GeForce GTX 275 vs Radeon R9 M365X

Intro

Compare those specifications to the Radeon R9 M365X, which comes with core clock speeds of 925 MHz on the GPU, and 1125 MHz on the 4096 MB of GDDR5 RAM. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 275 should perform quite a bit faster than the Radeon R9 M365X overall. (explain)

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

Texel Rate

The GeForce GTX 275 should be much (more or less 37%) more effective at anisotropic filtering 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 is a little bit (approximately 20%) better at FSAA than the Radeon R9 M365X, and also will be capable of handling higher resolutions more effectively. (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 information (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics 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 number of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines 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 fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.