GeForce GTX 460 (OEM) vs Radeon R9 M395X

Intro

Compare all of that to the Radeon R9 M395X, which features a core clock frequency of 723 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M395X		125 Watts
GeForce GTX 460 (OEM)		150 Watts
	Difference: 25 Watts (20%)

Memory Bandwidth

Theoretically, the Radeon R9 M395X should perform quite a bit faster than the GeForce GTX 460 (OEM) overall. (explain)

Radeon R9 M395X		160000 MB/sec
GeForce GTX 460 (OEM)		108800 MB/sec
	Difference: 51200 (47%)

Texel Rate

The Radeon R9 M395X should be quite a bit (approximately 154%) better at AF than the GeForce GTX 460 (OEM). (explain)

Radeon R9 M395X		92544 Mtexels/sec
GeForce GTX 460 (OEM)		36400 Mtexels/sec
	Difference: 56144 (154%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 M395X is a better choice, not by a very large margin though. (explain)

Radeon R9 M395X		23136 Mpixels/sec
GeForce GTX 460 (OEM)		20800 Mpixels/sec
	Difference: 2336 (11%)

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 moved past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 are processed in one second. This is calculated by multiplying the total amount of texture units by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core 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 output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.