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GeForce 8800 GTX vs Radeon HD 5750 1GB

Intro

The GeForce 8800 GTX comes with core speeds of 575 MHz on the GPU, and 900 MHz on the 768 MB of GDDR3 RAM. It features 128 SPUs as well as 64 Texture Address Units and 24 ROPs.

Compare that to the Radeon HD 5750 1GB, which makes use of a 40 nm design. AMD has clocked the core frequency at 700 MHz. The GDDR5 memory is set to run at a frequency of 1150 MHz on this specific card. It features 720(144x5) SPUs as well as 36 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB 86 Watts
GeForce 8800 GTX 155 Watts
Difference: 69 Watts (80%)

Memory Bandwidth

The GeForce 8800 GTX should theoretically perform a bit faster than the Radeon HD 5750 1GB overall. (explain)

GeForce 8800 GTX 86400 MB/sec
Radeon HD 5750 1GB 73600 MB/sec
Difference: 12800 (17%)

Texel Rate

The GeForce 8800 GTX is quite a bit (about 46%) more effective at anisotropic filtering than the Radeon HD 5750 1GB. (explain)

GeForce 8800 GTX 36800 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 11600 (46%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 8800 GTX is superior to the Radeon HD 5750 1GB, by a large margin. (explain)

GeForce 8800 GTX 13800 Mpixels/sec
Radeon HD 5750 1GB 11200 Mpixels/sec
Difference: 2600 (23%)

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 8800 GTX

Amazon.com

Radeon HD 5750 1GB

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 8800 GTX Radeon HD 5750 1GB
Manufacturer nVidia AMD
Year Nov 2006 October 13, 2009
Code Name G80 Juniper LE
Memory 768 MB 1024 MB
Core Speed 575 MHz 700 MHz
Memory Speed 1800 MHz 4600 MHz
Power (Max TDP) 155 watts 86 watts
Bandwidth 86400 MB/sec 73600 MB/sec
Texel Rate 36800 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 128 720(144x5)
Texture Mapping Units 64 36
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 40 nm
Transistors 681 million 1040 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 amount of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. 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 ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

Amazon.com

Radeon HD 5750 1GB

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.

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