GeForce GTX 260 vs Radeon R7 M260X

Intro

Compare those specifications to the Radeon R7 M260X, which has GPU core speed of 825 MHz, and 2048 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also is made up of 384 SPUs, 24 TAUs, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 260 should in theory be quite a bit superior to the Radeon R7 M260X in general. (explain)

GeForce GTX 260		111888 MB/sec
Radeon R7 M260X		64000 MB/sec
	Difference: 47888 (75%)

Texel Rate

The GeForce GTX 260 should be much (approximately 86%) better at anisotropic filtering than the Radeon R7 M260X. (explain)

GeForce GTX 260		36864 Mtexels/sec
Radeon R7 M260X		19800 Mtexels/sec
	Difference: 17064 (86%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 260 is the winner, and very much so. (explain)

GeForce GTX 260		16128 Mpixels/sec
Radeon R7 M260X		6600 Mpixels/sec
	Difference: 9528 (144%)

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 max amount of data (counted in megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total amount of texture units 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 in one second.

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