GeForce GTX 570 vs Radeon R9 M295X

Intro

Compare those specs to the Radeon R9 M295X, which has core speeds of 750 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs along with 128 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X		125 Watts
GeForce GTX 570		219 Watts
	Difference: 94 Watts (75%)

Memory Bandwidth

As far as performance goes, the Radeon R9 M295X should theoretically be a little bit superior to the GeForce GTX 570 in general. (explain)

Radeon R9 M295X		176000 MB/sec
GeForce GTX 570		152000 MB/sec
	Difference: 24000 (16%)

Texel Rate

The Radeon R9 M295X will be quite a bit (approximately 119%) faster with regards to anisotropic filtering than the GeForce GTX 570. (explain)

Radeon R9 M295X		96000 Mtexels/sec
GeForce GTX 570		43920 Mtexels/sec
	Difference: 52080 (119%)

Pixel Rate

The GeForce GTX 570 will be quite a bit (approximately 22%) faster with regards to full screen anti-aliasing than the Radeon R9 M295X, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 570		29280 Mpixels/sec
Radeon R9 M295X		24000 Mpixels/sec
	Difference: 5280 (22%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, the result should 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 high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total texture units of the card 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 number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill 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.