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GeForce 9800 GTX vs GeForce GTX 570

Intro

The GeForce 9800 GTX comes with core clock speeds of 675 MHz on the GPU, and 1100 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.

Compare those specifications to the GeForce GTX 570, which makes use of a 40 nm design. nVidia has set the core frequency at 732 MHz. The GDDR5 RAM works at a frequency of 950 MHz on this card. It features 480 SPUs as well as 60 Texture Address Units and 40 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GTX 140 Watts
GeForce GTX 570 219 Watts
Difference: 79 Watts (56%)

Memory Bandwidth

Performance-wise, the GeForce GTX 570 should in theory be much superior to the GeForce 9800 GTX overall. (explain)

GeForce GTX 570 152000 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 81600 (116%)

Texel Rate

The GeForce GTX 570 will be just a bit (approximately 2%) faster with regards to AF than the GeForce 9800 GTX. (explain)

GeForce GTX 570 43920 Mtexels/sec
GeForce 9800 GTX 43200 Mtexels/sec
Difference: 720 (2%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 570 is a better choice, by far. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce 9800 GTX 10800 Mpixels/sec
Difference: 18480 (171%)

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

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GeForce GTX 570

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 GeForce GTX 570
Manufacturer nVidia nVidia
Year April 2008 December 2010
Code Name G92 GF110
Memory 512 MB 1280 MB
Core Speed 675 MHz 732 MHz
Memory Speed 2200 MHz 3800 MHz
Power (Max TDP) 140 watts 219 watts
Bandwidth 70400 MB/sec 152000 MB/sec
Texel Rate 43200 Mtexels/sec 43920 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 128 480
Texture Mapping Units 64 60
Render Output Units 16 40
Bus Type GDDR3 GDDR5
Bus Width 256-bit 320-bit
Fab Process 65 nm 40 nm
Transistors 754 million 3000 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. 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 fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 9800 GTX

Amazon.com

Check prices at:

GeForce GTX 570

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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