GeForce GTX 285 2GB vs Radeon R9 M370X

Intro

Compare those specifications to the Radeon R9 M370X, which features GPU clock speed of 800 MHz, and 2048 MB of GDDR5 RAM running at 1125 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 285 2GB should in theory be a lot superior to the Radeon R9 M370X overall. (explain)

GeForce GTX 285 2GB		158976 MB/sec
Radeon R9 M370X		72000 MB/sec
	Difference: 86976 (121%)

Texel Rate

The GeForce GTX 285 2GB should be a lot (approximately 62%) better at texture filtering than the Radeon R9 M370X. (explain)

GeForce GTX 285 2GB		51840 Mtexels/sec
Radeon R9 M370X		32000 Mtexels/sec
	Difference: 19840 (62%)

Pixel Rate

The GeForce GTX 285 2GB will be a lot (approximately 62%) more effective at full screen anti-aliasing than the Radeon R9 M370X, and should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 285 2GB		20736 Mpixels/sec
Radeon R9 M370X		12800 Mpixels/sec
	Difference: 7936 (62%)

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: Bandwidth is the max amount of information (measured in MB per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.