GeForce GTX 260 Core 216 vs Radeon R7 260X

Intro

Compare those specs to the Radeon R7 260X, which has a core clock frequency of 1100 MHz and a GDDR5 memory speed of 1625 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It features 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X		115 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 87 Watts (76%)

Memory Bandwidth

In theory, the GeForce GTX 260 Core 216 is 8% quicker than the Radeon R7 260X overall, due to its greater bandwidth. (explain)

GeForce GTX 260 Core 216		111888 MB/sec
Radeon R7 260X		104000 MB/sec
	Difference: 7888 (8%)

Texel Rate

The Radeon R7 260X will be a lot (more or less 49%) more effective at AF than the GeForce GTX 260 Core 216. (explain)

Radeon R7 260X		61600 Mtexels/sec
GeForce GTX 260 Core 216		41472 Mtexels/sec
	Difference: 20128 (49%)

Pixel Rate

The Radeon R7 260X is a small bit (approximately 9%) faster with regards to full screen anti-aliasing than the GeForce GTX 260 Core 216, and able to handle higher resolutions while still performing well. (explain)

Radeon R7 260X		17600 Mpixels/sec
GeForce GTX 260 Core 216		16128 Mpixels/sec
	Difference: 1472 (9%)

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 information (measured in MB per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.