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GeForce 9800 GTX vs Radeon HD 5750 512MB

Intro

The GeForce 9800 GTX features a core clock speed of 675 MHz and a GDDR3 memory speed of 1100 MHz. It also makes use of a 256-bit memory bus, and makes use of a 65 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 5750 512MB, which has a core clock frequency of 700 MHz and a GDDR5 memory speed of 1150 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is comprised of 720(144x5) SPUs, 36 TAUs, 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 9800 GTX 140 Watts
Difference: 54 Watts (63%)

Memory Bandwidth

The Radeon HD 5750 512MB, in theory, should perform a bit faster than the GeForce 9800 GTX in general. (explain)

Radeon HD 5750 512MB 73600 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 3200 (5%)

Texel Rate

The GeForce 9800 GTX will be quite a bit (approximately 71%) more effective at texture filtering than the Radeon HD 5750 512MB. (explain)

GeForce 9800 GTX 43200 Mtexels/sec
Radeon HD 5750 512MB 25200 Mtexels/sec
Difference: 18000 (71%)

Pixel Rate

The Radeon HD 5750 512MB will be a small bit (more or less 4%) better at full screen anti-aliasing than the GeForce 9800 GTX, and also will be capable of handling higher screen resolutions better. (explain)

Radeon HD 5750 512MB 11200 Mpixels/sec
GeForce 9800 GTX 10800 Mpixels/sec
Difference: 400 (4%)

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 9800 GTX

Amazon.com

Check prices at:

Radeon HD 5750 512MB

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 9800 GTX Radeon HD 5750 512MB
Manufacturer nVidia AMD
Year April 2008 October 13, 2009
Code Name G92 Juniper LE
Memory 512 MB 512 MB
Core Speed 675 MHz 700 MHz
Memory Speed 2200 MHz 4600 MHz
Power (Max TDP) 140 watts 86 watts
Bandwidth 70400 MB/sec 73600 MB/sec
Texel Rate 43200 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 128 720(144x5)
Texture Mapping Units 64 36
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1040 million
Bus PCIe x16 2.0 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 information (in units of MB per second) that can be moved across the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount of texture units by the core 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant 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 maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GTX

Amazon.com

Check prices at:

Radeon HD 5750 512MB

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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