GeForce GTX 460 1GB vs Radeon R7 M260

Intro

Compare that to the Radeon R7 M260, which features GPU clock speed of 715 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 64-bit bus. It also is comprised of 384 Stream Processors, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce GTX 460 1GB should perform a lot faster than the Radeon R7 M260 in general. (explain)

GeForce GTX 460 1GB		115200 MB/sec
Radeon R7 M260		16000 MB/sec
	Difference: 99200 (620%)

Texel Rate

The GeForce GTX 460 1GB will be quite a bit (more or less 120%) more effective at AF than the Radeon R7 M260. (explain)

GeForce GTX 460 1GB		37800 Mtexels/sec
Radeon R7 M260		17160 Mtexels/sec
	Difference: 20640 (120%)

Pixel Rate

The GeForce GTX 460 1GB should be a lot (about 278%) better at full screen anti-aliasing than the Radeon R7 M260, and also will be able to handle higher resolutions better. (explain)

GeForce GTX 460 1GB		21600 Mpixels/sec
Radeon R7 M260		5720 Mpixels/sec
	Difference: 15880 (278%)

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 maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the 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 number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.