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.
Manufacturer AMD Radeon HD 6000G2 Series Architecture Terascale 2 Pipelines 880 - unified Shared Memory no DirectX DirectX 11, Shader 5.0 technology 40 nm Notebook Size medium sized Date of Announcement 14.06.2011
Benchmarks 3DMark 11 - 3DM11 Performance Score
min: 1419 avg: 1602 median: 1624 (4%) max: 1739 Points
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3DMark 11 - 3DM11 Performance GPU
min: 1472 avg: 1577 median: 1597 (3%) max: 1661 Points
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3DMark Vantage + 3DMark Vantage - 3DM Vant. Perf. total
min: 4937 avg: 5088 median: 5088 (5%) max: 5239 Points
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NVIDIA GeForce GT 240 GDDR5 3%
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3DM Vant. Perf. GPU no PhysX + 3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
min: 4790 avg: 4956 median: 4956 (5%) max: 5122 Points
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3DMark 03 - 3DMark 03 - Standard
min: 14350 avg: 17227 median: 17227 (9%) max: 20104 Points
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3DMark 05 - 3DMark 05 - Standard
10949 Points (16%)
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AMD Radeon RX 6700 XT 403%
3DMark 06 3DMark 06 - Standard 1280x1024 +
min: 6412 avg: 6754 median: 6753.5 (13%) max: 7095 Points
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NVIDIA GeForce GT 220 1%
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AMD Radeon RX 6700 XT 600%
Unigine Heaven 2.1 - Heaven 2.1 high
min: 17.5 avg: 17.7 median: 17.7 (3%) max: 17.8 fps
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Windows 7 Experience Index - Win7 Gaming graphics
min: 6.1 avg: 6.2 median: 6.2 (78%) max: 6.3 Points
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Windows 7 Experience Index - Win7 Graphics
min: 5.2 avg: 5.3 median: 5.3 (67%) max: 5.3 Points
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Cinebench R10 Cinebench R10 Shading (32bit) + Cinebench R10 - Cinebench R10 Shading (32bit)
min: 3628 avg: 3792 median: 3792 (18%) max: 3956 points
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Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit + Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 14.9 avg: 22.4 median: 23.3 (10%) max: 27.9 fps
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- 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.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings med..
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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NVIDIA GeForce GTX 580 447%
» With all tested laptops playable in detail settings high.
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» With all tested laptops playable in detail settings low.
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» With all tested laptops playable in detail settings low.
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» With all tested laptops playable in detail settings med..
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ATI Radeon HD 5570 -6%
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ATI Radeon HD 5570 -7%
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ATI Radeon HD 5570 -11%
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» With all tested laptops playable in detail settings low.
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NVIDIA GeForce GTX 580 349%
» With all tested laptops playable in detail settings low.
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» With all tested laptops playable in detail settings med..
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ATI Radeon HD 5570 5%
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» With all tested laptops playable in detail settings med..
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ATI Radeon HD 5570 20%
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ATI Radeon HD 5570 -7%
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» With all tested laptops playable in detail settings low.
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ATI Radeon HD 5670 0%
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» With all tested laptops playable in detail settings high.
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ATI Radeon HD 5670 24%
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» With all tested laptops playable in detail settings low.
For more games that might be playable and a list of all games and graphics cards visit our Gaming List
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Notebook reviews with AMD Radeon HD 6740G2 graphics card
Acer Aspire 7560G-83524G50Mnkk : AMD A8-3520M, 17.30", 2.9 kgReview » Review Acer Aspire 7560G (Fusion) Notebook
Acer Aspire 5560G-8358G50Mnkk : AMD A8-3500M, 15.60", 2.6 kgExternal Review » Acer Aspire 5560G-8358G50Mnkk
Acer Aspire 5560G-8358G75Mnkk : AMD A8-3500M, 15.60", 2.6 kgExternal Review » Acer Aspire 5560G-8358G75Mnkk
Acer Aspire 7560G-83524G50Mnkk : AMD A8-3520M, 17.30", 2.9 kgExternal Review » Acer Aspire 7560G-83524G50Mnkk
Acer Aspire 7560G-8358G50Mnkk : AMD A8-3500M, 17.30", 2.9 kgExternal Review » Acer Aspire 7560G-8358G50Mnkk
» Comparison of GPUs
» Benchmark List
» Notebook Gaming List
Class 0 newitem
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Class 5 * Approximate position of the graphics adapter
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Klaus Hinum (Update: 2017-09- 5)
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- Average benchmark values for this graphics card
