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AMD Radeon HD 7640G vs AMD Radeon HD 7620G

AMD Radeon HD 7640G

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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 7620G

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The AMD Radeon HD 7620G or HD7620G is a processor graphics card in the Trinity APUs from AMD. It is built into the low voltage 25 Watt  A10 versions (e.g. A10-4655M) and offers all 384 Radeon cores. However, the base and Turbo clock rate was reduced from 497/686 in the 7660G to 360/497 MHz in the 7620G. The architecture 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 (with dual channel memory) is in the mid range of HD 6500M series cards. Most games of 2012/2013 will only run fluently in (very) low settings.

The APU is still manufactured in 32nm and, as the low voltage parts are clasified at 25 Watt, good suited for small laptops (but not ultrathin, as the HD 7500G is intended for these subnotebooks).

AMD Radeon HD 7640GAMD Radeon HD 7620G
ManufacturerAMDAMD
Radeon HD 7000G Series
Radeon HD 7660G compare 384 @ 0.5 - 0.69 GHz
Radeon HD 7620G 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 compare 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 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 compare 128 @ 0.48 - 0.66 GHz
Radeon HD 7400G compare 192 @ 0.33 - 0.42 GHz
CodenameTrinityTrinity
ArchitectureTerascale 3Terascale 3
Pipelines256 - unified384 - unified
Core Speed497 - 686 (Boost) MHz360 - 497 (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 15.05.2012
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 7620GGPU Base SpeedGPU Boost / Turbo
AMD A10-4655M4 x 2000 MHz, 25 W360 MHz497 MHz

Benchmarks

Performance Rating - 3DMark 11 + Fire Strike + Time Spy - Radeon HD 7620G
3.1 pt (3%)
3DMark - 3DMark Cloud Gate Score
3064 Points (4%)
3DMark - 3DMark Cloud Gate Graphics
5378 Points (3%)
3DMark - 3DMark Fire Strike Standard Score
659 Points (2%)
3DMark - 3DMark Fire Strike Standard Graphics
716 Points (1%)
3DMark - 3DMark Ice Storm Graphics
29155 Points (4%)
3DMark 11 - 3DM11 Performance Score
min: 680     avg: 704     median: 704 (2%)     max: 728 Points
1030 Points (2%)
3DMark 11 - 3DM11 Performance GPU
min: 651     avg: 656     median: 655.5 (1%)     max: 660 Points
948 Points (2%)
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 7620G
2399 Points (2%)
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 7620G
2031 Points (2%)
3DMark 2001SE - 3DMark 2001 - Standard
18117 Points (19%)
3DMark 03 - 3DMark 03 - Standard
min: 12496     avg: 12523     median: 12523 (7%)     max: 12550 Points
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 7620G
min: 5218     avg: 5553     median: 5553 (10%)     max: 5888 Points
3DMark 06 - Score Unknown Settings + AMD Radeon HD 7620G
3DMark 06
6247 (12%)
Unigine Heaven 2.1 - Heaven 2.1 high
5.1 fps (1%)
Windows 7 Experience Index - Win7 Gaming graphics
6.1 Points (77%)
Windows 7 Experience Index - Win7 Graphics
min: 4.9     avg: 5.3     median: 5.3 (66%)     max: 5.6 Points
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 7620G
4088 (19%)
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 7620G
22 fps (9%)
ComputeMark v2.1 - ComputeMark v2.1 Result
578 (1%)

Average Benchmarks AMD Radeon HD 7640G → 100% n=7

Average Benchmarks AMD Radeon HD 7620G → 118% n=7

- 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.

SimCity

SimCity

2013
low 1024x768
Radeon HD 7620G:
21  fps
med. 1366x768
Radeon HD 7620G:
15  fps
high 1366x768
Radeon HD 7620G:
12  fps
Fifa 13

Fifa 13

2012
low 1024x768
Radeon HD 7620G:
50  fps
med. 1366x768
Radeon HD 7620G:
41  fps
high 1366x768
Radeon HD 7620G:
40  fps
ultra 1920x1080
Radeon HD 7620G:
37  fps
low 1024x768
100%
Radeon HD 7640G:
30.2  fps
low 1024x768
100%
Radeon HD 7640G:
42.7  fps
ultra 1920x1080
100%
Radeon HD 7640G:
9.5  fps
Anno 2070

Anno 2070

2011
low 1024x768
100%
Radeon HD 7640G:
44.3  fps
low 1280x720
100%
Radeon HD 7640G:
28.4  fps
med. 1366x768
100%
Radeon HD 7640G:
16.7  fps
high 1366x768
100%
Radeon HD 7640G:
11.6  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
high 1366x768
100%
Radeon HD 7640G:
21.1  fps
Dirt 3

Dirt 3

2011
low 800x600
100%
Radeon HD 7640G:
65.3  fps
med. 1024x768
100%
Radeon HD 7640G:
33.5  fps
low 1024x768
100%
Radeon HD 7640G:
109.1  fps
med. 1360x768
100%
Radeon HD 7640G:
23  fps
high 1360x768
100%
Radeon HD 7640G:
15  fps

Average Gaming AMD Radeon HD 7640G → 100%

Average Gaming 30-70 fps → 100%

For more games that might be playable and a list of all games and graphics cards visit our Gaming List

Add one or more devices and compare

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Redaktion, 2017-09- 8 (Update: 2017-09-11)