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GeForce GTX 275 vs GeForce GTX 570

Intro

The GeForce GTX 275 features a GPU core speed of 633 MHz, and the 896 MB of GDDR3 memory is set to run at 1134 MHz through a 448-bit bus. It also is comprised of 240 SPUs, 80 TAUs, and 28 Raster Operation Units.

Compare those specifications to the GeForce GTX 570, which has clock speeds of 732 MHz on the GPU, and 950 MHz on the 1280 MB of GDDR5 memory. It features 480 SPUs along with 60 Texture Address Units and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the GeForce GTX 570 should perform just a bit faster than the GeForce GTX 275 overall. (explain)

GeForce GTX 570 152000 MB/sec
GeForce GTX 275 127008 MB/sec
Difference: 24992 (20%)

Texel Rate

The GeForce GTX 275 will be a bit (approximately 15%) better at anisotropic filtering than the GeForce GTX 570. (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 6720 (15%)

Pixel Rate

The GeForce GTX 570 is quite a bit (approximately 65%) more effective at anti-aliasing than the GeForce GTX 275, and also should be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 11556 (65%)

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 GTX 275

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.

Specifications

Display Specifications

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Model GeForce GTX 275 GeForce GTX 570
Manufacturer nVidia nVidia
Year April 9, 2009 December 2010
Code Name G200b GF110
Memory 896 MB 1280 MB
Core Speed 633 MHz 732 MHz
Memory Speed 2268 MHz 3800 MHz
Power (Max TDP) 219 watts 219 watts
Bandwidth 127008 MB/sec 152000 MB/sec
Texel Rate 50640 Mtexels/sec 43920 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 240 480
Texture Mapping Units 80 60
Render Output Units 28 40
Bus Type GDDR3 GDDR5
Bus Width 448-bit 320-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 3000 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 275

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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