AMD Radeon HD 7500G + HD 7550M Dual Graphics vs AMD Radeon HD 7590M

AMD Radeon HD 7500G + HD 7550M Dual Graphics

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The AMD Radeon HD 7500G + HD 7550M Dual Graphics is the combination of a integrated AMD Radeon HD 7500G APU processor graphics card and a dedicated entry level AMD Radeon HD 7550M 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. In our tests the CrossFire combination was at best about 5-10% faster than the single 7550M. Therefore, due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains. Only in best case scenarios a performance similar to the GeForce GT 630M is possible.

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 7590M

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The AMD Radeon HD 7590M (sometimes also called AMD Mobility Radeon HD 7590) is a middle class graphics card for laptops in 2011. It is basically a renamed Radeon HD 6650M with a 64 Bit memory bus and support for fast GDDR5 graphics memory. The fast GDDR5 memory and the cut in half memory bus should lead to a similar performance as the 6650M with 128 Bit DDR3 memory.

The 480 Stream processors are still based on the 5D architecture similar to the 5000 series. Therefore, the number of shaders is not comparable to the 1D cores of current Nvidia GPUs. The Tessellation performance should be improved (like the desktop 6800 series) with the new cards. The Stream processors can be used with DirectX 11, OpenGL 4.1, DirectCompute 11 and OpenCL. With the later two the cores can also be used for general computations like transcoding videos.

The 3D performance should be similar to the Radeon HD 6650M (see for gaming benchmarks) and therefore demanding games like Anno 2070 should only run in low to medium settings fluently.

The new UVD3 video decoder supports the decoding of MPEG-4 AVC/H.264, VC-1, MPEG-2, Flash and now also Multi-View Codec (MVC) and MPEG-4 part 2 (DivX, xVid) HD videos on the graphics card.

Furthermore, the HD 7500M series integrates a HD audio controller to transmit HD Audio (TrueHD or DTS Master Audio) over HDMI and DisplayPort (e.g. for Blu-Ray videos).

The AMD HD3D Technology offers support for Blu-Ray 3D and 3D displays (integrated and external). However, the solution is not as mature as Nvidias 3D Vision.

Thanks to Eyefinity the graphics chip is able to theoretically drive up to 5 monitors simultaneously. However, this only works if the laptop features enough DisplayPort outputs.

The power consumption of the chip should be similar to the Mobility Radeon HD 5770 and therefore suited for 15" laptops and up.

AMD Radeon HD 7500G + HD 7550M Dual GraphicsAMD Radeon HD 7590M
ManufacturerAMDAMD
Radeon HD 7500M Series
Radeon HD 7590M 480 @ 600 MHz64 Bit @ 3200 MHz
Radeon HD 7570M (compare) 400 @ 450 - 650 (Boost) MHz64 Bit @ 3200 / 1800 MHz
Radeon HD 7550M (compare) 400 @ 450 - 550 (Boost) MHz64 Bit @ 3200 / 1800 MHz
Radeon HD 7500G + HD 7550M Dual Graphics 736 @ 655 / 600 MHz128 Bit @ 1800 MHz
Radeon HD 7530M (compare) 400 @ 450 MHz64 Bit @ 1800 MHz
Radeon HD 7510M (compare) 400 @ 450 MHz64 Bit @ 1600 MHz
Radeon HD 7590M 480 @ 600 MHz64 Bit @ 3200 MHz
Radeon HD 7570M (compare) 400 @ 450 - 650 (Boost) MHz64 Bit @ 3200 / 1800 MHz
Radeon HD 7550M (compare) 400 @ 450 - 550 (Boost) MHz64 Bit @ 3200 / 1800 MHz
Radeon HD 7500G + HD 7550M Dual Graphics 736 @ 655 / 600 MHz128 Bit @ 1800 MHz
Radeon HD 7530M (compare) 400 @ 450 MHz64 Bit @ 1800 MHz
Radeon HD 7510M (compare) 400 @ 450 MHz64 Bit @ 1600 MHz
ArchitectureTerascale 3Terascale 2
736 - 480 -
Core655 / 600 MHz600 MHz
Memory1800 MHz3200 MHz
Bus128 Bit64 Bit
yesno
DirectXDirectX 11, 5.0DirectX 11, 5.0
Technology32/40 nm40 nm
Size
Introduced15.05.2012 08.01.2012
CodenameThames XT
Max. Memory1024 MB
Manufacturerhttp://www.amd.com/us/products/notebook/...

3DMark 11 - Performance 1280x720
1159 points (3%)
3DMark Vantage
P Result 1280x1024 + AMD Radeon HD 7500G + HD 7550M Dual Graphics
P GPU no PhysX 1280x1024 + AMD Radeon HD 7500G + HD 7550M Dual Graphics
3DMark 06 Standard 1280x1024 + AMD Radeon HD 7500G + HD 7550M Dual Graphics

Average Benchmarks AMD Radeon HD 7500G + HD 7550M Dual Graphics → 100%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

low 1024x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
60  fps
med. 1366x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
50.7  fps
high 1366x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
31.1  fps
Radeon HD 7500G + HD 7550M Dual Graphics:
»
Anno 2070

Anno 2070

2011
low 1024x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
48.8  fps
med. 1366x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
21.9  fps
high 1366x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
14.5  fps
Radeon HD 7500G + HD 7550M Dual Graphics:
»
low 1024x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
15.5  fps
med. 1366x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
12.8  fps
high 1366x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
11.4  fps
Radeon HD 7500G + HD 7550M Dual Graphics:
»
Fifa 12

Fifa 12

2011
low 800x600
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
63.1  fps
med. 1024x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
49  fps
high 1360x768
100%
Radeon HD 7500G + HD 7550M Dual Graphics:
35  fps
Radeon HD 7500G + HD 7550M Dual Graphics:
»

Average Gaming AMD Radeon HD 7500G + HD 7550M Dual Graphics → 100%

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Redaktion, 2017-09- 8 (Update: 2017-09-11)