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GeForce GTX 275 vs GeForce GTX 580 3GB

Intro

The GeForce GTX 275 comes with core speeds of 633 MHz on the GPU, and 1134 MHz on the 896 MB of GDDR3 memory. It features 240 SPUs as well as 80 Texture Address Units and 28 ROPs.

Compare all of that to the GeForce GTX 580 3GB, which makes use of a 40 nm design. nVidia has set the core frequency at 772 MHz. The GDDR5 memory runs at a speed of 1002 MHz on this specific model. It features 512 SPUs as well as 64 TAUs and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 275 219 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 25 Watts (11%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 580 3GB is 51% quicker than the GeForce GTX 275 in general, due to its greater bandwidth. (explain)

GeForce GTX 580 3GB 192384 MB/sec
GeForce GTX 275 127008 MB/sec
Difference: 65376 (51%)

Texel Rate

The GeForce GTX 275 will be a little bit (more or less 2%) better at texture filtering than the GeForce GTX 580 3GB. (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 1232 (2%)

Pixel Rate

The GeForce GTX 580 3GB will be a lot (about 109%) faster with regards to FSAA than the GeForce GTX 275, and should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 19332 (109%)

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 580 3GB

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 GTX 275 GeForce GTX 580 3GB
Manufacturer nVidia nVidia
Year April 9, 2009 November 2010
Code Name G200b GF110
Memory 896 MB 3072 MB
Core Speed 633 MHz 772 MHz
Memory Speed 2268 MHz 4008 MHz
Power (Max TDP) 219 watts 244 watts
Bandwidth 127008 MB/sec 192384 MB/sec
Texel Rate 50640 Mtexels/sec 49408 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 37056 Mpixels/sec
Unified Shaders 240 512
Texture Mapping Units 80 64
Render Output Units 28 48
Bus Type GDDR3 GDDR5
Bus Width 448-bit 384-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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total number of texture units by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 275

Amazon.com

Check prices at:

GeForce GTX 580 3GB

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.

Comments

One Response to “GeForce GTX 275 vs GeForce GTX 580 3GB”
greg says:

polh kalh analish sinxaritiria !!!

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