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AMD Radeon HD 7640G vs AMD Radeon HD 7400G

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 7400G

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The AMD Radeon HD 7400G or HD7400G is a processor graphics card in the Trinity APUs from AMD (A4-4355M). It is a low-range version with a reduced shader count / clock speed and will be featured in the A4 series (ULV). It should be based on the VLIW4 architecture of the Radeon HD 6900 series desktop graphics card and 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 in the range of the Llano-based HD 6480G and the Intel HD Graphics (Haswell). Older and less demanding games will run fluently in (very) low settings and resolutions.

The APU is still manufactured in 32nm and, as all A4 ULV parts, should be classified with a 17 Watt TDP. Therefore, the HD 7400G is best suited for small laptops of 11 inch an up.

AMD Radeon HD 7640GAMD Radeon HD 7400G
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 compare 128 @ 0.48 - 0.66 GHz
Radeon HD 7400G 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 compare 128 @ 0.48 - 0.66 GHz
Radeon HD 7400G 192 @ 0.33 - 0.42 GHz
CodenameTrinityTrinity
ArchitectureTerascale 3Terascale 3
Pipelines256 - unified192 - unified
Core Speed497 - 686 (Boost) MHz327 - 423 (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 01.09.2012
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 7400GGPU Base SpeedGPU Boost / Turbo
AMD A4-4355M2 x 1900 MHz, 17 W327 MHz424 MHz

Benchmarks

Performance Rating - 3DMark 11 + Fire Strike + Time Spy - Radeon HD 7400G
2.6 pt (3%)
3DMark - 3DMark Cloud Gate Score
1586 Points (2%)
3DMark - 3DMark Cloud Gate Graphics
2424 Points (1%)
3DMark - 3DMark Fire Strike Standard Score
245 Points (1%)
3DMark - 3DMark Fire Strike Standard Graphics
327 Points (1%)
3DMark - 3DMark Ice Storm Graphics
29730 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
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. 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
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 7400G
2931 Points (5%)
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 7400G
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 7400G
ComputeMark v2.1 - ComputeMark v2.1 Result
316 (1%)

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

Average Benchmarks AMD Radeon HD 7400G → 69% 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.

low 1280x720
Radeon HD 7400G:
23  fps
med. 1366x768
Radeon HD 7400G:
11  fps
high 1366x768
Radeon HD 7400G:
9  fps
SimCity

SimCity

2013
low 1024x768
Radeon HD 7400G:
24  fps
med. 1366x768
Radeon HD 7400G:
9  fps
high 1366x768
Radeon HD 7400G:
6  fps
low 1024x768
Radeon HD 7400G:
27  fps
med. 1366x768
Radeon HD 7400G:
14  fps
high 1366x768
Radeon HD 7400G:
8.6  fps
Crysis 3

Crysis 3

2013
low 1024x768
Radeon HD 7400G:
11  fps
med. 1366x768
Radeon HD 7400G:
7  fps
low 1024x768
Radeon HD 7400G:
43  fps
med. 1366x768
Radeon HD 7400G:
17  fps
high 1366x768
Radeon HD 7400G:
13  fps
low 1024x768
Radeon HD 7400G:
9  fps
med. 1366x768
Radeon HD 7400G:
8  fps
low 1024x768
Radeon HD 7400G:
15  fps
med. 1366x768
Radeon HD 7400G:
9  fps
low 1024x768
Radeon HD 7400G:
20  fps
med. 1366x768
Radeon HD 7400G:
16  fps
high 1366x768
Radeon HD 7400G:
14  fps
Fifa 13

Fifa 13

2012
low 1024x768
Radeon HD 7400G:
41  fps
med. 1366x768
Radeon HD 7400G:
30  fps
high 1366x768
Radeon HD 7400G:
22  fps
low 1024x768
Radeon HD 7400G:
21  fps
med. 1366x768
Radeon HD 7400G:
12  fps
low 1024x768
Radeon HD 7400G:
19  fps
med. 1366x768
Radeon HD 7400G:
14  fps
low 1024x768
100%
Radeon HD 7640G:
30.2  fps
low 1024x768
100%
Radeon HD 7640G:
42.7  fps
80%
Radeon HD 7400G:
34  fps
med. 1366x768
Radeon HD 7400G:
23  fps
high 1366x768
Radeon HD 7400G:
19  fps
ultra 1920x1080
100%
Radeon HD 7640G:
9.5  fps
low 1280x720
Radeon HD 7400G:
18  fps
high 1366x768
Radeon HD 7400G:
13  fps
Anno 2070

Anno 2070

2011
low 1024x768
100%
Radeon HD 7640G:
44.3  fps
74%
Radeon HD 7400G:
33  fps
med. 1366x768
Radeon HD 7400G:
13  fps
low 1280x720
100%
Radeon HD 7640G:
28.4  fps
67%
Radeon HD 7400G:
19  fps
med. 1366x768
100%
Radeon HD 7640G:
16.7  fps
78%
Radeon HD 7400G:
13  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
72%
Radeon HD 7400G:
34  fps
high 1366x768
100%
Radeon HD 7640G:
21.1  fps
66%
Radeon HD 7400G:
14  fps
Dirt 3

Dirt 3

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

Mafia 2

2010
low 800x600
Radeon HD 7400G:
14.6  fps
med. 1024x768
Radeon HD 7400G:
12  fps
low 1024x768
100%
Radeon HD 7640G:
109.1  fps
88%
Radeon HD 7400G:
96  fps
med. 1360x768
100%
Radeon HD 7640G:
23  fps
87%
Radeon HD 7400G:
20  fps
high 1360x768
100%
Radeon HD 7640G:
15  fps
87%
Radeon HD 7400G:
13  fps
low 1024x768
Radeon HD 7400G:
25  fps
med. 1366x768
Radeon HD 7400G:
20  fps
high 1366x768
Radeon HD 7400G:
13  fps

Average Gaming AMD Radeon HD 7640G → 100%

Average Gaming 30-70 fps → 100%

Average Gaming AMD Radeon HD 7400G → 78%

Average Gaming 30-70 fps → 75%

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)