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Qualcomm Snapdragon 801 MSM8974AB

Qualcomm 801 MSM8974AB

The Qualcomm Snapdragon 801 MSM8974AB is an ARM-based SoC for tablets and smartphonesIt is built at TSMC in a 28nm HPM (High Performance Mobile) HKMG process, whereas the Snapdragon 600 was manufactured in 28nm LP. In addition to 4 CPU cores with a clock speed of up to 2.36 GHz, the chip also integrates an Adreno 330 GPU up to 578 MHz, an LPDDR3-1866 memory controller and various radio modules (UMTS/LTE, WiFi, Bluetooth, GPS). The slightly higher CPU/GPU clocks and faster memory support are the key differences to the Snapdragon 800 MSM8974.

Processor 

The CPU portion is based on Qualcomm's Krait architecture, which is compatible with the ARMv7 ISA. Compared to the Snapdragon 600 (Krait 300), the new Krait 400 cores of the Snapdragon 800/801 have been tweaked just slightly with faster L2 cache. Thanks to a clock rate of up to 2.36 GHz and a high performance per MHz somewhere between an ARM Cortex-A9 and a Cortex-A15, the Snapdragon 801 offers very strong CPU performance. The S801 competes with the Nvidia Tegra 4, Samsung Exynos 5420 and Apple A7 and is therefore one of the fastest ARM SoCs on the market as of 2013.

Graphics

Another difference between the Snapdragon 600 and 800/801 is the graphics unit. While the S600 implements an Adreno 320 (400 to 450 MHz), the S800 /S801 feature the faster Adreno 330 (MSM8974AB: 578 MHz). Both GPUs offer the same amount of texture units (8 TMUs), but the Adreno 330 has 50 percent more shaders (probably 6x SIMD16 vs. 4x SIMD16 of the previous generation)In conjunction with the higher memory bandwidth, the performance is significantly better. As a result, the Adreno 330 is slightly faster than the Mali-T628 (Exynos 5420) and the PowerVR G6430 (Apple A7). Depending on the device and cooling, however, the performance may vary. The GPU supports OpenGL ES 3.0 as well as OpenCL 1.2.

Features 

Furthermore, the MSM8974AB supports many wireless technologies: Bluetooth 4.0, WLAN, IEEE 802.11a/b/g/n/ac (2.4/5 GHz), GSM (GPRS, EDGE), W-CDMA/UMTS (HSDPA, HSUPA, HSPA+, cat.29 DC-HSPA+), MBMS, cat.4 LTE, CDMA2000 (1X RTT, 1 × EV-DO Rel.0/Rev.A/Rev.B, 1× EV-DO Rev.A MC, 1× Adv Rev.A/Rev.B) and TD-SCDMA. 

The MSM8974AB can encode and play UHD 4K videos in 3840x2160 at 30 FPS (120 Mbps H.264 High Profile) simultaneously via dedicated hardware. Moreover, it supports both USB 2.0 and 3.0 and cameras up to 55 megapixels and stereoscopic 3D.

Power Consumption

Thanks to the new 28nm HPM HKMG process, the energy efficiency has been improved significantly compared to its LP 28nm S600 predecessor. Depending on the field of application, the maximum power consumption should be about 3 W for smartphones or 4 W or greater for tablets. This should be similar to comparable ARM SoCs currently in the market. However, the MSM8974AB will likely to need a little more power than the slightly lower clocked MSM8974.

SeriesQualcomm Snapdragon
CodenameKrait 400

Series: Snapdragon Krait 400

Qualcomm Snapdragon 801 MSM8974AC compare2.45 GHz4 / 4 cores Krait 400
Qualcomm Snapdragon 801 APQ8074AB compare2.36 GHz4 / 4 cores Krait 400
Qualcomm Snapdragon 801 MSM8974AB « 2.36 GHz4 / 4 cores Krait 400
Qualcomm Snapdragon 801 MSM8974AA compare2.26 GHz4 / 4 cores Krait 400
Qualcomm Snapdragon 800 MSM8974 compare2.3 GHz4 / 4 cores Krait 400
Clock Rate2360 MHz
Level 1 Cache0 MB
Level 2 Cache2 MB
Number of Cores / Threads4 / 4
Manufacturing Technology28 nm
FeaturesAdreno 330 (578 MHz), LTE cat.4, UMTS, MBMS, GSM, CDMA2000, tD-SCDMA, 802.11a/b/g/n/ac (2.4/5 GHz), Bluetooth 4.0, 2x 32 Bit LPDDR3-1866 Memory Controller (14.9 GB/s)
GPUQualcomm Adreno 330 (578 MHz)
ArchitectureARM
Announcement Date06/19/2013

Benchmarks

PassMark PerformanceTest Mobile V1 - PerformanceTest Mobile V1 CPU Tests
min: 16857     avg: 17428     median: 17428 (2%)     max: 17999 Points
PCMark for Android - PCM f. Android Work Score
min: 3680     avg: 3910     median: 3774 (19%)     max: 4277 Points
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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Reviews for the Qualcomm Snapdragon 801 MSM8974AB processor

Panasonic ToughPad FZ-E1 Handheld Review

Panasonic ToughPad FZ-E1 Handheld Review

Indestructible. The ToughPad FZ-E1 is a member of Panasonic's first Rugged 5-inch Handhelds. The device has been developed primarily for enterprise and industri...
Qualcomm Snapdragon 801 MSM8974AB | Qualcomm Adreno 330 | 5.00" | 426 g
Panasonic Lumix DMC-CM1 Smartcam Review

Panasonic Lumix DMC-CM1 Smartcam Review

Online premium camera. Panasonic's Lumix DMC-CM1 is actually more of a camera with integrated smartphone since the device looks like a compact camera just from ...
Qualcomm Snapdragon 801 MSM8974AB | Qualcomm Adreno 330 | 4.70" | 203 g
BlackBerry Passport Smartphone Review

BlackBerry Passport Smartphone Review

Square, handy, good? BlackBerry doesn't give up the fight and launches an unusual smartphone in the market dubbed Passport. Its hardware keyboard and Android ap...
Qualcomm Snapdragon 801 MSM8974AB | Qualcomm Adreno 330 | 4.50" | 196 g
HTC Desire Eye Smartphone Review

HTC Desire Eye Smartphone Review

Selfie show-off. HTC expands its product line around its One M8 flagship and now has a smartphone with high-performance hardware dubbed Desire EYE. It is primar...
Qualcomm Snapdragon 801 MSM8974AB | Qualcomm Adreno 330 | 5.20" | 152 g
Sony Xperia Z2 Smartphone Review

Sony Xperia Z2 Smartphone Review

The second generation. That was fast. We just reviewed the Sony Xperia Z1 seven months ago – and we already have the successor in our editorial office: the Xper...
Qualcomm Snapdragon 801 MSM8974AB | Qualcomm Adreno 330 | 5.20" | 163 g

HTC One M8: Qualcomm Adreno 330, 5.00", 0.2 kg
  Review » Review HTC One M8 Smartphone

Asus Padfone S PF500KL: Qualcomm Adreno 330, 5.00", 0.2 kg
  External Review » Asus Padfone S PF500KL

Panasonic ToughPad FZ-E1: Qualcomm Adreno 330, 5.00", 0.4 kg
  External Review » Panasonic ToughPad FZ-E1

HTC One M8 Eye: Qualcomm Adreno 330, 5.00", 0.2 kg
  External Review » HTC One M8 Eye

HTC Desire EYE: Qualcomm Adreno 330, 5.20", 0.2 kg
  External Review » HTC Desire EYE

BlackBerry Passport: Qualcomm Adreno 330, 4.50", 0.2 kg
  External Review » BlackBerry Passport

HTC One M8 For Windows: Qualcomm Adreno 330, 5.00", 0.2 kg
  External Review » HTC One M8 For Windows

ZTE Grand S Pro: Qualcomm Adreno 330, 5.00", 0.2 kg
  External Review » ZTE Grand S Pro

HTC One M8: Qualcomm Adreno 330, 5.00", 0.2 kg
  External Review » HTC One M8

Sony Xperia Z2: Qualcomm Adreno 330, 5.20", 0.2 kg
  External Review » Sony Xperia Z2

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» Mobile CPU Comparison
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Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

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Surrounding CPUs

+ UNISOC SC9863A
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+ Mediatek Helio P23 MT6763T
   8x 2.3 GHz - 2.5 GHz
+ Mediatek MT6595
   8x 2.2 GHz
- Nvidia Tegra 4
   4x 1.8 GHz
- Intel Atom Z3680
   2x 1.33 GHz - 2 GHz
- Intel Atom Z3680D
   2x 1.33 GHz - 2 GHz
- Mediatek MT6595M
   8x 2 GHz
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Notebook Processors > Qualcomm Snapdragon 801 MSM8974AB SoC
Klaus Hinum (Update: 2014-05-11)