GeForce GTX 285 2GB vs Radeon R7 370 2G

Intro

Compare those specifications to the Radeon R7 370 2G, which comes with GPU clock speed of 975 MHz, and 2048 MB of GDDR5 memory set to run at 1400 MHz through a 256-bit bus. It also is comprised of 1024 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 2G		110 Watts
GeForce GTX 285 2GB		204 Watts
	Difference: 94 Watts (85%)

Memory Bandwidth

In theory, the Radeon R7 370 2G should perform a small bit faster than the GeForce GTX 285 2GB in general. (explain)

Radeon R7 370 2G		179200 MB/sec
GeForce GTX 285 2GB		158976 MB/sec
	Difference: 20224 (13%)

Texel Rate

The Radeon R7 370 2G will be a little bit (approximately 20%) better at texture filtering than the GeForce GTX 285 2GB. (explain)

Radeon R7 370 2G		62400 Mtexels/sec
GeForce GTX 285 2GB		51840 Mtexels/sec
	Difference: 10560 (20%)

Pixel Rate

The Radeon R7 370 2G will be much (approximately 50%) better at AA than the GeForce GTX 285 2GB, and capable of handling higher resolutions more effectively. (explain)

Radeon R7 370 2G		31200 Mpixels/sec
GeForce GTX 285 2GB		20736 Mpixels/sec
	Difference: 10464 (50%)

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 max amount of data (measured in MB per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.