GeForce GTX 460 vs Radeon RX 580

Intro

Compare all of that to the Radeon RX 580, which comes with a GPU core clock speed of 1257 MHz, and 8192 MB of GDDR5 RAM running at 2000 MHz through a 256-bit bus. It also features 2304 Stream Processors, 144 TAUs, and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 580		13630 points
GeForce GTX 460		2557 points
	Difference: 11073 (433%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460		150 Watts
Radeon RX 580		185 Watts
	Difference: 35 Watts (23%)

Memory Bandwidth

As far as performance goes, the Radeon RX 580 should theoretically be a lot better than the GeForce GTX 460 overall. (explain)

Radeon RX 580		262144 MB/sec
GeForce GTX 460		86400 MB/sec
	Difference: 175744 (203%)

Texel Rate

The Radeon RX 580 should be quite a bit (about 379%) better at anisotropic filtering than the GeForce GTX 460. (explain)

Radeon RX 580		181008 Mtexels/sec
GeForce GTX 460		37800 Mtexels/sec
	Difference: 143208 (379%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 580 is superior to the GeForce GTX 460, by far. (explain)

Radeon RX 580		40224 Mpixels/sec
GeForce GTX 460		16200 Mpixels/sec
	Difference: 24024 (148%)

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 maximum amount of information (in units of megabytes per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 once 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 amount of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the 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 maximum number of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.