GeForce GTX 275 vs Radeon R9 M365X

Intro

Compare that to the Radeon R9 M365X, which features a clock frequency of 925 MHz and a GDDR5 memory speed of 1125 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 275 should in theory perform quite a bit faster than the Radeon R9 M365X in general. (explain)

GeForce GTX 275		127008 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 55008 (76%)

Texel Rate

The GeForce GTX 275 should be a lot (approximately 37%) more effective at AF than the Radeon R9 M365X. (explain)

GeForce GTX 275		50640 Mtexels/sec
Radeon R9 M365X		37000 Mtexels/sec
	Difference: 13640 (37%)

Pixel Rate

The GeForce GTX 275 will be a small bit (more or less 20%) more effective at anti-aliasing than the Radeon R9 M365X, and able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 275		17724 Mpixels/sec
Radeon R9 M365X		14800 Mpixels/sec
	Difference: 2924 (20%)

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 megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record 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 - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.