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PowerVR GXA6850 vs Qualcomm Adreno 509

PowerVR GXA6850

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The Imagination Technologies PowerVR GXA6850 is a fast mobile graphics solution (mainly) for tablets, which can be found in ARM SoCs such as the Apple A8X (iPad Air 2). The chip is available since Q3/2014 and of one of the fastest solutions in its class at the time of introduction.

Architecture and Performance

In contrast to previous speculations, the A8X integrates an 8-cluster PowerVR Series 6 (Rogue) GXA6850 consisting of two GX6450 GPUs (2x 4 clusters) instead of a single GX6650 (6 clusters). The name GXA6850 has been created by Anandtech, the design may also be called a GX6450MP2.

Each cluster offers four FP16 and two FP32 ALUs, leading to a compute power of about 230 GFLOPS FP32 at 450 MHz (clock rate estimated). The GXA6850 does not only beat the Qualcomm Adreno 420 (Snapdragon 805), but also the Nvidia Tegra K1 by a small margin. Thus, the GXA6850 is one of the fastest tablet GPUs as of 2014 and can handle even the most demanding mobile games in high resolutions. Among others, the GPU supports OpenGL 3.x/4.x, OpenGL ES 3.0 as well as DirectX 10.

Power Consumption

Thanks to the advanced 20-nanometer process and the relatively low clock rate, the GXA6850 implementation in Apple's A8X offers a very high energy efficiency. On the other hand, the GPU has a comparatively "wide" architecture requirering a lot of transistors and die size (about 38 mm² in 20 nm).

Qualcomm Adreno 509

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The Qualcomm Adreno 509 is a mobile graphics card for mid-range smartphones and tablets (mostly Android based). It is included in the lower end Qualcomm Snapdragon 636 SoCs and based on the Adreno 500 architecture (like the Adreno 520 in the S820, which should be fully compatible in software).

The GPU supports modern standards like Vulkan 1.0 (according to Wikipedia), OpenGL ES 3.1 + AE (3.2 in other sources), OpenCL 2.0 and DirectX 12 (FL 12.1 according to Wikipedia, 11.1 according to Qualcomm). Furthermore, the GPU supports Universal Bandwidth Compression (UBWC) to save memory bandwidth.

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PowerVR GXA6850Qualcomm Adreno 509
Adreno 500 Series
PowerVR GXA6850 256 @ 0.45 GHz128 Bit
PowerVR GX6450 compare 128 @ 0.45 GHz64 Bit
PowerVR GX6250 compare 64 @ 0.7 GHz64 Bit
Adreno 540 compare @ 0.71 GHz
Adreno 530 compare @ 0.62 GHz
Adreno 512 compare
Adreno 510 compare
Adreno 509
Adreno 508 compare @ 0.65 GHz
Adreno 506 compare @ 0.65 GHz
Adreno 505 compare @ 0.45 GHz
Adreno 504 compare @ 0.45 GHz
CodenameRogue
ArchitecturePowerVR RogueAdreno 500
Pipelines256 - unified
Core Speed450 (?) MHz
Memory Bus Width128 Bit
Shared Memorynoyes
APIDirectX 10, OpenGL 3.x, 4.x, OpenGL ES 3.0DirectX 12.1, OpenGL ES 3.2, Vulkan
technology20 nm14 nm
FeaturesOpenGL 3.x, 4.x, OpenGL ES 3.0OpenGL ES 3.2, OpenCL 2.0, Direct3D 12 (FL 12_1)
Date of Announcement09.09.2014 08.05.2017
Link to Manufacturer Pagewww.imgtec.com
CPU in Adreno 509GPU Base SpeedGPU Boost / Turbo
Qualcomm Snapdragon 6368 x 1800 MHz? MHz? MHz

Benchmarks

3DMark - 3DMark Ice Storm Unlimited Graphics
31542 Points (4%)
min: 20610     avg: 20839     median: 20836 (2%)     max: 21067 Points
3DMark - 3DMark Sling Shot (ES 3.0) Unlimited
2651 Points (12%)
min: 1525     avg: 1541     median: 1540 (7%)     max: 1568 Points
3DMark - 3DMark Sling Shot (ES 3.0) Unlimited Graphics
3474 Points (8%)
min: 1358     avg: 1395     median: 1400 (3%)     max: 1406 Points
3DMark - 3DMark Sling Shot Extreme (ES 3.1) Unlimited
2059 Points (10%)
min: 765     avg: 980     median: 1008 (5%)     max: 1016 Points
3DMark - 3DMark Sling Shot Extreme (ES 3.1) Unlimited Graphics
2377 Points (7%)
min: 645     avg: 841     median: 865 (3%)     max: 872 Points
GFXBench - GFXBench 5.0 Aztec Ruins High Tier Offscreen
5.3 fps (1%)
min: 2.2     avg: 2.4     median: 2.2 (0%)     max: 3.5 fps
GFXBench - GFXBench 5.0 Aztec Ruins Normal Tier Offscreen
14.2 fps (1%)
min: 5.4     avg: 5.9     median: 6 (0%)     max: 6.1 fps
GFXBench - GFXBench Car Chase Offscreen
6.3 fps (1%)
GFXBench 3.1 - GFXBench Manhattan ES 3.1 Offscreen
17.9 fps (0%)
min: 6.3     avg: 9.7     median: 10 (0%)     max: 10 fps
GFXBench 3.0 - GFXBench 3.0 Manhattan Offscreen
min: 32.4     avg: 35     median: 35 (2%)     max: 37.6 fps
16 fps (1%)
GFXBench (DX / GLBenchmark) 2.7
GFXBench T-Rex HD Offscreen C24Z16 + PowerVR GXA6850
GFXBench (DX / GLBenchmark) 2.7 - GFXBench T-Rex HD Offscreen C24Z16
min: 70.4     avg: 70.4     median: 70.4 (1%)     max: 70.5 fps
GFXBench T-Rex HD Offscreen C24Z16 + Qualcomm Adreno 509
min: 35     avg: 35.6     median: 36 (0%)     max: 36 fps
Basemark X 1.1 - Basemark X 1.1 High Quality
29502 Points (67%)
Basemark X 1.1 - Basemark X 1.1 Medium Quality
41488 Points (92%)
PassMark PerformanceTest Mobile V1 - PerformanceTest Mobile V1 2D Graphics Tests
2956 Points (3%)
min: 5536     avg: 5562     median: 5561.5 (6%)     max: 5587 Points
PassMark PerformanceTest Mobile V1 - PerformanceTest Mobile V1 3D Graphics Tests
1160 Points (2%)
min: 1582     avg: 1740     median: 1740 (3%)     max: 1898 Points

Average Benchmarks PowerVR GXA6850 → 100% n=12

Average Benchmarks Qualcomm Adreno 509 → 69% n=12

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

Game Benchmarks

The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.

PUBG Mobile

PUBG Mobile

2018
low
Adreno 509:
25 25 26 30 ~ 27 fps
med.
Adreno 509:
25 25 ~ 25 fps
high
Adreno 509:
30  fps
Arena of Valor

Arena of Valor

2018
low
Adreno 509:
31 31 31 32 59 ~ 37 fps
ultra
Adreno 509:
30 31 31 31 31 59 ~ 36 fps
Shadow Fight 3

Shadow Fight 3

2018
low
Adreno 509:
57 59 ~ 58 fps
high
Adreno 509:
58  fps
Dead Trigger 2

Dead Trigger 2

2013
high
Adreno 509:
30 60 ~ 45 fps
Asphalt 8: Airborne

Asphalt 8: Airborne

2013
high
Adreno 509:
30  fps
Asphalt 9: Legends

Asphalt 9: Legends

2013
low
Adreno 509:
28 28 30 30 ~ 29 fps
high
Adreno 509:
28 30 30 ~ 29 fps
Qualcomm Adreno 509lowmed.highultraQHD4K
PUBG Mobile272530
Arena of Valor3736
Shadow Fight 35858
Dead Trigger 245
Asphalt 8: Airborne30
Asphalt 9: Legends2929
< 30 fps
< 60 fps
< 120 fps
≥ 120 fps		2
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For more games that might be playable and a list of all games and graphics cards visit our Gaming List

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Redaktion, 2017-09- 8 (Update: 2023-07- 1)