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Review Acer Aspire S3-391-53314G52add Ultrabook

Number one's successor. In late 2011, Acer launched its first ultrabook, the Aspire S3. Now updated, the 13.3-inch Aspire S3-391 ultrabook features Ivy Bridge components starting at 799 Euro (~$999). We tested whether the ultrabook is worth its price.

The Acer Aspire S3-391 is available in three versions. We tested the lowest priced 799 Euro (~$999) version. Our sample device is powered by the dual-core Intel Core i5-3317U processor. The processor is paired to 4 GB of working memory. As is the case with other Ivy Bridge-based notebooks, the processor-integrated Intel HD Graphics 4000 graphics card is responsible for video output. Our system also features a 500 GB hard disk with a 20 SSD cache. The other two Aspire S3-391 versions differ from our test device only marginally. For 100 Euro (~$125) more, the ultrabook can be configured to use a 128 GB SSD instead of a physical hard disk. The most expensive model costs 999 Euro (~$1249) and features the aforementioned SSD as well as the Intel Core i7-3517U.

Competing ultrabooks include the Acer Aspire S3-951-6646 (Intel Core i5-2467MIntel HD Graphics 3000), Lenovo IdeaPad U310 (Intel Core i5-3317U, Intel HD Graphics 4000), and Fujitsu LifeBook UH572 (Intel Core i5-3317U, Intel HD Graphics 4000).


Compared to the previous Acer Aspire S3-951-6646, the case of our sample Aspire S3-931 is unchanged in terms of both dimensions and weight. Both the base unit and display bezel are made from plastic. Only the display lid is made from aluminum. Overall, the case made a good impression. The specifics of the case can be found in the previously conducted review of the Aspire S3-951-6646.


As with the case, the Aspire S3-391 remains largely unchanged in terms of connectivity and interface placement when compared to the previously reviewed Acer Aspire S3-951-6646. Nonetheless a few of the interfaces have been updated. While the two USB ports are still on the ultrabook’s rear, they now support the USB 3.0 standard as compared to the Aspire S3-951’s USB 2.0 ports. The HDMI port and power socket remain on the rear. While this may be beneficial for cable routing, being required to turn the ultrabook to access the ports can quickly become annoying. The only interfaces found on the sides are the combination audio jack on the left side and the SD/MMC card reader on the right.

Few interfaces: 2x USB 3.0, HDMI
Few interfaces: 2x USB 3.0, HDMI
The memory card reader supports SD and MMC cards
The memory card reader supports SD and MMC cards
A combination audio jack is on the right
A combination audio jack is on the right


Our test device features the Qualcomm Atheros AR5BWB222 Wi-Fi module which supports the 802.11b/g/n standards. We found that the ultrabook’s Wi-Fi reception could have been better. In our test environment, the ultrabook was never able to attain more than three of the five bars shown in Windows’ system tray even when the notebook was within 4 meters of the router. Other laptops tested in the same scenario achieved a full five-bar connection in Windows. In this regard, the lack of an Ethernet port could be a significant weakness as Gigabit Ethernet would be the best way to transfer large amounts of data when Wi-Fi reception is bad. We feel that Acer could have implemented a dongle connection as in the Acer Aspire V5-531. Fortunately, the ultrabook includes support for the Bluetooth 4.0 standard. Users who use video telephony services will be happy with the built-in 1.3-megapixel webcam. Skype VoIP software is pre-installed.


The only accessories included in the Acer Aspire S3-391’s retail package are a few instruction guides, a quick start poster, and some safety notes.

Operating System and Recovery

The Acer Aspire S3-391 comes pre-installed with Windows 7 Home Premium 64-bit. As no Windows 7 DVD is included, system recovery requires the use of the included recovery partition. This proved to be a very simple process as one can simply shut down the ultrabook and start system recovery by using the key combination “Alt” and “F10”. Doing so allows the user to restore the ultrabook to factory settings. It is also possible to cache the user’s data.

Additional Software

The Acer Aspire S3-391 includes a 60-day trial version of McAfee Internet Security Suite that offers only temporary protection for the ultrabook. Microsoft Office 2010 Starter Edition is also included. Other software programs include Microsoft Windows Live Essentials 2011 which includes an email program and video editing software, Microsoft’s Skype program, and CyberLink MediaEspresso. The latter converts media files to a format that can be used by smartphones, tablets, and gaming consoles.

Maintenance and Upgrading

For the Aspire S3-391, Acer provided no maintenance options. With no maintenance hatch on the notebook’s underside, the only way a user might access the internal components is to remove the entire base piece which is secured by twelve screws. Once they have been removed, the base plate can easily be removed but the user should exercise caution in doing so as the bottom and the rest of the case are connected via a cable toward the notebook’s rear.

The ultrabook includes 4 GB of system memory and the device does not support more RAM. Moreover, there are no memory banks and the RAM is soldered directly to the motherboard. The hard disk and SSD can be removed and replaced with other models. If one chooses to do so, it should be noted that the replacement drive must have a build height of 7 mm (0.28 in) or less. The most common build height for 2.5-inch drives is 9.5 mm (0.37 in).


The Acer Aspire S3-391-53314G52add includes a 24-month pick-up and return warranty. During the term of the warranty, Acer is responsible for picking up the device from the customer. This standard warranty can also be extended. A warranty extension to three years costs approximately 60 Euro (~$75) and must be purchased and activated within the first 90 days of purchase.

Input Devices


The Acer Aspire S3-391 features a chiclet keyboard which, unfortunately, does not include a backlight. The 14 x 14 mm (0.55 x 0.55 in) keys are made from a matte black plastic and are separated by gaps of approximately 4 mm (0.16 in). The Enter, Backspace, Tab, left Shift, and arrow keys are a bit small, possibly due to the limited space. Similarly, there is no space for a dedicated numeric keypad. Although the keyboard from the Aspire S3-391 resembles that of the former Aspire S3-951, Acer managed to improve the qualities of its latest ultrabook’s keyboard. The keys feature a short keystroke and a clearly defined pressure point that is neither too spongy nor too stiff. If one is used to typing on conventional laptop and desktop keyboards, a certain amount of familiarization may be required to become accustomed to the flat keys and their short stroke.


The Aspire S3-391 uses a 86 x 64 mm (3.39 x 2.52 in) ClickPad, a touchpad that lacks dedicated mouse buttons. Instead, the entire pad is a large clickable surface. Clicks made on the touchpad’s lower region registers as left and mouse button presses based on where the click is made. The touchpad has a slightly roughened surface that in no way prevents fingers from gliding. The pad is multi-touch capable and supports features such as pinch-to-zoom.

A keyboard backlight is not available.
A keyboard backlight is not available.
Acer uses a ClickPad
Acer uses a ClickPad


Similar to its predecessor, the Acer Aspire S3-391 features a glare-type 13.3-inch LED-backlit screen with a native resolution of 1366x768 with no other optional configurations. Compared to the screen of the Aspire S3-951, the Aspire S3-391’s display has deteriorated somewhat. With an average brightness of 182.1 cd/m2, the screen is not particularly bright and even less so when compared to the Aspire S3-951’s brightness of 194.6 cd/m2. The Lenovo IdeaPad U310 and Fujitsu LifeBook UH572 are, however, worse with brightness levels of 175.8 cd/m2 and 177.8 cd/m2 respectively. Hence all four of these devices employ weak brightness levels as good screens typically achieve levels far above 200 cd/m2.

Distribution of brightness
AU Optronics B133XW01 V2 tested with Gossen Mavo-Monitor
Maximum: 192 cd/m² (Nits) Average: 182.1 cd/m²
Brightness Distribution: 89 %
Center on Battery: 191 cd/m²
Contrast: 161:1 (Black: 1.19 cd/m²)49.68% AdobeRGB 1998 (Argyll 2.2.0 3D)
62.5% sRGB (Argyll 2.2.0 3D)
48.3% Display P3 (Argyll 2.2.0 3D)
Acer Aspire S3-391 vs. sRGB
Acer Aspire S3-391 vs. sRGB
Acer Aspire S3-391 vs. AdobeRGB
Acer Aspire S3-391 vs. AdobeRGB

On the other hand, the black value of 1.19 cd/m2, while still average at best, is an improvement over the Aspire S3-951’s 1.52 cd/m2. This puts the Aspire S3-391 on the same level as the Lenovo IdeaPad U310 and Fujitsu LifeBook UH572 which have black levels of 1.14 and 1.20 cd/m2 respectively. While the resulting contrast ratio of 161:1 for the Aspire S3-391 is hardly awe-inspiring, it is nonetheless an improvement over the Aspire S3-951’s 136:1. In this regard, the IdeaPad U310 and LifeBook UH572 are again comparable with ratios of 164:1 and 158:1 respectively. The Aspire S3-391 is incapable of reproducing the sRGB and AdobeRGB color spaces but this is not a problem for most users as these color spaces are only important for professional graphics design.

The glare-type screen and poor brightness make outdoor use virtually impossible. At best, it is only possible to work with the Aspire S3-391 ultrabook in the shade.

It is no surprise that the Aspire S3-391’s viewing angle stability is mediocre as in many laptops. Image distortions occurred quickly in the vertical axis. Horizontal viewing angles were much more generous and several people could simultaneously view the screen.

Acer Aspire S3-391 outdoors
Acer Aspire S3-391 outdoors
Viewing angles: Acer Aspire S3-391-53314G52add
Viewing angles: Acer Aspire S3-391-53314G52add


All three configurations of the Acer Aspire S3-391 belong to the rather compact office laptop category. Ultrabooks tend to be very portable and can manage most common application scenarios simultaneously. Web browsing, email, online chats, video calls, watching videos, and word processing are all typically trivial for an ultrabook. Computer games are possible only to a very limited extent but whether or not these games are fun on the small screen is a different matter.

System info CPUZ CPU
System info CPUZ Cache
System info CPUZ Mainboard
System info CPUZ RAM
System info GPUZ
System info HWInfo
System information: Acer Aspire S3-391-53314G52add


The Acer Aspire S3-391-53314G52add is powered by the dual-core Intel Core i5-3317U processor. This Ivy Bridge processor has a base clock speed of 1.7 GHz and can be Turbo Boosted to 2.4 GHz for dual-core operation and 2.6 GHz for single-core operation. This ULV (ultra-low voltage) CPU can also operate at a particularly low voltage which results in low power consumption.

During our simultaneous Prime95 and Furmark load test, both CPU cores only ran for a very short time (less than one minute) at their full 2.4 GHz clock speed. The processor clock then dropped to 1.8 to 1.9 GHz and remained in that range for one to two minutes. The CPU then alternately increased and decreased its operating speed. We observed that the cores’ speed continuously jumped between 800 MHz and 2.4 GHz. The integrated GPU exhibited the same behavior between 350 MHz and 1050 MHz. The GPU only ran stably at 1050 MHz during the first two minutes of operation. On battery power, this behavior was unchanged. These results demonstrate that performance losses are virtually unavoidable when the system is fully loaded.

During our Cinebench tests, the CPU ran continuously at its maximum 2.4 GHz clock. Thus, the results were comparable to those of other notebooks, such as the Lenovo IdeaPad U310 and Fujitsu LifeBook UH572, featuring the same Core i5-3317U processor. The previous Acer Aspire S3-951-6646 which uses the Intel Core i5-2467M was clearly beaten.

Cinebench R10 Rendering Single 32Bit
Cinebench R10 Rendering Multiple CPUs 32Bit
Cinebench R10 Shading 32Bit
Cinebench R10 Rendering Single CPUs 64Bit
4333 Points
Cinebench R10 Rendering Multiple CPUs 64Bit
9005 Points
Cinebench R10 Shading 64Bit
3883 Points
Cinebench R11.5 CPU Multi 64Bit
2.4 Points
Cinebench R11.5 OpenGL 64Bit
11.4 fps

System Performance

The Windows 7 Experience Index awarded the integrated GPU the lowest score in the benchmark. However, the hard disk is more noticeable in routine use. Starting applications and installing new programs could have been a bit smoother, especially considering the SSD cache that is installed. For those interested in this ultrabook, it may be worthwhile to consider the higher priced model that features a pure 128 GB SSD instead of the hybrid solution used in this configuration. The PCMark 7 benchmark results met expectations. The slow hard disk prevented a higher score. The prior Acer Aspire S3-951, also based on a hybrid system, scored considerably worse in the same test.

Windows 7 Experience Index
Calculations per second
Memory (RAM)
Memory operations per second
Desktop performance for Windows Aero
Gaming graphics
3D business and gaming graphics
Primary hard disk
Disk data transfer rate
PCMark Vantage Result
5872 points
PCMark 7 Score
2656 points
HD Tune
HD Tune

Storage Devices

Our sample Acer Aspire S3-391 is equipped with a conventional 500 GB 5400 RPM Hitachi Travelstar Z5K500. This drive has more than sufficient storage capacity for pictures, music, and videos. Acer even managed to find space in the small, thin case to install a 20 GB solid state cache which the user cannot access directly.

We found this hybrid disk solution to be unconvincing. Applications still demonstrated a delay when starting, surprising when considering the other metrics for the hybrid solution. We measured an average transfer speed of 84.2 MB/s for the Hitachi hard disk, a result that is good for a 5400 RPM drive. The cache’s average transfer rate was 158.8 MB/s. Based on this combination, the system should be considerably faster. As a result, we can only conclude that the disks were not perfectly synchronized. For those who do not require a large amount of built-in storage should consider one of the other Aspire S3-391 configurations that use a pure solid state solution.

Hitachi Travelstar Z5K500 HTS545050A7E380 + 20 GB SSD Cache
Transfer Rate Minimum: 4.5 MB/s
Transfer Rate Maximum: 168.7 MB/s
Transfer Rate Average: 84.2 MB/s
Access Time: 19.8 ms
Burst Rate: 103.2 MB/s

Graphics Card

The Acer Aspire S3-391’s processor-integrated Intel HD Graphics 4000 supports DirectX 11 and operates at a clock speed range of 350 to 1100 MHz. This GPU is generally considered to be part of the lower-middle range of graphics options.

During our full load stress test using Furmark and Prime95, we observed some GPU throttling as the graphics card only ran at its maximum speed for a short time. For most of the test, the GPU clock fluctuated between 350 and 1050 MHz. On battery power, the graphics card operated stably at 350 MHz. Our various 3DMark benchmark results reflect this behavior. As a result, the Aspire S3-391’s 3DMark11 and 3DMark Vantage results were on par with those of the Lenovo IdeaPad U310. In other benchmarks such as 3DMark03, 3DMark05, and 3DMark06, the Aspire S3-391 scored considerably worse than the IdeaPad U310. This indicates CPU throttling as well. The Fujitsu LifeBook UH572 delivered much better results than both the Aspire S3-391 and IdeaPad U310 in all 3DMark benchmarks. This also matched our stress test results. The CPU and GPU could not simultaneously operate at their full clock speeds due to the generated heat overwhelming the cooling system.

In normal use, the scores of all three ultrabooks are more or less comparable due to using the same CPU and thus same GPU. Other equipment is also identical.

3DMark 03 Standard
7402 points
3DMark 05 Standard
5239 points
3DMark 06 Standard Score
2888 points
3DMark Vantage P Result
1920 points
3DMark 11 Performance
421 points
3DMark 06 - 1280x1024 Standard Score AA:0x AF:0x (sort by value)
Acer Aspire S3-391-53314G52add
HD Graphics 4000, 3317U, Hitachi Travelstar Z5K500 HTS545050A7E380 + 20 GB SSD Cache
2888 Points
Lenovo IdeaPad U310
HD Graphics 4000, 3317U, Hitachi Travelstar Z5K500 HTS545050A7E380
3332 Points +15%
Fujitsu LifeBook UH572
HD Graphics 4000, 3317U, Western Digital Scorpio Blue WD5000LPVT
3880 Points +34%
3DMark 06 - CPU - CPU Score (sort by value)
Acer Aspire S3-391-53314G52add
HD Graphics 4000, 3317U, Hitachi Travelstar Z5K500 HTS545050A7E380 + 20 GB SSD Cache
1963 Points
Lenovo IdeaPad U310
HD Graphics 4000, 3317U, Hitachi Travelstar Z5K500 HTS545050A7E380
2902 Points +48%
Fujitsu LifeBook UH572
HD Graphics 4000, 3317U, Western Digital Scorpio Blue WD5000LPVT
1878 Points -4%

Gaming Performance

While slim, lightweight ultrabooks are not generally purchased for playing current computer games, it is nonetheless possible to play games to a limited extent on the Acer Aspire S3-391. Our sample device was only capable of playing games at playable frame rates using low resolutions and minimum quality settings in the games we tested. More gaming benchmarks using the Intel HD Graphics 4000 can be found on the review page of the card itself. It should be noted that the review was performed on a much faster version in a standard-voltage quad-core CPU.

low med. high ultra
StarCraft 2 (2010) 65.6 17.45 8.88
Deus Ex Human Revolution (2011) 32.48 16.7
Fifa 12 (2011) 58.9 38.16 18.36


System Noise

One problem with ultrabooks is that heat can rapidly accumulate in the small, slim case and must be quickly dissipated. This requires a fan that has to run more frequently. As a result, we observed a fan that increased its speed audibly even while performing simple tasks such as installing a program. Our measurements recorded noise levels ranging from 30.6 to 35 dB while idle. We also measured a clearly-audible peak noise level of 42.1 dB during our simultaneous Prime95 and Furmark stress test. While under medium load in 3DMark06, the system noise was 39.4 dB. Overall, our test device was noisier at all load levels than the preceding Acer Aspire S3-951. The Lenovo IdeaPad U310 achieved a similar noise level to the predecessor and was much less noisy under medium load. The Fujitsu LifeBook UH572 was generally quieter than the Aspire S3-391.

Noise Level

30.6 / 33.7 / 35 dB(A)
31.4 dB(A)
39.4 / 42.1 dB(A)
  red to green bar
30 dB
40 dB(A)
50 dB(A)
min: dark, med: mid, max: light   Voltcraft sl-320 (15 cm distance)
Acer Aspire S3-391-53314G52add during the stress test
Acer Aspire S3-391-53314G52add during the stress test


While idle, we observed acceptable temperatures for the Acer Aspire S3-391. The notebook reached temperatures between 28.0 and 32.5 degrees Celsius (82.4 and 90.5 degrees Fahrenheit).These temperatures enabled a pleasant working condition and it was possible to use the device on the lap without worry. These temperatures increased to a range of 32.0 to 42.0 degrees Celsius (89.6 to 107.6 degrees Fahrenheit) during load. We even recorded a maximum of 45.5 degrees Celsius (113.9 degrees Fahrenheit) at one measurement point. The wrist rest temperature of 32.5 to 38.5 degrees Celsius (90.5 to 101.3 degrees Fahrenheit) also allows one to work comfortably even during full load.

Both the CPU and CPU finished our Prime95 and Furmark stress test with varying clock speeds ranging from 800 MHz to 2.4 GHz and 350 MHz to 1050 MHz for the CPU and GPU respectively. Their temperatures settled at around 75 degrees Celsius (167 degrees Fahrenheit).

Max. Load
 40.3 °C
105 F
35.3 °C
96 F
33.6 °C
92 F
 41.3 °C
106 F
37.2 °C
99 F
32.6 °C
91 F
 38.5 °C
101 F
33.8 °C
93 F
32.5 °C
91 F
Maximum: 41.3 °C = 106 F
Average: 36.1 °C = 97 F
34.7 °C
94 F
38 °C
100 F
45.5 °C
114 F
32.3 °C
90 F
36.6 °C
98 F
41.6 °C
107 F
32 °C
90 F
34.8 °C
95 F
36.2 °C
97 F
Maximum: 45.5 °C = 114 F
Average: 36.9 °C = 98 F
Power Supply (max.)  47.1 °C = 117 F | Room Temperature 24.9 °C = 77 F | Voltcraft IR-360
(±) The average temperature for the upper side under maximal load is 36.1 °C / 97 F, compared to the average of 29.5 °C / 85 F for the devices in the class Office.
(±) The maximum temperature on the upper side is 41.3 °C / 106 F, compared to the average of 34.2 °C / 94 F, ranging from 21.2 to 62.5 °C for the class Office.
(-) The bottom heats up to a maximum of 45.5 °C / 114 F, compared to the average of 36.7 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 30 °C / 86 F, compared to the device average of 29.5 °C / 85 F.
(±) The palmrests and touchpad can get very hot to the touch with a maximum of 38.5 °C / 101.3 F.
(-) The average temperature of the palmrest area of similar devices was 27.7 °C / 81.9 F (-10.8 °C / -19.4 F).


The Acer Aspire S3-391 features speakers which are located on the device’s underside. It is no easy task to coax high-quality audio from a typical laptop. Therefore it was hardly a surprise that this is nearly impossible from a slim, compact device such as the Aspire S3-391. As a result, we concluded that the Aspire S3-391’s audio quality was reasonable for a slim ultrabook even if it felt thin and low in volume. It was nonetheless sufficient for video conferences and presentations. Those planning to watch movies or listen to music on the device should consider using external speakers or headphones.

Battery Life

Power Consumption

In our testing, we observed a power consumption of 7.1 to 10.1 Watts when the Acer Aspire S3-391 was idle. This was higher than that of the competition. During the full load, simultaneous Prime95 and Furmark stress test, the ultrabook consumed 29.2 Watts. This rate was, on the other hand, below that of the competition. However, this is unsurprising due to the aforementioned CPU and GPU throttling.

Power Consumption
Off / Standbydarklight 0.1 / 0.2 Watt
Idledarkmidlight 7.1 / 10.1 / 10.4 Watt
Load midlight 24.3 / 29.2 Watt
 color bar
Key: min: dark, med: mid, max: light        Voltcraft VC 940
Currently we use the Metrahit Energy, a professional single phase power quality and energy measurement digital multimeter, for our measurements. Find out more about it here. All of our test methods can be found here.

Battery Runtime

For testing battery life, we used three different tests. The first of these, the Battery Eater Reader’s Test, determines maximum runtime by using the display’s minimum brightness, the Power Saver profile in Windows, and disabled Wi-Fi modules. In this test, the Acer Aspire S3-391-53314G52add achieved a runtime of 7 hours. To determine minimum runtime, we use the Battery Eater Classic Test and set the display brightness to maximum, select the High Performance profile in Windows, and enable all wireless modules. Under these conditions, the Acer ultrabook managed a load runtime of 1 hour 40 minutes. In the third test, we attempted to determine a practical runtime that is reflective of everyday use. In this scenario, the Surfing with Wi-Fi Test, we set the screen to a brightness of approximately 150 cd/m2, enabled the Power Saver profile in Windows, and enabled the Wi-Fi module. The Aspire S3-391 managed a runtime of 3 hours 58 minutes in this practical test.

We consider these runtimes to be acceptable overall as they exceed the runtimes of the previous Acer Aspire S3-951 and the Fujitsu LifeBook UH572 which have battery capacities of 36.2 and 42.0 Wh respectively. The Lenovo IdeaPad U310 achieved better runtimes in both the Classic Test and the Surfing with Wi-Fi Test due to its larger 46 Wh battery. It should be noted that both Acer ultrabooks have the smallest battery capacities amongst all four ultrabooks.

Battery Runtime
Idle (without WLAN, min brightness)
7h 00min
WiFi Surfing
3h 58min
Load (maximum brightness)
1h 40min


While the previous Acer Aspire S3-951 ultrabook could point toward its relatively low price, especially for an ultrabook, to convince consumers to buy it, this no longer applies to the Acer Aspire S3-391 as there are now a few ultrabooks that are considerably cheaper. One such example is the Lenovo IdeaPad U310 which costs approximately 599 Euro (~$749). Compared to the previous model, the Aspire S3-391 has more computing power and a better battery life. Both come at the expense of more system noise and this can become annoying in the long run due to the rather audible fan noise even during low load scenarios. Otherwise, not much has changed. If one found the previous model to be appealing, this will also be the case for the Aspire S3-391.

Those considering the Aspire S3-391 should consider a configuration that makes use of a pure solid state storage device instead of the hybrid solution. The installed SSD cache of our sample model achieved an average transfer rate of 158.5 MB/s which is rather slow for an SSD. The SSDs installed in other Aspire S3-391 configurations should be considerably faster and provide a boost to the overall ultrabook impression. Whether it is worthwhile to choose the Aspire S3-391’s top configuration which includes a Core i7 processor is questionable. The top-of-the-line configuration requires an additional few hundred Euro (~$250) for the slightest of performance gains.

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Under Review: Acer Aspire S3-391-53314G52add
Under Review: Acer Aspire S3-391-53314G52add


Acer Aspire S3-391-53314G52add (Aspire S3 Series)
Intel Core i5-3317U 2 x 1.7 - 2.6 GHz, Ivy Bridge
Graphics adapter
Intel HD Graphics 4000, Core: 1100 MHz, Memory: 800 MHz,
4 GB 
, DDR3
13.30 inch 16:9, 1366 x 768 pixel, AU Optronics B133XW01 V2, TN LED, glossy: yes
Intel HM77 (Panther Point)
Hitachi Travelstar Z5K500 HTS545050A7E380 + 20 GB SSD Cache, 500 GB 
, 5400 rpm, + SSD cache (20 GB)
Intel Panther Point PCH - High Definition Audio Controller
2 USB 3.0 / 3.1 Gen1, 1 HDMI, 1 Kensington Lock, Audio Connections: combo audio jack, Card Reader: SD, MMC
Atheros AR5BWB222 Wireless Network Adapter (b/g/n = Wi-Fi 4/), Bluetooth 4.0
height x width x depth (in mm): 17.5 x 323 x 219 ( = 0.69 x 12.72 x 8.62 in)
36 Wh Lithium-Ion
Operating System
Microsoft Windows 7 Home Premium 64 Bit
Webcam: 1.3 Megapixel
Additional features
Speakers: stereo, Keyboard: chiclet, Keyboard Light: no, McAfee Internet Security Suite (60 day trial version), Microsoft Office 2010 Starter, Windows Live Essentials 2011, Skype, Cyberlink Mediaespresso, 24 Months Warranty
1.36 kg ( = 47.97 oz / 3 pounds), Power Supply: 219.2 g ( = 7.73 oz / 0.48 pounds)
799 Euro


A 1.3-megapixel webcam is built into the display bezel.
A 1.3-megapixel webcam is built into the display bezel.
...and supplies a maximum of 65 Watts.
...and supplies a maximum of 65 Watts.
The PSU weighs just under 220 grams (0.49 pounds)...
The PSU weighs just under 220 grams (0.49 pounds)...
A very slim device.
A very slim device.
The arrow keys are a bit small due to space constraints.
The arrow keys are a bit small due to space constraints.
The battery capacity is 36.4 Wh.
The battery capacity is 36.4 Wh.
We see the conventional hard disk on the left and the SSD on the right. Both storage devices can be exchanged.
We see the conventional hard disk on the left and the SSD on the right. Both storage devices can be exchanged.
It is possible to clean the fan.
It is possible to clean the fan.
The case's underside can be removed easily.
The case's underside can be removed easily.
The power button is in an unusual place.
The power button is in an unusual place.
The keystroke is short.
The keystroke is short.
The device looks good.
The device looks good.
Via system recovery, the ultrabook can be restored to its default settings.
Via system recovery, the ultrabook can be restored to its default settings.

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  • Manufacturer's information

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+Slim, thin, lightweight, handy case
+Two USB 3.0 ports
+The innards are easily accessible
+Two year warranty


-The hard disk slows down the system
-The maximum computing power is not permanently available during full load


What we liked

The thin, slim ultrabook looks good. The necessary interfaces and ports are installed despite the low build.

What we would like to see

A solid state drive as the main storage device. The more expensive Aspire S3-391 models feature such a solution.

What surprises us

The system hitches despite the SSD cache.

The competition

The competition includes the previous model - Acer Aspire S3-951-6646, Lenovo IdeaPad U310, Fujitsu LifeBook UH572, Sony Vaio SVT1311M1ES, Toshiba Satellite L830-10G, Samsung 530U3C-A01US, Sony Vaio SV-T13112FXS, Asus UX32A-DB31, Samsung 530U3C-A01DE.


Acer Aspire S3-391-53314G52add - 09/06/2012 v3(old)
Sascha Mölck

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Sascha Mölck, 2012-09-10 (Update: 2020-06-11)