Radeon R7 260X vs Radeon RX 6800

Intro

Compare those specifications to the Radeon RX 6800, which comes with GPU clock speed of 1700 MHz, and 16384 MB of GDDR6 RAM set to run at 2000 MHz through a 256-bit bus. It also is comprised of 3840 SPUs, 240 Texture Address Units, and 96 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X		115 Watts
Radeon RX 6800		250 Watts
	Difference: 135 Watts (117%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 should be a lot faster than the Radeon R7 260X overall. (explain)

Radeon RX 6800		524288 MB/sec
Radeon R7 260X		104000 MB/sec
	Difference: 420288 (404%)

Texel Rate

The Radeon RX 6800 is much (approximately 562%) more effective at texture filtering than the Radeon R7 260X. (explain)

Radeon RX 6800		408000 Mtexels/sec
Radeon R7 260X		61600 Mtexels/sec
	Difference: 346400 (562%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 6800 is superior to the Radeon R7 260X, by a large margin. (explain)

Radeon RX 6800		163200 Mpixels/sec
Radeon R7 260X		17600 Mpixels/sec
	Difference: 145600 (827%)

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 (measured in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR memory, it should 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 high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core 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 fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.