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AMD Radeon HD 7640G + HD 7670M Dual Graphics

The AMD Radeon HD 7640G + HD 7670M Dual Graphics is the combination of a integrated AMD Radeon HD 7640G APU processor graphics card and a dedicated entry level AMD Radeon HD 7670M graphics card in CrossFire combination. It is called AMD Dual Graphics or asymmetric CrossFire and uses AFR (Alternate Frame Rendering) to render different frames on the two graphic cores. Therefore the combination also suffers from micro stuttering (different spaces between two images lead to stuttering altough the framerate is high enough for fluent gaming with only one GPU).

The performance of the Dual Graphics solution depends greatly on the driver support for the used games. In some games the performance may even degrade by 10-15% compared to using only the APU graphics card. Therefore, due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains. Only in a best case scenario the performance is similar to the GeForce GT 635M.

The features like PureVideo HD (UVD3) or OpenCL support are similar to the two graphics cards.

As both graphics cards are rendering frames, the power consumption is clearly higher than using only one GPU.

ManufacturerAMD
Radeon HD 7600M Series
Radeon HD 7690M XT compare 480 @ 0.73 GHz128 Bit @ 3600 MHz
Radeon HD 7690M compare 480 @ 0.6 - 0.73 GHz128 Bit @ 3600/1800 MHz
Radeon HD 7660G + HD 7670M Dual Graphics compare 862 @ 0.69 GHz128 Bit @ 1800 MHz
Radeon HD 7640G + HD 7670M Dual Graphics 736 @ 0.66 GHz128 Bit @ 1800 MHz
Radeon HD 7520G + HD 7670M Dual Graphics compare 736 @ 0.66 GHz128 Bit @ 1800 MHz
Radeon HD 7670M compare 480 @ 0.6 GHz128 Bit @ 1800 MHz
Radeon HD 7650M compare 480 @ 0.45 - 0.55 GHz128 Bit @ 1800 MHz
Radeon HD 7630M compare 480 @ 0.45 GHz128 Bit @ 1800 MHz
Radeon HD 7640G + HD 7610M Dual Graphics compare 656 @ 0.66 GHz128 Bit @ 1800 MHz
Radeon HD 7610M compare 400 @ 0.45 GHz128 Bit @ 1600 MHz
ArchitectureTerascale 3
Pipelines736 - unified
Core Speed655 / 600 MHz
Memory Speed1800 MHz
Memory Bus Width128 Bit
Shared Memoryyes
DirectXDirectX 11, Shader 5.0
technology32/40 nm
Notebook Sizemedium sized
Date of Announcement15.05.2012

Benchmarks

Performance Rating - 3DMark 11 + Fire Strike + Time Spy
5.1 pt (5%)
AMD Radeon HD 8180 -74%
...
AMD Radeon R7 (Bristol Ridge) -4%
AMD Radeon R7 M370 -3%
AMD Radeon R7 M340 -3%
AMD Radeon R7 M260 -3%
AMD Radeon R5 M230 -2%
AMD Radeon HD 7640G + HD 7610M Dual Graphics -1%
Intel UHD Graphics G7 (Lakefield GT2 64 EU) 0%
AMD Radeon R7 M265 0%
AMD Radeon HD 7610M 0%
AMD Radeon HD 7640G + HD 7670M Dual Graphics
NVIDIA Quadro K620M 0%
NVIDIA Quadro M500M 2%
Intel HD Graphics 520 2%
NVIDIA GeForce GT 730M 3%
AMD FirePro W4190M 3%
AMD Radeon R7 M460 3%
NVIDIA GeForce GT 735M 3%
AMD Radeon R7 M440 3%
Intel HD Graphics 510 4%
...
NVIDIA GeForce GTX 1080 SLI (Laptop) 1507%
0%
100%
3DMark - 3DMark Cloud Gate Score
min: 3566     avg: 3709     median: 3566 (5%)     max: 3995 Points
+ 3 benchmarks and specifications   + Show comparison chart
3DMark - 3DMark Cloud Gate Graphics
min: 5715     avg: 6138     median: 5715 (3%)     max: 6983 Points
+ 3 benchmarks and specifications   + Show comparison chart
3DMark - 3DMark Fire Strike Standard Score
min: 529     avg: 571     median: 529 (1%)     max: 654 Points
+ 3 benchmarks and specifications   + Show comparison chart
3DMark - 3DMark Fire Strike Standard Graphics
min: 623     avg: 666     median: 623 (1%)     max: 753 Points
+ 3 benchmarks and specifications   + Show comparison chart
3DMark - 3DMark Ice Storm Graphics
min: 37273     avg: 48282     median: 53786 (7%)     max: 53786 Points
+ 3 benchmarks and specifications   + Show comparison chart
3DMark 11 - 3DM11 Performance Score
min: 1585     avg: 1626     median: 1628 (4%)     max: 1664 Points
+ 4 benchmarks and specifications   + Show comparison chart
3DMark 11 - 3DM11 Performance GPU
min: 1629     avg: 1671     median: 1649 (3%)     max: 1757 Points
+ 4 benchmarks and specifications   - Hide comparison chart
3DMark Vantage
3DM Vant. Perf. total +
3DMark Vantage - 3DM Vant. Perf. total
min: 4696     avg: 4970     median: 5049 (5%)     max: 5085 Points
+ 4 benchmarks and specifications   + Show comparison chart
3DM Vant. Perf. GPU no PhysX +
3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
min: 4554     avg: 4812     median: 4887 (4%)     max: 4918 Points
+ 4 benchmarks and specifications   - Hide comparison chart
3DMark 03 - 3DMark 03 - Standard
21584 Points (11%)
+ 1 benchmarks and specifications   + Show comparison chart
3DMark 05 - 3DMark 05 - Standard
min: 10288     avg: 10403     median: 10288 (15%)     max: 10632 Points
+ 3 benchmarks and specifications   - Hide comparison chart
3DMark 06 3DMark 06 - Standard 1280x1024 +
3DMark 06
min: 7090     avg: 8122     median: 8451.5 (16%)     max: 8493 Points
+ 4 benchmarks and specifications   + Show comparison chart
Unigine Heaven 3.0 - Unigine Heaven 3.0 DX 11
13.9 fps (5%)
+ 1 benchmarks and specifications   + Show comparison chart
Unigine Heaven 3.0 - Unigine Heaven 3.0 OpenGL
10.6 fps (5%)
+ 1 benchmarks and specifications   + Show comparison chart
Cinebench R10 Cinebench R10 Shading (32bit) +
Cinebench R10 - Cinebench R10 Shading (32bit)
min: 4566     avg: 4589     median: 4589 (22%)     max: 4612 points
+ 2 benchmarks and specifications   + Show comparison chart
Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit +
Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 17.26     avg: 24.4     median: 24.4 (10%)     max: 31.57 fps
+ 2 benchmarks and specifications   + Show comparison chart
LuxMark v2.0 64Bit - LuxMark v2.0 Room GPU
145 Samples/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
LuxMark v2.0 64Bit - LuxMark v2.0 Sala GPU
342 Samples/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
ComputeMark v2.1 - ComputeMark v2.1 Result
772 points (2%)
+ 1 benchmarks and specifications   + Show comparison chart
- 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.

Crysis 3

Crysis 3

2013
low 1024x768
28.7  fps    + Compare
med. 1366x768
15  fps    + Compare
high 1366x768
10.5  fps    + Compare
» The benchmarks indicate that the game is not playable in the tested settings.
Dead Space 3

Dead Space 3

2013
low 1024x768
99.2  fps    + Compare
med. 1366x768
45.9  fps    + Compare
high 1366x768
35.9  fps    + Compare
» With all tested laptops playable in detail settings high.
Hitman: Absolution

Hitman: Absolution

2012
low 1024x768
19.9  fps    + Compare
med. 1366x768
18.7  fps    + Compare
high 1366x768
13.4  fps    + Compare
» The benchmarks indicate that the game is not playable in the tested settings.
Fifa 13

Fifa 13

2012
low 1024x768
130.8 133 ~ 132 fps    + Compare
med. 1366x768
100.9 108 ~ 104 fps    + Compare
high 1366x768
99.4 103 ~ 101 fps    + Compare
ultra 1920x1080
65 71 ~ 68 fps    + Compare
» With all tested laptops playable in detail settings ultra.
Dirt Showdown

Dirt Showdown

2012
low 1024x768
34.2 37.4 ~ 36 fps    + Compare
med. 1366x768
26.7  fps    + Compare
high 1366x768
25.5  fps    + Compare
» With most tested laptops playable in detail settings low.
Diablo III

Diablo III

2012
low 1024x768
78.5 96 98 ~ 91 fps    + Compare
med. 1366x768
74 74 ~ 74 fps    + Compare
high 1366x768
65.4 70 ~ 68 fps    + Compare
ultra 1920x1080
43.3 48 ~ 46 fps    + Compare
» With all tested laptops playable in detail settings ultra.
Anno 2070

Anno 2070

2011
low 1024x768
69 74.9 90 ~ 78 fps    + Compare
med. 1366x768
28 31.8 ~ 30 fps    + Compare
high 1366x768
19 20.6 ~ 20 fps    + Compare
» With all tested laptops playable in detail settings low.
The Elder Scrolls V: Skyrim

The Elder Scrolls V: Skyrim

2011
low 1280x720
35.1  fps    + Compare
med. 1366x768
30.8  fps    + Compare
high 1366x768
25.1  fps    + Compare
» With all tested laptops playable in detail settings low.
F1 2011

F1 2011

2011
low 800x600
59  fps    + Compare
med. 1024x768
37  fps    + Compare
» With all tested laptops playable in detail settings med..
Deus Ex Human Revolution

Deus Ex Human Revolution

2011
low 1024x768
95.5  fps    + Compare
» With all tested laptops playable in detail settings low.
Dirt 3

Dirt 3

2011
low 800x600
70.3  fps    + Compare
med. 1024x768
41.3  fps    + Compare
» With all tested laptops playable in detail settings med..

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

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