GeForce GTX 560 Ti 448 vs Radeon R9 M295X

Intro

Compare those specifications to the Radeon R9 M295X, which features a clock frequency of 750 MHz and a GDDR5 memory speed of 1375 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X		125 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 85 Watts (68%)

Memory Bandwidth

Theoretically, the Radeon R9 M295X should perform a lot faster than the GeForce GTX 560 Ti 448 in general. (explain)

Radeon R9 M295X		176000 MB/sec
GeForce GTX 560 Ti 448		144000 MB/sec
	Difference: 32000 (22%)

Texel Rate

The Radeon R9 M295X will be a lot (more or less 134%) more effective at AF than the GeForce GTX 560 Ti 448. (explain)

Radeon R9 M295X		96000 Mtexels/sec
GeForce GTX 560 Ti 448		40992 Mtexels/sec
	Difference: 55008 (134%)

Pixel Rate

The GeForce GTX 560 Ti 448 will be a lot (about 22%) better at full screen anti-aliasing than the Radeon R9 M295X, and should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
Radeon R9 M295X		24000 Mpixels/sec
	Difference: 5280 (22%)

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 largest amount of data (measured in megabytes per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.