GeForce GTX 285 2GB vs Radeon R7 250

Intro

Compare all of that to the Radeon R7 250, which features core clock speeds of 1000 MHz on the GPU, and 1150 MHz on the 1024 MB of GDDR5 RAM. It features 384 SPUs along with 24 TAUs and 8 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250		65 Watts
GeForce GTX 285 2GB		204 Watts
	Difference: 139 Watts (214%)

Memory Bandwidth

In theory, the GeForce GTX 285 2GB should be 116% faster than the Radeon R7 250 in general, due to its higher bandwidth. (explain)

GeForce GTX 285 2GB		158976 MB/sec
Radeon R7 250		73600 MB/sec
	Difference: 85376 (116%)

Texel Rate

The GeForce GTX 285 2GB will be much (more or less 116%) better at anisotropic filtering than the Radeon R7 250. (explain)

GeForce GTX 285 2GB		51840 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 27840 (116%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 285 2GB is a better choice, by far. (explain)

GeForce GTX 285 2GB		20736 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 12736 (159%)

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 information (in units of megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 processed in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.