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GeForce 8600 GT 512MB DDR2 vs Radeon HD 7750

Intro

The GeForce 8600 GT 512MB DDR2 has a clock speed of 540 MHz and a DDR2 memory frequency of 400 MHz. It also uses a 128-bit bus, and makes use of a 80 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare all that to the Radeon HD 7750, which has a clock frequency of 800 MHz and a GDDR5 memory speed of 1125 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is made up of 512 SPUs, 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

Theoretically speaking, the Radeon HD 7750 is 463% faster than the GeForce 8600 GT 512MB DDR2 overall, because of its greater data rate. (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 (more or less 196%) more effective at 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

The Radeon HD 7750 should be quite a bit (approximately 196%) faster with regards to AA than the GeForce 8600 GT 512MB DDR2, and also will be capable of handling higher resolutions without slowing down too much. (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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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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.

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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