GeForce GTX 570 vs Radeon R9 M375

Intro

Compare all of that to the Radeon R9 M375, which features a GPU core clock speed of 1015 MHz, and 4096 MB of DDR3 RAM running at 1100 MHz through a 128-bit bus. It also is comprised of 640 Stream Processors, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 570 should be a lot faster than the Radeon R9 M375 overall. (explain)

GeForce GTX 570		152000 MB/sec
Radeon R9 M375		35200 MB/sec
	Difference: 116800 (332%)

Texel Rate

The GeForce GTX 570 should be just a bit (more or less 8%) faster with regards to anisotropic filtering than the Radeon R9 M375. (explain)

GeForce GTX 570		43920 Mtexels/sec
Radeon R9 M375		40600 Mtexels/sec
	Difference: 3320 (8%)

Pixel Rate

The GeForce GTX 570 should be a lot (more or less 80%) more effective at anti-aliasing than the Radeon R9 M375, and should be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 570		29280 Mpixels/sec
Radeon R9 M375		16240 Mpixels/sec
	Difference: 13040 (80%)

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 (counted in MB per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one 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 number is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.