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.


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.


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.


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 (compare)2450 MHz4 / 4
Qualcomm Snapdragon 801 APQ8074AB (compare)2360 MHz4 / 4
» Qualcomm Snapdragon 801 MSM8974AB2360 MHz4 / 4
Qualcomm Snapdragon 801 MSM8974AA (compare)2260 MHz4 / 4
Qualcomm Snapdragon 800 MSM8974 (compare)2300 MHz4 / 4
Clock Rate2360 MHz
Level 1 Cache4x 32 KB
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)
Announcement Date06/19/2013


3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
min: 4835     avg: 11759.3     median: 12722 (15%)     max: 15872 Points
Geekbench 3 - 32 Bit Multi-Core Score
min: 2460     avg: 2631.8     median: 2619 (3%)     max: 2785 Points
Geekbench 3 - 32 Bit Single-Core Score
min: 787     avg: 898.4     median: 919 (19%)     max: 957 Points
Linpack Android / IOS - Multi Thread
min: 570     avg: 744.6     median: 759 (26%)     max: 978 MFLOPS
Linpack Android / IOS - Single Thread
min: 64     avg: 277.4     median: 299 (29%)     max: 389 MFLOPS
Mozilla Kraken 1.1 - Total Score *
min: 6932     avg: 9767.3     median: 8990 (15%)     max: 15700 ms
Sunspider - 1.0 Total Score *
min: 515     avg: 785.8     median: 772 (8%)     max: 1106 ms
Octane V2 - Total Score
min: 2407     avg: 3637.9     median: 3131 (6%)     max: 4950 Points
PassMark PerformanceTest Mobile V1 - CPU Tests
min: 16857     avg: 17428     median: 17428 (2%)     max: 17999 Points
PCMark for Android - Work performance score
min: 3680     avg: 3910.3     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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