Radeon R9 290 vs Radeon RX 6700 XT

Intro

Compare that to the Radeon RX 6700 XT, which has GPU clock speed of 2321 MHz, and (Unknown) MB of GDDR6 RAM running at 2000 MHz through a 192-bit bus. It also features 2560 SPUs, 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 290		300 Watts
	Difference: 70 Watts (30%)

Memory Bandwidth

In theory, the Radeon RX 6700 XT will be 23% faster than the Radeon R9 290 overall, due to its greater data rate. (explain)

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

Texel Rate

The Radeon RX 6700 XT will be quite a bit (about 190%) more effective at AF than the Radeon R9 290. (explain)

Radeon RX 6700 XT		371360 Mtexels/sec
Radeon R9 290		128000 Mtexels/sec
	Difference: 243360 (190%)

Pixel Rate

If using 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 290		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: Bandwidth is the largest amount of information (in units of MB per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number of texture units by the core 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.