Radeon RX 480 4GB vs Radeon RX 580

Intro

Compare those specs to the Radeon RX 580, which comes with GPU core speed of 1257 MHz, and 8192 MB of GDDR5 memory set to run at 2000 MHz through a 256-bit bus. It also features 2304 SPUs, 144 Texture Address Units, 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.

Zcash Mining Hash Rate

Radeon RX 580		315 Sol/s
Radeon RX 480 4GB		267 Sol/s
	Difference: 48 (18%)

Ethereum Mining Hash Rate

Radeon RX 580		28 Mh/s
Radeon RX 480 4GB		25 Mh/s
	Difference: 3 (12%)

Monero Mining Hash Rate

Radeon RX 480 4GB		800 h/s
Radeon RX 580		650 h/s
	Difference: 150 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB		150 Watts
Radeon RX 580		185 Watts
	Difference: 35 Watts (23%)

Memory Bandwidth

As far as performance goes, the Radeon RX 580 should in theory be a bit superior to the Radeon RX 480 4GB in general. (explain)

Radeon RX 580		262144 MB/sec
Radeon RX 480 4GB		229376 MB/sec
	Difference: 32768 (14%)

Texel Rate

The Radeon RX 580 should be just a bit (about 12%) better at anisotropic filtering than the Radeon RX 480 4GB. (explain)

Radeon RX 580		181008 Mtexels/sec
Radeon RX 480 4GB		161280 Mtexels/sec
	Difference: 19728 (12%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 580 is a better choice, but it probably won't make a huge difference. (explain)

Radeon RX 580		40224 Mpixels/sec
Radeon RX 480 4GB		35840 Mpixels/sec
	Difference: 4384 (12%)

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 past the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as 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 - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.