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GeForce 9800 GTX vs Radeon HD 5750 1GB

Intro

The GeForce 9800 GTX uses a 65 nm design. nVidia has set the core frequency at 675 MHz. The GDDR3 memory runs at a speed of 1100 MHz on this specific card. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 5750 1GB, which comes with a clock frequency of 700 MHz and a GDDR5 memory speed of 1150 MHz. It also makes use of a 128-bit 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 1GB 86 Watts
GeForce 9800 GTX 140 Watts
Difference: 54 Watts (63%)

Memory Bandwidth

In theory, the Radeon HD 5750 1GB is 5% faster than the GeForce 9800 GTX in general, due to its higher data rate. (explain)

Radeon HD 5750 1GB 73600 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 3200 (5%)

Texel Rate

The GeForce 9800 GTX will be much (about 71%) more effective at anisotropic filtering than the Radeon HD 5750 1GB. (explain)

GeForce 9800 GTX 43200 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 18000 (71%)

Pixel Rate

The Radeon HD 5750 1GB is just a bit (about 4%) more effective at full screen anti-aliasing than the GeForce 9800 GTX, and also will be capable of handling higher resolutions more effectively. (explain)

Radeon HD 5750 1GB 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 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 9800 GTX Radeon HD 5750 1GB
Manufacturer nVidia AMD
Year April 2008 October 13, 2009
Code Name G92 Juniper LE
Memory 512 MB 1024 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 max amount of data (counted in MB per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - 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 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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