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GeForce 8600 GT 512MB DDR2 vs Radeon HD 7750

Intro

The GeForce 8600 GT 512MB DDR2 comes with core clock speeds of 540 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 memory. It features 32 SPUs along with 16 Texture Address Units and 8 ROPs.

Compare those specs to the Radeon HD 7750, which comes with a GPU core clock speed of 800 MHz, and 1024 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also is made up of 512 Stream Processors, 32 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Radeon HD 7750 55 Watts
Difference: 8 Watts (17%)

Memory Bandwidth

In theory, the Radeon HD 7750 should perform a lot faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

Radeon HD 7750 72000 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 59200 (463%)

Texel Rate

The Radeon HD 7750 should be quite a bit (about 196%) faster with regards to anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon HD 7750 25600 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 16960 (196%)

Pixel Rate

The Radeon HD 7750 will be quite a bit (approximately 196%) more effective at FSAA than the GeForce 8600 GT 512MB DDR2, and also should be capable of handling higher resolutions while still performing well. (explain)

Radeon HD 7750 12800 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 8480 (196%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 8600 GT 512MB DDR2

Amazon.com

Radeon HD 7750

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 8600 GT 512MB DDR2 Radeon HD 7750
Manufacturer nVidia AMD
Year April 2007 February 2012
Code Name G84 Cape Verde Pro
Memory 512 MB 1024 MB
Core Speed 540 MHz 800 MHz
Memory Speed 800 MHz 4500 MHz
Power (Max TDP) 47 watts 55 watts
Bandwidth 12800 MB/sec 72000 MB/sec
Texel Rate 8640 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 32 512
Texture Mapping Units 16 32
Render Output Units 8 16
Bus Type DDR2 GDDR5
Bus Width 128-bit 128-bit
Fab Process 80 nm 28 nm
Transistors 289 million 1500 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.1
OpenGL Version OpenGL 3.0 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB DDR2

Amazon.com

Radeon HD 7750

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Comments

One Response to “GeForce 8600 GT 512MB DDR2 vs Radeon HD 7750”
Mark says:

Would my inspiron 531 desktop take the radeon hd 7750 graphics card.

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