GeForce GTX 650 Ti 2GB vs Radeon R7 260X

Intro

Compare all that to the Radeon R7 260X, which comes with GPU clock speed of 1100 MHz, and 2048 MB of GDDR5 memory running at 1625 MHz through a 128-bit bus. It also is made up of 896 Stream Processors, 56 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB		110 Watts
Radeon R7 260X		115 Watts
	Difference: 5 Watts (5%)

Memory Bandwidth

Performance-wise, the Radeon R7 260X should theoretically be a small bit superior to the GeForce GTX 650 Ti 2GB in general. (explain)

Radeon R7 260X		104000 MB/sec
GeForce GTX 650 Ti 2GB		86400 MB/sec
	Difference: 17600 (20%)

Texel Rate

The Radeon R7 260X is a little bit (about 4%) more effective at texture filtering than the GeForce GTX 650 Ti 2GB. (explain)

Radeon R7 260X		61600 Mtexels/sec
GeForce GTX 650 Ti 2GB		59392 Mtexels/sec
	Difference: 2208 (4%)

Pixel Rate

The Radeon R7 260X is just a bit (approximately 19%) better at full screen anti-aliasing than the GeForce GTX 650 Ti 2GB, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon R7 260X		17600 Mpixels/sec
GeForce GTX 650 Ti 2GB		14848 Mpixels/sec
	Difference: 2752 (19%)

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 largest amount of information (measured in MB per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 that the graphics card could 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 Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.