GeForce GTX 460 1GB vs Radeon R9 M365X

Intro

Compare those specifications to the Radeon R9 M365X, which has a clock frequency of 925 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is made up of 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 460 1GB should theoretically be much better than the Radeon R9 M365X in general. (explain)

GeForce GTX 460 1GB		115200 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 43200 (60%)

Texel Rate

The GeForce GTX 460 1GB should be a little bit (more or less 2%) better at AF than the Radeon R9 M365X. (explain)

GeForce GTX 460 1GB		37800 Mtexels/sec
Radeon R9 M365X		37000 Mtexels/sec
	Difference: 800 (2%)

Pixel Rate

The GeForce GTX 460 1GB should be a lot (approximately 46%) better at full screen anti-aliasing than the Radeon R9 M365X, and should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 460 1GB		21600 Mpixels/sec
Radeon R9 M365X		14800 Mpixels/sec
	Difference: 6800 (46%)

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 megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's 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 texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock 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 fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.