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GeForce 8600 GT 512MB DDR2 vs Radeon HD 7750

Intro

The GeForce 8600 GT 512MB DDR2 uses a 80 nm design. nVidia has clocked the core frequency at 540 MHz. The DDR2 RAM works at a speed of 400 MHz on this specific card. It features 32 SPUs along with 16 Texture Address Units and 8 ROPs.

Compare all of that to the Radeon HD 7750, which features a core clock speed of 800 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is made up of 512 SPUs, 32 Texture Address Units, and 16 Raster Operation Units.

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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

Performance-wise, the Radeon HD 7750 should theoretically be quite a bit superior to the GeForce 8600 GT 512MB DDR2 in general. (explain)

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

Texel Rate

The Radeon HD 7750 is a lot (about 196%) faster with regards to texture 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

If running with high levels of AA is important to you, then the Radeon HD 7750 is the winner, and very much so. (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

Check prices at:

Radeon HD 7750

Amazon.com

Check prices at:

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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon HD 7750

Amazon.com

Check prices at:

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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