Radeon R9 290X vs Radeon RX 6700 XT

Intro

Compare those specifications to the Radeon RX 6700 XT, which makes use of a 7 nm design. AMD has set the core frequency at 2321 MHz. The GDDR6 memory works at a speed of 2000 MHz on this specific model. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6700 XT		230 Watts
Radeon R9 290X		300 Watts
	Difference: 70 Watts (30%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6700 XT will be 23% faster than the Radeon R9 290X overall, because of its higher data rate. (explain)

Radeon RX 6700 XT		393216 MB/sec
Radeon R9 290X		320000 MB/sec
	Difference: 73216 (23%)

Texel Rate

The Radeon RX 6700 XT should be quite a bit (approximately 164%) faster with regards to anisotropic filtering than the Radeon R9 290X. (explain)

Radeon RX 6700 XT		371360 Mtexels/sec
Radeon R9 290X		140800 Mtexels/sec
	Difference: 230560 (164%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6700 XT is a better choice, by a large margin. (explain)

Radeon RX 6700 XT		148544 Mpixels/sec
Radeon R9 290X		51200 Mpixels/sec
	Difference: 97344 (190%)

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 over the external memory interface in one second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster 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 can be applied per second. This number is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.