GeForce GTX 560 vs Radeon R9 285

Intro

Compare that to the Radeon R9 285, which comes with a core clock speed of 918 MHz and a GDDR5 memory frequency of 1375 MHz. It also uses a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

Display Graphs

Hide Graphs

Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 285		8500 points
GeForce GTX 560		3030 points
	Difference: 5470 (181%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560		150 Watts
Radeon R9 285		190 Watts
	Difference: 40 Watts (27%)

Memory Bandwidth

Performance-wise, the Radeon R9 285 should theoretically be much superior to the GeForce GTX 560 overall. (explain)

Radeon R9 285		176000 MB/sec
GeForce GTX 560		128128 MB/sec
	Difference: 47872 (37%)

Texel Rate

The Radeon R9 285 is quite a bit (about 127%) more effective at AF than the GeForce GTX 560. (explain)

Radeon R9 285		102816 Mtexels/sec
GeForce GTX 560		45360 Mtexels/sec
	Difference: 57456 (127%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 285 is superior to the GeForce GTX 560, though only just barely. (explain)

Radeon R9 285		29376 Mpixels/sec
GeForce GTX 560		25920 Mpixels/sec
	Difference: 3456 (13%)

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 over the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 can be processed in one second. This number is worked out by multiplying the total number of 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 in a second.

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