are already familiar with the technical data of the HD Graphics 4000, we do not want to waste too many words here: 16 so-called Execution Units, clocked at 350 MHz (Turbo up to 1150 MHz), provide for a performance on the level of some dedicated entry-level models. DirectX 11 is supported by the HD 4000 as well as the hardware acceleration of most popular video codecs, in addition to which Quick Sync is available as a powerful hardware encoder.

While the result in 3DMark 11 is on the expected level with 610 points, the scores in 3DMark 06 (4238 points) and 3DMark Vantage (2175 points) are somewhat below the hardware's potential. The reason is, as with some of the CPU benchmarks above, the moderate utilization of the Turbo Boost capacity.

3DMark 06 Standard Score
4238 points
3DMark Vantage P Result
2175 points
3DMark 11 Performance
610 points
Help

Gaming Performance

Playable: Diablo 3
Playable: Diablo 3

In order to test to what extent this will impact the performance in practice we used a couple of 3D games. Here too we see that the maximum frequency of the GPU is well below its maximum (1150 MHz). In Battlefield 3 the clock frequency was around 800 MHz, which resulted even with our lowest settings (1024x768 pixels, minimum details) in unplayable 14.9 fps. It seems that Acer starts limiting the Turbo of Intel's chip shortly before reaching the TDP limit of 17 W.

Slightly less demanding games such as Deus Ex, Diablo 3 or Anno 2070, on the other hand seem to run smoothly at similar details - casual gamers may be satisfied with the performance of the HD 4000. A properly satisfying performance is not offered by many current ultrabooks, the already mentioned Asus UX32VD with a dedicated Nvidia chip (GT 620M, 50 to 100% faster) being a possible alternative.

lowmed.highultra
Deus Ex Human Revolution (2011) 41.8 21.3
Battlefield 3 (2011) 14.9
Anno 2070 (2011) 42.2 16.4 10.1
Diablo III (2012) 53.1 29.6 24.8

Emissions

Noise Level

In idle and light office applications using the energy saving profile, the Aspire's cooling system works mostly passive, which in combination with the SSD hard drive makes for a completely silent system (29.6 dB(A)). However, even small load peaks - for example a background process or loading a large website - make the fan turn on and whisper at 32 to 34 dB(A). This is not really loud, but still, some rivals like the Asus UX31A work a couple of dB quieter.

This difference grows further under load. Games or CPU heavy applications turn up the volume after a couple of minutes up to 41.6 dB(A). We would describe the noise as high-frequency, but an absolute constant, so not annoying. At higher temperatures it is not possible to retract the interface panel; as we previously described, the panel serves for cooling purposes as well.

Noise Level

Idle
29.6 / 31.8 / 33.7 dB(A)
Load
41.6 / 41.6 dB(A)
  red to green bar
 
 
30 dB
silent
40 dB(A)
audible
50 dB(A)
loud
 
min: dark, med: mid, max: light   Voltcraft SL 320 (15 cm distance)

Temperature

Stress test
Stress test

Thanks to the ULV components, the case heats up only slightly in everyday use. In idle, neither the top nor the bottom reaches the 30 oC mark. For browsing or watching videos, the ultrabook is safe to use on the lap, thanks to the construction of the cooling system: the bottom plate does not have any vents that could be blocked.

In contrast to most rivals, the case remains relatively cool even under full load. We measured 27 oC in the area of the palm rests and about 33 oC in the middle of the keyboard. Only in the area of the air vent exists a spatially limited hotspot reaching almost 50 oC, which in practice could easily be avoided.

The user shouldn't worry about the well-being of the hardware either: after an hour of our stress test with Prime95 and FurMark, the Core i7 showed a core temperature of 75 oC, which leaves enough reserves even for hot summers. Unfortunately, the Aspire S5 suffers from throttling: more than 1.2 GHz CPU  and 1.0 GHz GPU frequencies are not possible in continuous operation (TDP limit). Since we have seen significantly higher clock frequencies in other ultrabooks, it seems that our test unit has come with a rather "bad" CPU with stray current - normal deviations, which exist with every chip manufacturer.

Max. Load
 32.2 °C
90 F
33.3 °C
92 F
29.6 °C
85 F
 
 30.5 °C
87 F
33 °C
91 F
27.3 °C
81 F
 
 27.7 °C
82 F
27.2 °C
81 F
26.8 °C
80 F
 
Maximum: 33.3 °C = 92 F
Average: 29.7 °C = 85 F
36 °C
97 F
49.5 °C
121 F
43.6 °C
110 F
30.9 °C
88 F
45 °C
113 F
40.8 °C
105 F
27.8 °C
82 F
29.6 °C
85 F
29.6 °C
85 F
Maximum: 49.5 °C = 121 F
Average: 37 °C = 99 F
Power Supply (max.)  47 °C = 117 F | Room Temperature 22.8 °C = 73 F | Voltcraft IR-360
(+) The average temperature for the upper side under maximal load is 29.7 °C / 85 F, compared to the average of 30.8 °C / 87 F for the devices in the class Subnotebook.
(+) The maximum temperature on the upper side is 33.3 °C / 92 F, compared to the average of 36.1 °C / 97 F, ranging from 21.4 to 281 °C for the class Subnotebook.
(-) The bottom heats up to a maximum of 49.5 °C / 121 F, compared to the average of 39.4 °C / 103 F
(+) In idle usage, the average temperature for the upper side is 27.2 °C / 81 F, compared to the device average of 30.8 °C / 87 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 27.7 °C / 81.9 F and are therefore cool to the touch.
(±) The average temperature of the palmrest area of similar devices was 28.3 °C / 82.9 F (+0.6 °C / 1 F).

Speakers

We are used to the boastings of the manufacturers, thus our expectations were low, despite the "Dolby Home Theater" label above the keyboard, and indeed: the two speakers of the Aspire S5 do not offer more than just an average good level. Even after some tweaking in the pre-installed equalizer the sound remained flat and without bass. The clear highs and proper maximum volume cannot hide the fact that even a pair of cheap external speakers or headphones can produce a significantly better sound. The signal quality of the output jack (3.5 mm) left us with a subjectively convincing impression.

Battery Life

Power Consumption

Just 4.5 to 6.5 W in idle make the Aspire S5 one of the most energy efficient ultrabooks. Here we must note that the low maximum brightness of the display has a significant impact on these values.

Under load, primarily the CPU carries the bulk of the power consumption. A maximum of almost 34 W was measured, which is standard of this class. Since Acer supplies an oversized 65 W power supply, the battery can easily be charged during operation (see the section below).

Power Consumption
Off / Standbydarklight 0.1 / 0.3 Watt
Idledarkmidlight 4.5 / 6.3 / 6.5 Watt
Load midlight 33.6 / 32.4 Watt
 color bar
Key: min: dark, med: mid, max: light        Voltcraft VC 940

Battery Life

In contrast to the power supply, the manufacturer has been stingy with the battery: the integrated one only has 34 Wh. Compared to the MacBook Air 13 and the Asus UX31A, both of which offer about 50 Wh, this a disadvantage that should not be underestimated.

All the more surprising is the runtime the Aspire S5 achieves, despite this shortcoming. In Battery Eater Reader's test (energy saving profile, wireless modules off, minimum brightness) we managed to beat the manufacturer's 6.5 hours and reach an impressive time of 7 hours and 22 minutes.

In practice these values are unrealistic, but even with WLAN on and moderate brightness (about 150 cd/m2) the notebook managed 4 hours and 39 minutes. The disadvantage of the small battery is thus almost completely countered by the particularly high energy efficiency.

With the Battery Eater Classic test (high performance profile, wireless modules on, maximum brightness) we simulated the minimum runtime under full load. Energy saving features have little impact and the runtime of 68 minutes is not surprising. For a complete charge the user should plan about 2 full hours.

Readers Test
Readers Test
Classic Test
Classic Test
Charging
Charging
Battery Runtime
Idle (without WLAN, min brightness)
7h 22min
WiFi Surfing
4h 39min
Load (maximum brightness)
1h 08min

Verdict

Acer Aspire S5
Acer Aspire S5

1500 Euros (~$1927) for a 1200 g notebook: the price of the Acer Aspire S5 is high-end, but does this apply to the quality as well?

Compared to the cheaper Aspire S3 we notice significant progress in many places: instead of the plastic we have stable and high-quality light metals, which we already know from other rivals. Thanks to the clever, retractable interface construction, the ultrabook is among the thinnest devices.

The Aspire scored further bonus points with its high application performance, even though it is somewhat diminished by the throttling under full load and limited Turbo Boost. A special highlight in addition to the Core i7 processor are the two SSD drives, which have record-breaking transfer rates and provide for a real thrill of speed.

Unfortunately, the Aspire S5 fails in other disciplines. Above all, the display diminishes the overall impression of the notebook: the screen is practically unusable outdoors; the contrast and viewing angle stability would be more of a fit for an entry-level model. Such a shame the user can only make limited use of the good battery life. 

"The better is the enemy of the good." This principle is our test candidate's undoing. The Aspire S5 is a good ultrabook, but rivals such as the Asus UX31A simply make things a bit better. This is true not only for the display, but also for the chassis quality, the keyboard, and the noise level. Apart from the MacBook Air almost no other model offers a Thunderbolt port, but the other points are better (in some case even cheaper!) with the rivals.

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In Review: Acer Aspire S5-391-73514G25akk
In Review: Acer Aspire S5-391-73514G25akk, courtesy of:

Specifications

Acer Aspire S5-391-73514G25akk (Aspire S5 Series)
Processor
Graphics adapter
Intel HD Graphics 4000, Core: 1150 MHz, RAM: 800 MHz, 8.15.10.2712
Memory
4 GB 
, Dual-Channel DDR3-1333, non-removable
Display
13.30 inch 16:9, 1366 x 768 pixel, AUO B133XW01 V2, TN panel, LED backlight, glossy: yes
Mainboard
Intel HM77 (Panther Point)
Storage
2x Lite-On CMT-128L3M (RAID 0), 256 GB 
Soundcard
Intel Panther Point PCH - High Definition Audio Controller
Connections
2 USB 3.0 / 3.1 Gen1, 1 Thunderbolt, 1 VGA, 1 HDMI, Audio Connections: Headset (3.5 mm jack), Card Reader: 4-in-1 card reader (SD, SDHC, SDXC, MMC)
Networking
Atheros AR5BWB222 Wireless Network Adapter (b/g/n = Wi-Fi 4/), Bluetooth 4.0
Size
height x width x depth (in mm): 15 x 324 x 227 ( = 0.59 x 12.76 x 8.94 in)
Battery
34 Wh Lithium-Polymer, 4-cell, 2310 mAh
Operating System
Microsoft Windows 7 Home Premium 64 Bit
Camera
Webcam: 720p
Additional features
Speakers: Stereo speakers, Keyboard: Chiclet, Keyboard Light: no, Wireless mouse, Adapter HDMI to VGA, 65 W power supply, Office 2010 Starter, McAfee Internet Security Testversion, CyberLink MediaEspresso, 24 Months Warranty
Weight
1.2 kg ( = 42.33 oz / 2.65 pounds), Power Supply: 200 g ( = 7.05 oz / 0.44 pounds)
Price
1500 Euro

 

After Acer brought the cheap ultrabook Aspire S3 to the market...
After Acer brought the cheap ultrabook Aspire S3 to the market...
In the frame we find the 1.3 megapixel webcam.
In the frame we find the 1.3 megapixel webcam.
The quality of the input devices is rather good...
The quality of the input devices is rather good...
but the speakers lack bass and volume.
but the speakers lack bass and volume.
Generously sized:
Generously sized:
65 W delivers the power supply, nearly double the maximum consumption.
65 W delivers the power supply, nearly double the maximum consumption.
Acer has included a wireless mouse and a VGA adapter.
Acer has included a wireless mouse and a VGA adapter.
After the screws on the bottom have been removed...
After the screws on the bottom have been removed...
the palm rest can be lifted.
the palm rest can be lifted.
The 34 Wh battery can last about 4 hours in everyday use.
The 34 Wh battery can last about 4 hours in everyday use.
The display can be opened at a maximum of 140 degrees.
The display can be opened at a maximum of 140 degrees.
The card reader is located on the left side.
The card reader is located on the left side.
now comes the luxury model Aspire S5.
now comes the luxury model Aspire S5.
The compact 13.3-inch notebook...
The compact 13.3-inch notebook...
weighs only 1.2 kg and...
weighs only 1.2 kg and...
is made of metal such as aluminum and magnesium.
is made of metal such as aluminum and magnesium.
Shiny matte black dominates the look.
Shiny matte black dominates the look.
Abracadabra:
Abracadabra:
Pressing a button opens a panel at the back...
Pressing a button opens a panel at the back...
which  reveals the hidden interfaces.
which reveals the hidden interfaces.
The manufacturer has even included a Thunderbolt port.
The manufacturer has even included a Thunderbolt port.
Unfortunately, the display is so reflective that the use is limited to indoor.
Unfortunately, the display is so reflective that the use is limited to indoor.

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Price Comparison

Pros

+ Very light and stable housing
+ High performance
+ Extremely fast SSD combination
+ Proper input devices
+ Thunderbolt port
+ Long battery life

Cons

- Reflective and qualitatively disappointing display
- Moderate Turbo Boost utilization
- Noisy under load
- No UMTS/LTE or LAN
- Limited maintenance capabilities
- Very high price

Shortcut

What we like

Light, strong, and very thin: Acer has done well in terms of the case. This is possible among other things thanks to the Flip I/O feature, with which the manufacturer has demonstrated innovation. 

What we'd like to see

Given its long battery life, the Aspire S5 could have been the perfect mobile companion - could, because the weak display gets in the way. Dark, with low contrast and narrow viewing angles, and reflective - a bitter disappointment for an ultrabook in this price range.

What surprises us

We were especially surprised by the huge performance of the SSD array, which makes many workstations look old. In everyday use, a single SSD would not be noticeably slower. 

The competition

The Aspire's rivals are other high-end ultrabooks such as the Asus UX31A, the Apple MacBook Air 13, the Dell XPS 13 and the Samsung 900X3B/900X3C.

Rating

Acer Aspire S5-391-73514G25akk - 09/25/2012 v3 (old)
Till Schönborn

Chassis
87%
Keyboard
83%
Pointing Device
90%
Connectivity
60%
Weight
94%
Battery
82%
Display
66%
Games Performance
66%
Application Performance
97%
Temperature
87%
Noise
85%
Add Points
80%
Average
82%
84%
Subnotebook - Weighted Average
Till Schönborn, 2012-10- 3 (Update: 2024-11- 4)