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AMD Radeon HD 7640G vs AMD Radeon HD 7420G

AMD Radeon HD 7640G

► remove from comparison

The AMD Radeon HD 7640G or HD7640G is a processor graphics card in the Trinity APUs from AMD. It is the second fastest version and is featured only in the A8 series. It is based on the VLIW4 architecture of the Radeon HD 6900 series desktop graphics card and doesn't 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 in the mid range of HD 6000M series cards similar or slower than the AMD Radeon HD 6630M (see for benchmarks). Therefore, the graphics card is a bit faster than the Intel HD Graphics 4000 in Ivy Bridge CPUs.

The APU is still manufactured in 32nm and as most A8 series parts should be classified with a 35 Watt TDP, the HD 7640G is best suited for laptops of 13-14-inch an up.

AMD Radeon HD 7420G

► remove from comparison

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.

AMD Radeon HD 7640GAMD Radeon HD 7420G
ManufacturerAMDAMD
Radeon HD 7000G Series
Radeon HD 7660G compare 384 @ 0.5 - 0.69 GHz
Radeon HD 7620G compare 384 @ 0.36 - 0.5 GHz
Radeon HD 7640G 256 @ 0.5 - 0.69 GHz
Radeon HD 7600G compare 384 @ 0.32 - 0.42 GHz
Radeon HD 7500G compare 256 @ 0.33 - 0.42 GHz
Radeon HD 7520G compare 192 @ 0.5 - 0.69 GHz
Radeon HD 7420G 128 @ 0.48 - 0.66 GHz
Radeon HD 7400G compare 192 @ 0.33 - 0.42 GHz
Radeon HD 7660G compare 384 @ 0.5 - 0.69 GHz
Radeon HD 7620G compare 384 @ 0.36 - 0.5 GHz
Radeon HD 7640G 256 @ 0.5 - 0.69 GHz
Radeon HD 7600G compare 384 @ 0.32 - 0.42 GHz
Radeon HD 7500G compare 256 @ 0.33 - 0.42 GHz
Radeon HD 7520G compare 192 @ 0.5 - 0.69 GHz
Radeon HD 7420G 128 @ 0.48 - 0.66 GHz
Radeon HD 7400G compare 192 @ 0.33 - 0.42 GHz
CodenameTrinityTrinity
ArchitectureTerascale 3Terascale 3
Pipelines256 - unified128 - unified
Core Speed497 - 686 (Boost) MHz480 - 655 (Boost) MHz
Shared Memoryyesyes
DirectXDirectX 11, Shader 5.0DirectX 11, Shader 5.0
technology32 nm32 nm
Notebook Sizemedium sizedmedium sized
Date of Announcement15.05.2012 01.06.2012
CPU in Radeon HD 7640GGPU Base SpeedGPU Boost / Turbo
AMD A8-4500M4 x 1900 MHz, 35 W496 MHz685 MHz
AMD A8-4557M4 x 1900 MHz, 35 W497 MHz655 MHz
min. - max.496 - 497 MHz655 - 685 MHz
CPU in Radeon HD 7420GGPU Base SpeedGPU Boost / Turbo
AMD A4-4300M2 x 2500 MHz, 35 W480 MHz655 MHz

Benchmarks

Performance Rating - 3DMark 11 + Fire Strike + Time Spy - Radeon HD 7420G
2.8 pt (3%)
3DMark - 3DMark Cloud Gate Score
1963 Points (3%)
3DMark - 3DMark Cloud Gate Graphics
2717 Points (1%)
3DMark - 3DMark Fire Strike Standard Score
332 Points (1%)
3DMark - 3DMark Fire Strike Standard Graphics
343 Points (1%)
3DMark - 3DMark Ice Storm Graphics
32636 Points (4%)
3DMark 11 - 3DM11 Performance Score
min: 680     avg: 704     median: 704 (2%)     max: 728 Points
3DMark 11 - 3DM11 Performance GPU
min: 651     avg: 656     median: 655.5 (1%)     max: 660 Points
453 Points (1%)
3DMark Vantage
3DM Vant. Perf. total + AMD Radeon HD 7640G
3DMark Vantage - 3DM Vant. Perf. total
min: 2592     avg: 2599     median: 2599 (3%)     max: 2606 Points
3DM Vant. Perf. total + AMD Radeon HD 7420G
3DM Vant. Perf. GPU no PhysX + AMD Radeon HD 7640G
3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
min: 2212     avg: 2222     median: 2221.5 (2%)     max: 2231 Points
3DM Vant. Perf. GPU no PhysX + AMD Radeon HD 7420G
1484 Points (1%)
3DMark 2001SE - 3DMark 2001 - Standard
18117 Points (19%)
3DMark 03 - 3DMark 03 - Standard
min: 12496     avg: 12523     median: 12523 (7%)     max: 12550 Points
10934 Points (6%)
3DMark 05 - 3DMark 05 - Standard
min: 7655     avg: 7781     median: 7781 (11%)     max: 7907 Points
3DMark 06 3DMark 06 - Standard 1280x1024 + AMD Radeon HD 7640G
3DMark 06
min: 4138     avg: 4173     median: 4173 (8%)     max: 4208 Points
3DMark 06 - Standard 1280x1024 + AMD Radeon HD 7420G
min: 3476     avg: 3751     median: 3751 (7%)     max: 4026 Points
Unigine Heaven 2.1 - Heaven 2.1 high
5.1 fps (1%)
Windows 7 Experience Index - Win7 Gaming graphics
6.1 Points (77%)
6 Points (76%)
Windows 7 Experience Index - Win7 Graphics
min: 4.9     avg: 5.3     median: 5.3 (66%)     max: 5.6 Points
4.9 Points (62%)
Cinebench R10 Cinebench R10 Shading (32bit) + AMD Radeon HD 7640G
Cinebench R10 - Cinebench R10 Shading (32bit)
min: 4460     avg: 4490     median: 4489.5 (21%)     max: 4519
Cinebench R10 Shading (32bit) + AMD Radeon HD 7420G
min: 3769     avg: 4220     median: 4220 (20%)     max: 4671
Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit + AMD Radeon HD 7640G
Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 16.82     avg: 17.2     median: 17.2 (7%)     max: 17.48 fps
Cinebench R11.5 OpenGL 64 Bit + AMD Radeon HD 7420G
min: 13.35     avg: 13.9     median: 13.9 (6%)     max: 14.45 fps
Cinebench R15
Cinebench R15 OpenGL 64 Bit + AMD Radeon HD 7420G
Cinebench R15 - Cinebench R15 OpenGL 64 Bit
13.1 fps (4%)
Cinebench R15 OpenGL Ref. Match 64 Bit + AMD Radeon HD 7420G
Cinebench R15 - Cinebench R15 OpenGL Ref. Match 64 Bit
98 % (98%)
LuxMark v2.0 64Bit - LuxMark v2.0 Room GPU
35 Samples/s (0%)
LuxMark v2.0 64Bit - LuxMark v2.0 Sala GPU
67 Samples/s (0%)
ComputeMark v2.1 - ComputeMark v2.1 Result
332 (1%)

Average Benchmarks AMD Radeon HD 7640G → 100% n=10

Average Benchmarks AMD Radeon HD 7420G → 82% n=10

- 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.

Dirt 4

Dirt 4

2017
low 1280x720
Radeon HD 7420G:
15.5  fps
low 1280x720
Radeon HD 7420G:
42.4  fps
med. 1366x768
Radeon HD 7420G:
26.6  fps
low 1366x768
Radeon HD 7420G:
26.1  fps
med. 1366x768
Radeon HD 7420G:
18  fps
low 1024x768
Radeon HD 7420G:
23.3  fps
med. 1366x768
Radeon HD 7420G:
18.3  fps
low 1280x720
Radeon HD 7420G:
33.8  fps
med. 1366x768
Radeon HD 7420G:
17.3  fps
low 1024x768
Radeon HD 7420G:
38.6  fps
med. 1366x768
Radeon HD 7420G:
14.6  fps
low 1024x768
Radeon HD 7420G:
9.5  fps
med. 1366x768
Radeon HD 7420G:
8.6  fps
Sims 4

Sims 4

2014
low 1024x768
Radeon HD 7420G:
88.7  fps
med. 1366x768
Radeon HD 7420G:
19.7  fps
F1 2013

F1 2013

2013
low 1024x768
Radeon HD 7420G:
18  fps
med. 1366x768
Radeon HD 7420G:
15  fps
low 1024x768
Radeon HD 7420G:
23.3  fps
med. 1366x768
Radeon HD 7420G:
16.6  fps
low 1280x720
Radeon HD 7420G:
11.7  fps
low 1024x768
Radeon HD 7420G:
8.2  fps
GRID 2

GRID 2

2013
low 1024x768
Radeon HD 7420G:
28.9  fps
med. 1366x768
Radeon HD 7420G:
17.2  fps
low 1024x768
Radeon HD 7420G:
10.3  fps
low 1280x720
Radeon HD 7420G:
26.1  fps
med. 1366x768
Radeon HD 7420G:
13  fps
low 1024x768
Radeon HD 7420G:
91.5  fps
med. 1366x768
Radeon HD 7420G:
28.2  fps
high 1366x768
Radeon HD 7420G:
14.9  fps
low 1024x768
Radeon HD 7420G:
28.7  fps
med. 1366x768
Radeon HD 7420G:
14.9  fps
low 1024x768
Radeon HD 7420G:
49.6  fps
med. 1366x768
Radeon HD 7420G:
18.4  fps
Far Cry 3

Far Cry 3

2012
low 1024x768
Radeon HD 7420G:
14  fps
med. 1366x768
Radeon HD 7420G:
11  fps
high 1366x768
Radeon HD 7420G:
10  fps
med. 1366x768
Radeon HD 7420G:
10  fps
high 1366x768
Radeon HD 7420G:
8.5  fps
low 1024x768
Radeon HD 7420G:
12  fps
med. 1366x768
Radeon HD 7420G:
10  fps
high 1366x768
Radeon HD 7420G:
4  fps
low 1024x768
Radeon HD 7420G:
14  fps
med. 1366x768
Radeon HD 7420G:
12  fps
high 1366x768
Radeon HD 7420G:
9  fps
Fifa 13

Fifa 13

2012
low 1024x768
Radeon HD 7420G:
82  fps
med. 1366x768
Radeon HD 7420G:
54  fps
high 1366x768
Radeon HD 7420G:
34  fps
F1 2012

F1 2012

2012
low 1024x768
Radeon HD 7420G:
19  fps
med. 1366x768
Radeon HD 7420G:
18  fps
high 1366x768
Radeon HD 7420G:
15  fps
low 1024x768
Radeon HD 7420G:
24  fps
med. 1366x768
Radeon HD 7420G:
18  fps
high 1366x768
Radeon HD 7420G:
11  fps
low 1024x768
Radeon HD 7420G:
52  fps
med. 1366x768
Radeon HD 7420G:
39  fps
high 1366x768
Radeon HD 7420G:
31  fps
med. 1366x768
Radeon HD 7420G:
22  fps
low 1024x768
Radeon HD 7420G:
11  fps
med. 1366x768
Radeon HD 7420G:
6  fps
high 1366x768
Radeon HD 7420G:
3  fps
low 1024x768
Radeon HD 7420G:
12  fps
med. 1366x768
Radeon HD 7420G:
11  fps
high 1366x768
Radeon HD 7420G:
8  fps
low 1024x768
100%
Radeon HD 7640G:
30.2  fps
low 1024x768
100%
Radeon HD 7640G:
42.7  fps
96%
Radeon HD 7420G:
39.7 42 ~ 41 fps
med. 1366x768
Radeon HD 7420G:
24 26.4 ~ 25 fps
high 1366x768
Radeon HD 7420G:
13 21.4 ~ 17 fps
ultra 1920x1080
100%
Radeon HD 7640G:
9.5  fps
low 1024x768
Radeon HD 7420G:
16  fps
med. 1366x768
Radeon HD 7420G:
10  fps
high 1366x768
Radeon HD 7420G:
8  fps
low 1280x720
Radeon HD 7420G:
21  fps
high 1366x768
Radeon HD 7420G:
16  fps
Alan Wake

Alan Wake

2012
low 1024x768
Radeon HD 7420G:
16  fps
med. 1366x768
Radeon HD 7420G:
10  fps
Anno 2070

Anno 2070

2011
low 1024x768
100%
Radeon HD 7640G:
44.3  fps
95%
Radeon HD 7420G:
39.9 45 ~ 42 fps
med. 1366x768
Radeon HD 7420G:
15.8 17 ~ 16 fps
high 1366x768
Radeon HD 7420G:
12  fps
low 1280x720
100%
Radeon HD 7640G:
28.4  fps
85%
Radeon HD 7420G:
22.3 25 ~ 24 fps
med. 1366x768
100%
Radeon HD 7640G:
16.7  fps
90%
Radeon HD 7420G:
14.3 16 ~ 15 fps
high 1366x768
100%
Radeon HD 7640G:
11.6  fps
95%
Radeon HD 7420G:
10 11 ~ 11 fps
low 1024x768
Radeon HD 7420G:
16  fps
med. 1366x768
Radeon HD 7420G:
11  fps
high 1366x768
Radeon HD 7420G:
7  fps
Fifa 12

Fifa 12

2011
low 800x600
100%
Radeon HD 7640G:
124.1  fps
med. 1024x768
100%
Radeon HD 7640G:
76  fps
F1 2011

F1 2011

2011
low 800x600
100%
Radeon HD 7640G:
45  fps
med. 1024x768
100%
Radeon HD 7640G:
29  fps
low 1024x768
100%
Radeon HD 7640G:
45.5 47.5 ~ 47 fps
89%
Radeon HD 7420G:
42  fps
high 1366x768
100%
Radeon HD 7640G:
21.1  fps
71%
Radeon HD 7420G:
15  fps
Dirt 3

Dirt 3

2011
low 800x600
100%
Radeon HD 7640G:
65.3  fps
med. 1024x768
100%
Radeon HD 7640G:
33.5  fps
Total War: Shogun 2

Total War: Shogun 2

2011
low 1024x768
Radeon HD 7420G:
55  fps
med. 1280x720
Radeon HD 7420G:
12  fps
low 800x600
Radeon HD 7420G:
31  fps
med. 1024x768
Radeon HD 7420G:
23  fps
low 1024x768
100%
Radeon HD 7640G:
109.1  fps
92%
Radeon HD 7420G:
100  fps
med. 1360x768
100%
Radeon HD 7640G:
23  fps
95%
Radeon HD 7420G:
22  fps
high 1360x768
100%
Radeon HD 7640G:
15  fps
114%
Radeon HD 7420G:
17  fps
low 800x600
Radeon HD 7420G:
27  fps
med. 1360x768
Radeon HD 7420G:
16  fps
low 1024x768
Radeon HD 7420G:
32  fps
med. 1366x768
Radeon HD 7420G:
25  fps
high 1366x768
Radeon HD 7420G:
16  fps
Crysis - GPU Benchmark

Crysis - GPU Benchmark

2007
low 1024x768
Radeon HD 7420G:
35  fps
med. 1024x768
Radeon HD 7420G:
15  fps
Crysis - CPU Benchmark

Crysis - CPU Benchmark

2007
low 1024x768
Radeon HD 7420G:
21  fps
med. 1024x768
Radeon HD 7420G:
13  fps

Average Gaming AMD Radeon HD 7640G → 100%

Average Gaming 30-70 fps → 100%

Average Gaming AMD Radeon HD 7420G → 92%

Average Gaming 30-70 fps → 93%

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: 2017-09-11)