AMD Radeon HD 7420G
The AMD Radeon HD 7420G or HD7420G is a processor graphics card in the Trinity APUs from AMD (A4-4300M). It is a low-range version with a reduced shader count / clock speed and will be featured in the A4 series. It should be based on the VLIW4 architecture of the Radeon HD 6900 series desktop graphics card and most likely wont offer a dedicated graphics memory.
Trinity got its name due to the fact that it consists out of three different architecture parts. The CPU cores are based on the Piledriver architecture (Bulldozer successor), the GPU cores on Northern Islands GPU cores (HD 6900 desktop series) and the video processing engine and multi-display connectivity from the new Southern Islands GPU architecture (HD 7900 series).
The integrated UVD3 video decoder (Avivo HD) allows the full decoding of Multi-View Codec (MVC), MPEG-4 Part 2 (DivX, xVid), MPEG-4 AVC/H.264 and Adobe Flash HD videos.
The performance is somewhat below the Llano-based HD 6620G or in range of slower versions of the HD Graphics 4000. Most modern games of 2013/2014 won't run fluently even in (very) low settings; however, older and less demanding games can be played smoothly.
The APU is still manufactured in 32nm and as most A4 series parts should be classified with a 35 Watt TDP, the HD 7420G is best suited for laptops of 13-14-inch an up.
| Manufacturer | AMD |
| Radeon HD 7000G Series | |
| Codename | Trinity |
| Architecture | Terascale 3 |
| Pipelines | 128 - unified |
| Core Speed | 480 - 655 (Boost) MHz |
| Shared Memory | yes |
| DirectX | DirectX 11, Shader 5.0 |
| technology | 32 nm |
| Notebook Size | medium sized |
| Date of Announcement | 01.06.2012 |
| CPU | GPU Base Speed | GPU Boost / Turbo |
|---|
| AMD A4-4300M | 2 x 2500 MHz, 35 W | 480 MHz | 655 MHz |
Benchmarks
3DMark - Cloud Gate Standard Score 1280x720
1963 Points (3%)
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AMD Radeon HD 7420G
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3DMark - Cloud Gate Standard Graphics 1280x720
2717 Points (1%)
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AMD Radeon HD 7420G
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3DMark - Fire Strike Score 1920x1080
332 Points (1%)
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AMD Radeon HD 7420G
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3DMark - Fire Strike Graphics 1920x1080
343 Points (1%)
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AMD Radeon HD 7420G
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3DMark - Ice Storm Standard Graphics 1280x720
32636 Points (4%)
AMD Radeon HD 7420G
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3DMark 11 - Performance 1280x720
501 points (1%)
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AMD Radeon HD 7420G
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3DMark 11 - Performance GPU 1280x720
453 points (1%)
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AMD Radeon HD 7420G
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3DMark Vantage
P Result 1280x1024 +3DMark Vantage - P Result 1280x1024
1718 Points (2%)
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AMD Radeon HD 7420G
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P GPU no PhysX 1280x1024 +3DMark Vantage - P GPU no PhysX 1280x1024
1484 Points (2%)
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AMD Radeon HD 7420G
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3DMark 03 - Standard 1024x768
10934 Points (6%)
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AMD Radeon HD 7420G
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3DMark 06 Standard 1280x1024 +min: 3476 avg: 3751 median: 3751 (8%) max: 4026 Points
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AMD Radeon HD 7420G
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Windows 7 Experience Index - Gaming graphics
6 points (86%)
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Windows 7 Experience Index - Graphics
4.9 points (70%)
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Cinebench R10 Shading 32Bit +Cinebench R10 - Shading 32Bit
min: 3769 avg: 4220 median: 4220 (21%) max: 4671 Points
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Cinebench R11.5 OpenGL 64Bit +Cinebench R11.5 - OpenGL 64Bit
min: 13 avg: 13.9 median: 13 (8%) max: 14 Points
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Cinebench R15
OpenGL 64Bit +Cinebench R15 - OpenGL 64Bit
13.1 Points (5%)
AMD Radeon HD 7420G
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Ref. Match 64Bit +Cinebench R15 - Ref. Match 64Bit
98 Points (98%)
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LuxMark v2.0 64Bit - Room GPUs-only
35 Samples/s (1%)
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AMD Radeon HD 7420G
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LuxMark v2.0 64Bit - Sala GPUs-only
67 Samples/s (1%)
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AMD Radeon HD 7420G
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ComputeMark v2.1 - Normal, Score 1024x600
332 Points (1%)
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AMD Radeon HD 7420G
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
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.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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NVIDIA GeForce GTX 1660 Super (Desktop) 1586%
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NVIDIA GeForce GTX 1660 Super (Desktop) 2685%
» The benchmarks indicate that the game is not playable in the tested settings.
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