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Qualcomm Snapdragon 801 MSM8974AC

Qualcomm 801 MSM8974AC

The Qualcomm Snapdragon 801 MSM8974AC is an ARM-based SoC for tablets and smartphonesIt is built at TSMC in a 28nm HPM (High Performance Mobile) HKMG process and includes 4 Krait 400 cores at up to 2.45 GHz and a Adreno 330 at up to 578 MHz. Compared to the Snapdragon 800 chips like the MS8974AB, the 801 offers a higher clock rate for GPU and CPU and support for eMMC 5.0.

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 801 have been tweaked just slightly with faster L2 cache. Thanks to a clock rate of up to 2.45 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 in the beginning of 2014 (till the Snapdragon 805 arrives).

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 and S801 features the faster Adreno 330 (MSM8974AC: 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 comparable to 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 MSM8974AC 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. Futhermore the Snapdragon S801 supports Dual SIM Dual Active (DSDA) as the Snapdragon S800 MSM8974AB.

The MSM8974AC 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 MSM8974AC will likely need a little more power than the slightly lower clocked MSM8974.

SeriesQualcomm Snapdragon
CodenameKrait 400

Series: Snapdragon Krait 400

Qualcomm Snapdragon 801 MSM8974AC « 2.45 GHz4 / 4 cores Krait 400
Qualcomm Snapdragon 801 APQ8074AB compare2.36 GHz4 / 4 cores Krait 400
Qualcomm Snapdragon 801 MSM8974AB compare2.36 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 Rate2450 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)
ArchitectureARM
Announcement Date06/19/2013

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Reviews for the Qualcomm Snapdragon 801 MSM8974AC processor

OnePlus One Smartphone Review

OnePlus One Smartphone Review

Globetrotter. OnePlus offers a great smartphone with a fantastic performance-price ratio in its firstling. A fast SoC, a high-resolution screen, plenty of stora...
Qualcomm Snapdragon 801 MSM8974AC | Qualcomm Adreno 330 | 5.50" | 164 g
Sony Xperia Z3 Tablet Compact Review

Sony Xperia Z3 Tablet Compact Review

Model child. Sony's Xperia Z3 Tablet Compact has an 8-inch display that captivates with its high contrast and high resolution. A fast SoC in combination with An...
Qualcomm Snapdragon 801 MSM8974AC | Qualcomm Adreno 330 | 8.00" | 271 g
HTC One E8 Smartphone Review

HTC One E8 Smartphone Review

Now in plastic as well. The One M8 was a very successful high-end device for HTC. Now, the Android device with a curved metal chassis is also available with a p...
Qualcomm Snapdragon 801 MSM8974AC | Qualcomm Adreno 330 | 5.00" | 145 g
Motorola Moto X (2014) Smartphone Review

Motorola Moto X (2014) Smartphone Review

Always an open ear. Motorola treats its flagship to an upgrade while maintaining the tried virtues. Speech control has been advanced even further. Besides that,...
Qualcomm Snapdragon 801 MSM8974AC | Qualcomm Adreno 330 | 5.20" | 145 g
Sony Xperia Z3 Compact Smartphone Review

Sony Xperia Z3 Compact Smartphone Review

Generational leap. The successor of the Xperia Z1 Compact is called Xperia Z3 Compact – logical, right? Read our review to find out why the small sibling of the...
Qualcomm Snapdragon 801 MSM8974AC | Qualcomm Adreno 330 | 4.60" | 129 g

Sony Xperia Z3: Qualcomm Adreno 330, 5.20", 0.2 kg
  Review » Sony Xperia Z3 Smartphone Review

LG G3: Qualcomm Adreno 330, 5.50", 0.1 kg
  Review » LG G3 Smartphone and LG G Watch Review

Samsung Galaxy S5: Qualcomm Adreno 330, 5.10", 0.1 kg
  Review » Review Samsung Galaxy S5 Smartphone

Xiaomi Mi4: Qualcomm Adreno 330, 0.50", 0.1 kg
  External Review » Xiaomi Mi4

Lenovo ZUK Z1: Qualcomm Adreno 330, 5.50", 0.2 kg
  External Review » Lenovo ZUK Z1

OnePlus One: Qualcomm Adreno 330, 5.50", 0.2 kg
  External Review » OnePlus One

ZTE Grand S3: Qualcomm Adreno 330, 5.50", 0.2 kg
  External Review » ZTE Grand S3

Sony Xperia Z3v: Qualcomm Adreno 330, 5.20", 0.2 kg
  External Review » Sony Xperia Z3v

Motorola Moto X 2. Gen 2014: Qualcomm Adreno 330, 5.20", 0.1 kg
  External Review » Motorola Moto X 2014

Sony Xperia Z3 Tablet Compact: Qualcomm Adreno 330, 8.00", 0.3 kg
  External Review » Sony Xperia Z3 Tablet Compact

Sony Xperia Z3: Qualcomm Adreno 330, 5.20", 0.2 kg
  External Review » Sony Xperia Z3

Sony Xperia Z3 Compact: Qualcomm Adreno 330, 4.60", 0.1 kg
  External Review » Sony Xperia Z3 Compact

HTC One E8: Qualcomm Adreno 330, 5.00", 0.1 kg
  External Review » HTC One E8

Samsung Galaxy S5 Active: Qualcomm Adreno 330, 5.10", 0.2 kg
  External Review » Samsung Galaxy S5 Active

LG G3: Qualcomm Adreno 330, 5.50", 0.1 kg
  External Review » LG G3

Samsung Galaxy S5: Qualcomm Adreno 330, 5.10", 0.1 kg
  External Review » Samsung Galaxy S5

  Article » Face Off: HTC One M8 vs. Samsung Galaxy S5 vs. Sony Xperia Z2

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» Mobile CPU Comparison
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Other CPUs of the series Snapdragon

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Surrounding CPUs

+ Intel Atom Z3735F
   4x 1.33 GHz - 1.83 GHz
+ Intel Atom Z3735G
   4x 1.33 GHz - 1.83 GHz
+ Intel Atom x5-E8000
   4x 1.04 GHz - 2 GHz
+ Qualcomm Snapdragon 630
   8x 2.2 GHz
+ Qualcomm Snapdragon 626
   8x 2.2 GHz
- Samsung Exynos 5430 Octa
   8x 1.8 GHz
- UNISOC SC9863A
   8x 1.2 GHz - 1.6 GHz
- Mediatek Helio P23 MT6763T
   8x 2.3 GHz - 2.5 GHz
- Mediatek MT6595
   8x 2.2 GHz