Radeon R7 260X vs Radeon RX 5500

Intro

Compare all of that to the Radeon RX 5500, which comes with GPU clock speed of 1670 MHz, and 4096 MB of GDDR6 RAM running at 1750 MHz through a 128-bit bus. It also is made up of 1408 SPUs, 88 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X		115 Watts
Radeon RX 5500		150 Watts
	Difference: 35 Watts (30%)

Memory Bandwidth

In theory, the Radeon RX 5500 will be 121% faster than the Radeon R7 260X overall, because of its greater bandwidth. (explain)

Radeon RX 5500		229376 MB/sec
Radeon R7 260X		104000 MB/sec
	Difference: 125376 (121%)

Texel Rate

The Radeon RX 5500 should be a lot (more or less 139%) better at anisotropic filtering than the Radeon R7 260X. (explain)

Radeon RX 5500		146960 Mtexels/sec
Radeon R7 260X		61600 Mtexels/sec
	Difference: 85360 (139%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon RX 5500 is the winner, by a large margin. (explain)

Radeon RX 5500		53440 Mpixels/sec
Radeon R7 260X		17600 Mpixels/sec
	Difference: 35840 (204%)

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 information (counted in megabytes per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.