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AMD Radeon HD 6680G2 vs AMD Radeon HD 6640G2 vs AMD Radeon HD 6720G2

AMD Radeon HD 6680G2

► remove from comparison AMD Radeon HD 6680G2

The AMD Radeon HD 6680G2 is the combination of a integrated AMD Radeon HD 6520G APU processor graphics card and a dedicated entry level AMD Radeon HD 6630M 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 Radeon HD 6680G2 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. Currently (June 2011) only DirectX 10 and 11 graphics modes are supported and therefore lower settings and older games are not accelerated. Due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains.

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.

AMD Radeon HD 6640G2

► remove from comparison AMD Radeon HD 6640G2

The AMD Radeon HD 6640G2 is the combination of a integrated AMD Radeon HD 6620G APU processor graphics card and a dedicated entry level AMD Radeon HD 6470M 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 Radeon HD 6640G2 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. Currently (June 2011) only DirectX 10 and 11 graphics modes are supported and therefore lower settings and older games are not accelerated. Due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains.

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.

AMD Radeon HD 6720G2

► remove from comparison AMD Radeon HD 6720G2

The AMD Radeon HD 6720G2 is the combination of a integrated AMD Radeon HD 6520G APU processor graphics card and a dedicated entry level AMD Radeon HD 6650M 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 Radeon HD 6720G2 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. Currently (June 2011) only DirectX 10 and 11 graphics modes are supported and therefore lower settings and older games are not accelerated. Due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains.

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.

AMD Radeon HD 6680G2AMD Radeon HD 6640G2AMD Radeon HD 6720G2
ManufacturerAMDAMDAMD
Radeon HD 6000G2 Series
Radeon HD 6775G2 880
Radeon HD 6755G2 880
Radeon HD 6760G2 880
Radeon HD 6740G2 880
Radeon HD 6720G2 880
Radeon HD 6690G2 880
Radeon HD 6680G2 800
Radeon HD 6645G2 560
Radeon HD 6640G2 560
Radeon HD 6545G2 480
Radeon HD 6540G2 480
Radeon HD 6515G2 400
Radeon HD 6510G2 400
Radeon HD 6775G2 880
Radeon HD 6755G2 880
Radeon HD 6760G2 880
Radeon HD 6740G2 880
Radeon HD 6720G2 880
Radeon HD 6690G2 880
Radeon HD 6680G2 800
Radeon HD 6645G2 560
Radeon HD 6640G2 560
Radeon HD 6545G2 480
Radeon HD 6540G2 480
Radeon HD 6515G2 400
Radeon HD 6510G2 400
Radeon HD 6775G2 880
Radeon HD 6755G2 880
Radeon HD 6760G2 880
Radeon HD 6740G2 880
Radeon HD 6720G2 880
Radeon HD 6690G2 880
Radeon HD 6680G2 800
Radeon HD 6645G2 560
Radeon HD 6640G2 560
Radeon HD 6545G2 480
Radeon HD 6540G2 480
Radeon HD 6515G2 400
Radeon HD 6510G2 400
ArchitectureTerascale 2Terascale 2Terascale 2
Pipelines800 - unified560 - unified880 - unified
Shared Memorynonono
DirectXDirectX 11, Shader 5.0DirectX 11, Shader 5.0DirectX 11, Shader 5.0
technology40 nm40 nm40 nm
Notebook Sizemedium sizedmedium sizedmedium sized
Date of Announcement14.06.2011 14.06.2011 14.06.2011

Benchmarks

3DMark 11 - 3DM11 Performance Score
1105 Points (3%)
min: 1389     avg: 1406     median: 1404 (3%)     max: 1424 Points
3DMark 11 - 3DM11 Performance GPU
1061 Points (2%)
min: 1428     avg: 1479     median: 1456.5 (2%)     max: 1575 Points
3DMark Vantage
3DM Vant. Perf. total + AMD Radeon HD 6680G2
3DMark Vantage - 3DM Vant. Perf. total
3224 Points (3%)
3DM Vant. Perf. total + AMD Radeon HD 6720G2
min: 3864     avg: 3888     median: 3888 (4%)     max: 3913 Points
3DM Vant. Perf. GPU no PhysX + AMD Radeon HD 6680G2
3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
2800 Points (3%)
3DM Vant. Perf. GPU no PhysX + AMD Radeon HD 6720G2
min: 3577     avg: 3600     median: 3603 (3%)     max: 3619 Points
3DMark 03 - 3DMark 03 - Standard
14126 Points (7%)
3DMark 06 3DMark 06 - Standard 1280x1024 + AMD Radeon HD 6680G2
3DMark 06
4795 Points (9%)
3DMark 06 - Standard 1280x1024 + AMD Radeon HD 6720G2
min: 6160     avg: 6206     median: 6186 (12%)     max: 6271 Points
3DMark 06 - Score Unknown Settings + AMD Radeon HD 6720G2
3DMark 06
6679 (12%)
Unigine Heaven 2.1 - Heaven 2.1 high
10.8 fps (2%)
14.8 fps (3%)
SPECviewperf 11
specvp11 snx-01 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 snx-01
min: 4.16     avg: 4.2     median: 4.2 (3%)     max: 4.27 fps
specvp11 tcvis-02 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 tcvis-02
min: 2.42     avg: 2.4     median: 2.4 (4%)     max: 2.44 fps
specvp11 sw-02 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 sw-02
min: 8.9     avg: 9.2     median: 9.2 (11%)     max: 9.43 fps
specvp11 proe-05 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 proe-05
min: 0.9     avg: 0.9     median: 0.9 (4%)     max: 0.93 fps
specvp11 maya-03 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 maya-03
min: 4.89     avg: 4.9     median: 4.9 (4%)     max: 4.98 fps
specvp11 lightwave-01 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 lightwave-01
min: 11.63     avg: 11.8     median: 11.8 (13%)     max: 12.02 fps
specvp11 ensight-04 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 ensight-04
min: 8.33     avg: 8.4     median: 8.4 (4%)     max: 8.43 fps
specvp11 catia-03 + AMD Radeon HD 6720G2
SPECviewperf 11 - specvp11 catia-03
min: 2.8     avg: 2.8     median: 2.8 (3%)     max: 2.84 fps
Windows 7 Experience Index - Win7 Gaming graphics
6.5 Points (82%)
6.1 Points (77%)
Windows 7 Experience Index - Win7 Graphics
5.9 Points (75%)
5.3 Points (67%)
Cinebench R10 Cinebench R10 Shading (32bit) + AMD Radeon HD 6680G2
Cinebench R10 - Cinebench R10 Shading (32bit)
3884 (18%)
Cinebench R10 Shading (32bit) + AMD Radeon HD 6720G2
min: 3104     avg: 3161     median: 3154 (15%)     max: 3225
Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit + AMD Radeon HD 6680G2
Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
20.3 fps (9%)
Cinebench R11.5 OpenGL 64 Bit + AMD Radeon HD 6720G2
min: 13.5     avg: 20.1     median: 20.1 (9%)     max: 26.7 fps

Average Benchmarks AMD Radeon HD 6680G2 → NAN% n=

Average Benchmarks AMD Radeon HD 6720G2 → NAN% n=

- 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.

Anno 2070

Anno 2070

2011
low 1024x768
Radeon HD 6720G2:
59.1  fps
med. 1366x768
Radeon HD 6720G2:
21.3  fps
high 1366x768
Radeon HD 6720G2:
19.4  fps
Fifa 12

Fifa 12

2011
low 800x600
Radeon HD 6720G2:
79.9  fps
med. 1024x768
Radeon HD 6720G2:
58.1  fps
high 1360x768
Radeon HD 6720G2:
46.7  fps
low 1024x768
100%
Radeon HD 6680G2:
51 fps  fps
128%
Radeon HD 6720G2:
65.4 fps  fps
high 1366x768
100%
Radeon HD 6680G2:
27.8 fps  fps
101%
Radeon HD 6720G2:
28 fps  fps
Dirt 3

Dirt 3

2011
low 800x600
100%
Radeon HD 6680G2:
64.9  fps
med. 1024x768
100%
Radeon HD 6680G2:
57.6  fps
69%
Radeon HD 6720G2:
40  fps
high 1360x768
100%
Radeon HD 6680G2:
23.7  fps
149%
Radeon HD 6720G2:
35.3  fps
Total War: Shogun 2

Total War: Shogun 2

2011
low 1024x768
100%
Radeon HD 6680G2:
88.5  fps
med. 1280x720
100%
Radeon HD 6680G2:
30.5  fps
low 800x600
100%
Radeon HD 6680G2:
46 fps  fps
med. 1024x768
100%
Radeon HD 6680G2:
31.7 fps  fps
high 1360x768
100%
Radeon HD 6680G2:
25.2 fps  fps
Fifa 11

Fifa 11

2010
low 800x600
Radeon HD 6720G2:
154.1  fps
med. 1024x768
Radeon HD 6720G2:
115.3  fps
high 1360x768
Radeon HD 6720G2:
75.2  fps
low 1024x768
100%
Radeon HD 6680G2:
95 fps  fps
75%
Radeon HD 6720G2:
71.5 fps  fps
med. 1360x768
100%
Radeon HD 6680G2:
28.8 fps  fps
111%
Radeon HD 6720G2:
31.9 fps  fps
high 1360x768
100%
Radeon HD 6680G2:
20 fps  fps
131%
Radeon HD 6720G2:
26.1 fps  fps
low 800x600
Radeon HD 6720G2:
59.9  fps
med. 1360x768
Radeon HD 6720G2:
25.6  fps
low 1024x768
100%
Radeon HD 6680G2:
55 fps  fps
97%
Radeon HD 6720G2:
53.1 fps  fps
med. 1366x768
100%
Radeon HD 6680G2:
44.4 fps  fps
104%
Radeon HD 6720G2:
46 fps  fps
high 1366x768
100%
Radeon HD 6680G2:
33.1 fps  fps
115%
Radeon HD 6720G2:
38 fps  fps
low 800x600
100%
Radeon HD 6680G2:
94 fps  fps
med. 1024x768
100%
Radeon HD 6680G2:
33.6 fps  fps
high 1366x768
100%
Radeon HD 6680G2:
28.2 fps  fps
Risen

Risen

2009
low 800x600
100%
Radeon HD 6680G2:
43 fps  fps
112%
Radeon HD 6720G2:
46 47.5 fps 51.5 ~ 48 fps
med. 1024x768
100%
Radeon HD 6680G2:
24.6 fps  fps
122%
Radeon HD 6720G2:
29.5 29.8 30.8 fps ~ 30 fps
high 1366x768
100%
Radeon HD 6680G2:
16.6 fps  fps
127%
Radeon HD 6720G2:
19.9 20.6 23.4 fps ~ 21 fps
Need for Speed Shift

Need for Speed Shift

2009
low 800x600
Radeon HD 6720G2:
31.4 31.8 ~ 32 fps
med. 1024x768
Radeon HD 6720G2:
20.5 22.5 ~ 22 fps
high 1366x768
Radeon HD 6720G2:
18.6 20.7 ~ 20 fps
Colin McRae: DIRT 2

Colin McRae: DIRT 2

2009
low 800x600
Radeon HD 6720G2:
37.8 56.6 ~ 47 fps
med. 1024x768
Radeon HD 6720G2:
33.5 47.9 ~ 41 fps
high 1360x768
Radeon HD 6720G2:
24.5 40.2 ~ 32 fps
Call of Duty 4 - Modern Warfare

Call of Duty 4 - Modern Warfare

2007
low 800x600
Radeon HD 6720G2:
96.5  fps
med. 1024x768
Radeon HD 6720G2:
58.9  fps
Call of Juarez Benchmark

Call of Juarez Benchmark

2006
high 1024x768
Radeon HD 6720G2:
30.2 31.3 ~ 31 fps

Average Gaming AMD Radeon HD 6680G2 → 100%

Average Gaming 30-70 fps → 100%

Average Gaming AMD Radeon HD 6720G2 → 111%

Average Gaming 30-70 fps → 110%

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)