Radeon R9 285 vs Radeon RX 5700 XT

Intro

Compare all that to the Radeon RX 5700 XT, which has clock speeds of 1605 MHz on the GPU, and 1750 MHz on the 8096 MB of GDDR6 RAM. It features 2560 SPUs along with 160 TAUs and 64 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 285		190 Watts
Radeon RX 5700 XT		225 Watts
	Difference: 35 Watts (18%)

Memory Bandwidth

Performance-wise, the Radeon RX 5700 XT should theoretically be much superior to the Radeon R9 285 overall. (explain)

Radeon RX 5700 XT		458752 MB/sec
Radeon R9 285		176000 MB/sec
	Difference: 282752 (161%)

Texel Rate

The Radeon RX 5700 XT is a lot (about 150%) faster with regards to texture filtering than the Radeon R9 285. (explain)

Radeon RX 5700 XT		256800 Mtexels/sec
Radeon R9 285		102816 Mtexels/sec
	Difference: 153984 (150%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 5700 XT is the winner, by far. (explain)

Radeon RX 5700 XT		102720 Mpixels/sec
Radeon R9 285		29376 Mpixels/sec
	Difference: 73344 (250%)

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 data (counted in megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the graphics 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 that the graphics card could possibly write to its local memory in one 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 - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.