Radeon RX 460 vs Radeon RX 580

Intro

Compare all that to the Radeon RX 580, which comes with clock speeds of 1257 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 memory. It features 2304 SPUs as well as 144 Texture Address Units and 32 Rasterization Operator Units.

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
Radeon RX 460		5595 points
	Difference: 8035 (144%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460		75 Watts
Radeon RX 580		185 Watts
	Difference: 110 Watts (147%)

Memory Bandwidth

As far as performance goes, the Radeon RX 580 should in theory be a lot superior to the Radeon RX 460 overall. (explain)

Radeon RX 580		262144 MB/sec
Radeon RX 460		112000 MB/sec
	Difference: 150144 (134%)

Texel Rate

The Radeon RX 580 will be a lot (more or less 197%) faster with regards to texture filtering than the Radeon RX 460. (explain)

Radeon RX 580		181008 Mtexels/sec
Radeon RX 460		61040 Mtexels/sec
	Difference: 119968 (197%)

Pixel Rate

The Radeon RX 580 should be a lot (more or less 131%) more effective at AA than the Radeon RX 460, and should be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 580		40224 Mpixels/sec
Radeon RX 460		17440 Mpixels/sec
	Difference: 22784 (131%)

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 (measured in megabytes per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher 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 the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure 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 outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.