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GeForce 8800 GTX vs Radeon HD 5750 512MB

Intro

The GeForce 8800 GTX makes use of a 90 nm design. nVidia has set the core frequency at 575 MHz. The GDDR3 RAM runs at a frequency of 900 MHz on this card. It features 128 SPUs along with 64 TAUs and 24 ROPs.

Compare those specs to the Radeon HD 5750 512MB, which has GPU clock speed of 700 MHz, and 512 MB of GDDR5 RAM running at 1150 MHz through a 128-bit bus. It also features 720(144x5) Stream Processors, 36 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB 86 Watts
GeForce 8800 GTX 155 Watts
Difference: 69 Watts (80%)

Memory Bandwidth

The GeForce 8800 GTX should theoretically perform a small bit faster than the Radeon HD 5750 512MB in general. (explain)

GeForce 8800 GTX 86400 MB/sec
Radeon HD 5750 512MB 73600 MB/sec
Difference: 12800 (17%)

Texel Rate

The GeForce 8800 GTX is a lot (more or less 46%) better at texture filtering than the Radeon HD 5750 512MB. (explain)

GeForce 8800 GTX 36800 Mtexels/sec
Radeon HD 5750 512MB 25200 Mtexels/sec
Difference: 11600 (46%)

Pixel Rate

The GeForce 8800 GTX is quite a bit (about 23%) better at full screen anti-aliasing than the Radeon HD 5750 512MB, and capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce 8800 GTX 13800 Mpixels/sec
Radeon HD 5750 512MB 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

Display Prices

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GeForce 8800 GTX

Amazon.com

Radeon HD 5750 512MB

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 512MB
Manufacturer nVidia AMD
Year Nov 2006 October 13, 2009
Code Name G80 Juniper LE
Memory 768 MB 512 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 maximum amount of information (in units of MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen 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 by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 maximum amount of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the 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 512MB

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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