Radeon RX 480 4GB vs Radeon RX 5700

Intro

Compare all of that to the Radeon RX 5700, which makes use of a 7 nm design. AMD has clocked the core frequency at 1465 MHz. The GDDR6 memory works at a speed of 1750 MHz on this model. It features 2304 SPUs along with 144 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB		150 Watts
Radeon RX 5700		180 Watts
	Difference: 30 Watts (20%)

Memory Bandwidth

In theory, the Radeon RX 5700 should be 100% faster than the Radeon RX 480 4GB overall, due to its higher data rate. (explain)

Radeon RX 5700		458752 MB/sec
Radeon RX 480 4GB		229376 MB/sec
	Difference: 229376 (100%)

Texel Rate

The Radeon RX 5700 will be much (approximately 31%) more effective at texture filtering than the Radeon RX 480 4GB. (explain)

Radeon RX 5700		210960 Mtexels/sec
Radeon RX 480 4GB		161280 Mtexels/sec
	Difference: 49680 (31%)

Pixel Rate

The Radeon RX 5700 is quite a bit (approximately 162%) better at anti-aliasing than the Radeon RX 480 4GB, and capable of handling higher resolutions better. (explain)

Radeon RX 5700		93760 Mpixels/sec
Radeon RX 480 4GB		35840 Mpixels/sec
	Difference: 57920 (162%)

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 past the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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