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GeForce 8800 GTX vs Radeon HD 5750 1GB

Intro

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

Compare all of that to the Radeon HD 5750 1GB, which uses a 40 nm design. AMD has clocked the core speed at 700 MHz. The GDDR5 RAM is set to run at a speed 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

Performance-wise, the GeForce 8800 GTX should in theory be a little bit better than the Radeon HD 5750 1GB in general. (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 (more or less 46%) more effective at texture 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 a high screen resolution is important to you, then the GeForce 8800 GTX is the winner, and very much so. (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

Check prices at:

Radeon HD 5750 1GB

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 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: Bandwidth is the largest amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. 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 also depends on many other factors, most notably the memory bandwidth - 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

Check prices at:

Radeon HD 5750 1GB

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.

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