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AMD Radeon HD 6755G2 vs AMD Radeon HD 6740G2

AMD Radeon HD 6755G2

► remove from comparison AMD Radeon HD 6755G2

The AMD Radeon HD 6755G2 is the combination of an integrated AMD Radeon HD 6620G or 6520G APU processor graphics card and a dedicated entry level AMD Radeon HD 6750M graphics card in CrossFire combination. This setup,  called AMD Dual Graphics or asymmetric CrossFire, uses AFR (Alternate Frame Rendering) to render alternating frames between the two graphics cores. As a result, the combination also suffers from the phenomenon known as micro stuttering.

The performance of the Radeon HD 6755G2 depends greatly on the driver support in games. In some games, the performance may even degrade by 10-15% compared to using only the APU graphics card. As of 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 issues, AMD Dual Graphics may impose more problems than performance gains.

Supported Features like PureVideo HD (UVD3) and OpenCL have similar performance to a discrete Radeon HD 6750M.

As both graphics cards are rendering frames, the power consumption is clearly greater than if only one GPU was active.

AMD Radeon HD 6740G2

► remove from comparison AMD Radeon HD 6740G2

The AMD Radeon HD 6740G2 is the combination of a integrated AMD Radeon HD 6620G 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 6740G2 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.

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AMD Radeon HD 6755G2AMD Radeon HD 6740G2
Radeon HD 6000G2 Series
Radeon HD 6775G2 compare 880
Radeon HD 6755G2 880
Radeon HD 6760G2 compare 880
Radeon HD 6740G2 880
Radeon HD 6720G2 compare 880
Radeon HD 6690G2 compare 880
Radeon HD 6680G2 compare 800
Radeon HD 6645G2 compare 560
Radeon HD 6640G2 compare 560
Radeon HD 6545G2 compare 480
Radeon HD 6540G2 compare 480
Radeon HD 6515G2 compare 400
Radeon HD 6510G2 compare 400
Radeon HD 6775G2 compare 880
Radeon HD 6755G2 880
Radeon HD 6760G2 compare 880
Radeon HD 6740G2 880
Radeon HD 6720G2 compare 880
Radeon HD 6690G2 compare 880
Radeon HD 6680G2 compare 800
Radeon HD 6645G2 compare 560
Radeon HD 6640G2 compare 560
Radeon HD 6545G2 compare 480
Radeon HD 6540G2 compare 480
Radeon HD 6515G2 compare 400
Radeon HD 6510G2 compare 400
ArchitectureTerascale 2Terascale 2
Pipelines880 - unified880 - unified
Shared Memorynono
APIDirectX 11, Shader 5.0DirectX 11, Shader 5.0
technology40 nm40 nm
Notebook Sizemedium sizedmedium sized
Date of Announcement14.06.2011 14.06.2011

Benchmarks

3DMark 11 - 3DM11 Performance Score
min: 1511     avg: 1513     median: 1513 (2%)     max: 1515 Points
min: 1419     avg: 1602     median: 1624 (2%)     max: 1739 Points
3DMark 11 - 3DM11 Performance GPU
min: 1528     avg: 1529     median: 1529 (1%)     max: 1530 Points
min: 1472     avg: 1577     median: 1597 (1%)     max: 1661 Points
3DMark Vantage
3DM Vant. Perf. total + AMD Radeon HD 6755G2
3DMark Vantage - 3DM Vant. Perf. total
min: 1065     avg: 2855     median: 2855 (1%)     max: 4645 Points
3DM Vant. Perf. total + AMD Radeon HD 6740G2
min: 4937     avg: 5088     median: 5088 (1%)     max: 5239 Points
3DM Vant. Perf. GPU no PhysX + AMD Radeon HD 6755G2
3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
min: 837     avg: 2593     median: 2592.5 (1%)     max: 4348 Points
3DM Vant. Perf. GPU no PhysX + AMD Radeon HD 6740G2
min: 4790     avg: 4956     median: 4956 (3%)     max: 5122 Points
3DMark 03 - 3DMark 03 - Standard
12732 Points (7%)
min: 14350     avg: 17227     median: 17227 (9%)     max: 20104 Points
3DMark 05 - 3DMark 05 - Standard
8810 Points (10%)
10949 Points (12%)
3DMark 06 3DMark 06 - Standard 1280x1024 + AMD Radeon HD 6755G2
3DMark 06
min: 7374     avg: 7377     median: 7377 (10%)     max: 7380 Points
3DMark 06 - Standard 1280x1024 + AMD Radeon HD 6740G2
min: 6412     avg: 6754     median: 6753.5 (9%)     max: 7095 Points
Unigine Heaven 2.1 - Heaven 2.1 high
18.8 fps (4%)
min: 17.5     avg: 17.7     median: 17.7 (3%)     max: 17.8 fps
SPECviewperf 11
specvp11 snx-01 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 snx-01
4.3 fps (3%)
specvp11 tcvis-02 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 tcvis-02
2.8 fps (5%)
specvp11 sw-02 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 sw-02
10.5 fps (13%)
specvp11 proe-05 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 proe-05
1 fps (4%)
specvp11 maya-03 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 maya-03
5.2 fps (4%)
specvp11 lightwave-01 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 lightwave-01
12.7 fps (14%)
specvp11 ensight-04 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 ensight-04
8.7 fps (4%)
specvp11 catia-03 + AMD Radeon HD 6755G2
SPECviewperf 11 - specvp11 catia-03
3.2 fps (4%)
Windows 7 Experience Index - Win7 Gaming graphics
6.4 Points (81%)
min: 6.1     avg: 6.2     median: 6.2 (78%)     max: 6.3 Points
Windows 7 Experience Index - Win7 Graphics
6.4 Points (81%)
min: 5.2     avg: 5.3     median: 5.3 (67%)     max: 5.3 Points
Cinebench R10 Cinebench R10 Shading (32bit) + AMD Radeon HD 6755G2
Cinebench R10 - Cinebench R10 Shading (32bit)
min: 3503     avg: 3662     median: 3661.5 (3%)     max: 3820 Points
Cinebench R10 Shading (32bit) + AMD Radeon HD 6740G2
min: 3628     avg: 3792     median: 3792 (3%)     max: 3956 Points
Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit + AMD Radeon HD 6755G2
Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 20.21     avg: 20.3     median: 20.3 (7%)     max: 20.46 fps
Cinebench R11.5 OpenGL 64 Bit + AMD Radeon HD 6740G2
min: 14.9     avg: 22.4     median: 23.3 (8%)     max: 27.9 fps

Average Benchmarks AMD Radeon HD 6755G2 → 100% n=12

Average Benchmarks AMD Radeon HD 6740G2 → 119% n=12

- 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.

Star Wars: The Old Republic

Star Wars: The Old Republic

2011
low 1024x768
Radeon HD 6740G2:
33.4  fps
high 1366x768
Radeon HD 6740G2:
22.1  fps
Anno 2070

Anno 2070

2011
low 1024x768
100%
Radeon HD 6755G2:
67.7  fps
139%
Radeon HD 6740G2:
94.2  fps
med. 1366x768
100%
Radeon HD 6755G2:
18.1  fps
218%
Radeon HD 6740G2:
39.4  fps
high 1366x768
100%
Radeon HD 6755G2:
16.2  fps
164%
Radeon HD 6740G2:
26.6  fps
The Elder Scrolls V: Skyrim

The Elder Scrolls V: Skyrim

2011
low 1280x720
Radeon HD 6740G2:
26.4  fps
med. 1366x768
Radeon HD 6740G2:
24.9  fps
high 1366x768
Radeon HD 6740G2:
19.9  fps
Battlefield 3

Battlefield 3

2011
low 1024x768
Radeon HD 6740G2:
37.2  fps
med. 1366x768
Radeon HD 6740G2:
28.9  fps
high 1366x768
Radeon HD 6740G2:
24.4  fps
Fifa 12

Fifa 12

2011
low 800x600
100%
Radeon HD 6755G2:
124.7  fps
109%
Radeon HD 6740G2:
135.9  fps
med. 1024x768
100%
Radeon HD 6755G2:
67.9  fps
131%
Radeon HD 6740G2:
88.7  fps
high 1360x768
100%
Radeon HD 6755G2:
47.3  fps
147%
Radeon HD 6740G2:
69.5  fps
F1 2011

F1 2011

2011
low 800x600
Radeon HD 6740G2:
47  fps
med. 1024x768
Radeon HD 6740G2:
31  fps
high 1366x768
Radeon HD 6740G2:
26  fps
Deus Ex Human Revolution

Deus Ex Human Revolution

2011
low 1024x768
Radeon HD 6740G2:
76  fps
high 1366x768
Radeon HD 6740G2:
28.6  fps
Dirt 3

Dirt 3

2011
low 800x600
100%
Radeon HD 6755G2:
51.8  fps
131%
Radeon HD 6740G2:
68  fps
med. 1024x768
100%
Radeon HD 6755G2:
35.2  fps
116%
Radeon HD 6740G2:
40.7  fps
high 1360x768
100%
Radeon HD 6755G2:
31.8  fps
87%
Radeon HD 6740G2:
27.7  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
13.7  fps
Crysis 2

Crysis 2

2011
low 800x600
100%
Radeon HD 6755G2:
46.8  fps
109%
Radeon HD 6740G2:
51  fps
med. 1024x768
100%
Radeon HD 6755G2:
31.8  fps
108%
Radeon HD 6740G2:
34.5  fps
high 1366x768
100%
Radeon HD 6755G2:
24  fps
108%
Radeon HD 6740G2:
25.8  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
8.9  fps
Total War: Shogun 2

Total War: Shogun 2

2011
low 1024x768
Radeon HD 6740G2:
87.6  fps
med. 1280x720
Radeon HD 6740G2:
27.6  fps
Call of Duty: Black Ops

Call of Duty: Black Ops

2010
med. 1024x768
100%
Radeon HD 6755G2:
29.1  fps
132%
Radeon HD 6740G2:
38.3  fps
high 1360x768
100%
Radeon HD 6755G2:
25.2  fps
106%
Radeon HD 6740G2:
26.8  fps
Mafia 2

Mafia 2

2010
low 800x600
100%
Radeon HD 6755G2:
45  fps
med. 1024x768
100%
Radeon HD 6755G2:
37.6  fps
high 1360x768
100%
Radeon HD 6755G2:
30.7  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
13.4  fps
StarCraft 2

StarCraft 2

2010
low 1024x768
100%
Radeon HD 6755G2:
74.1  fps
137%
Radeon HD 6740G2:
101.2  fps
med. 1360x768
100%
Radeon HD 6755G2:
28.6  fps
143%
Radeon HD 6740G2:
41  fps
high 1360x768
100%
Radeon HD 6755G2:
20.1  fps
147%
Radeon HD 6740G2:
29.5  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
15.2  fps
Metro 2033

Metro 2033

2010
low 800x600
100%
Radeon HD 6755G2:
49.1 78.1 ~ 64 fps
82%
Radeon HD 6740G2:
52.4  fps
med. 1360x768
100%
Radeon HD 6755G2:
29.9 45.8 ~ 38 fps
88%
Radeon HD 6740G2:
33.4  fps
high 1600x900
100%
Radeon HD 6755G2:
19.6  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
7.1  fps
Battlefield: Bad Company 2

Battlefield: Bad Company 2

2010
low 1024x768
100%
Radeon HD 6755G2:
63.6  fps
108%
Radeon HD 6740G2:
68.8  fps
med. 1366x768
100%
Radeon HD 6755G2:
48.2  fps
127%
Radeon HD 6740G2:
61  fps
high 1366x768
100%
Radeon HD 6755G2:
35.4  fps
138%
Radeon HD 6740G2:
48.8  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
18.8  fps
Risen

Risen

2009
low 800x600
100%
Radeon HD 6755G2:
58.4  fps
84%
Radeon HD 6740G2:
49  fps
med. 1024x768
100%
Radeon HD 6755G2:
23.4 32.7 ~ 28 fps
118%
Radeon HD 6740G2:
33.1  fps
high 1366x768
100%
Radeon HD 6755G2:
16.6 23.5 ~ 20 fps
125%
Radeon HD 6740G2:
25  fps
Resident Evil 5

Resident Evil 5

2009
low 800x600
100%
Radeon HD 6755G2:
50.6  fps
high 1360x768
100%
Radeon HD 6755G2:
39.9  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
31.4  fps
Need for Speed Shift

Need for Speed Shift

2009
med. 1024x768
100%
Radeon HD 6755G2:
26.3  fps
high 1366x768
100%
Radeon HD 6755G2:
22.4  fps
Colin McRae: DIRT 2

Colin McRae: DIRT 2

2009
low 800x600
100%
Radeon HD 6755G2:
69.5  fps
med. 1024x768
100%
Radeon HD 6755G2:
59  fps
high 1360x768
100%
Radeon HD 6755G2:
56.1  fps
F.E.A.R. 2

F.E.A.R. 2

2009
low 800x600
100%
Radeon HD 6755G2:
70.6  fps
med. 1024x768
100%
Radeon HD 6755G2:
49.1  fps
high 1280x1024
100%
Radeon HD 6755G2:
32.2  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
16.8  fps
GTA IV - Grand Theft Auto

GTA IV - Grand Theft Auto

2008
low 800x600
100%
Radeon HD 6755G2:
44.2  fps
med. 1024x768
100%
Radeon HD 6755G2:
27.1  fps
high 1280x1024
100%
Radeon HD 6755G2:
18.1  fps
Racedriver: GRID

Racedriver: GRID

2008
low 800x600
100%
Radeon HD 6755G2:
60.5  fps
med. 1024x768
100%
Radeon HD 6755G2:
41.8  fps
high 1280x1024
100%
Radeon HD 6755G2:
29  fps
Trackmania Nations Forever

Trackmania Nations Forever

2008
low 640x480
100%
Radeon HD 6755G2:
97.9  fps
high 1024x768
100%
Radeon HD 6755G2:
30.3  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
14.2  fps
Supreme Commander - FA Bench

Supreme Commander - FA Bench

2007
low 1024x768
100%
Radeon HD 6755G2:
22.9  fps
med. 1024x768
100%
Radeon HD 6755G2:
21.1  fps
high 1024x768
100%
Radeon HD 6755G2:
19.5  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
12.3  fps
Crysis - GPU Benchmark

Crysis - GPU Benchmark

2007
low 1024x768
100%
Radeon HD 6755G2:
65.8  fps
med. 1024x768
100%
Radeon HD 6755G2:
52.2  fps
high 1024x768
100%
Radeon HD 6755G2:
37.8  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
11.3  fps
Crysis - CPU Benchmark

Crysis - CPU Benchmark

2007
low 1024x768
100%
Radeon HD 6755G2:
72.4  fps
med. 1024x768
100%
Radeon HD 6755G2:
46.2  fps
high 1024x768
100%
Radeon HD 6755G2:
31.2  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
10.2  fps
World in Conflict - Benchmark

World in Conflict - Benchmark

2007
low 800x600
100%
Radeon HD 6755G2:
85  fps
med. 1024x768
100%
Radeon HD 6755G2:
33  fps
high 1024x768
100%
Radeon HD 6755G2:
30  fps
ultra 1920x1080
100%
Radeon HD 6755G2:
14  fps
Call of Juarez Benchmark

Call of Juarez Benchmark

2006
high 1024x768
100%
Radeon HD 6755G2:
35.5 35.8 ~ 36 fps
Half Life 2 - Lost Coast Benchmark

Half Life 2 - Lost Coast Benchmark

2005
high 1024x768
100%
Radeon HD 6755G2:
72.7  fps
World of Warcraft

World of Warcraft

2005
low 800x600
100%
Radeon HD 6755G2:
103.3  fps
med. 1024x768
100%
Radeon HD 6755G2:
65.6  fps
high 1280x1024
100%
Radeon HD 6755G2:
20.4  fps

Average Gaming AMD Radeon HD 6755G2 → 100%

Average Gaming 30-70 fps → 100%

Average Gaming AMD Radeon HD 6740G2 → 124%

Average Gaming 30-70 fps → 123%

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)