Geforce GTX 680 vs Radeon RX 6950 XT

Intro

Compare those specs to the Radeon RX 6950 XT, which has clock speeds of 1925 MHz on the GPU, and 2250 MHz on the 16384 MB of GDDR6 RAM. It features 5120 SPUs along with 320 Texture Address Units and 128 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680		195 Watts
Radeon RX 6950 XT		335 Watts
	Difference: 140 Watts (72%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6950 XT should theoretically be quite a bit better than the Geforce GTX 680 overall. (explain)

Radeon RX 6950 XT		589824 MB/sec
Geforce GTX 680		192256 MB/sec
	Difference: 397568 (207%)

Texel Rate

The Radeon RX 6950 XT should be quite a bit (about 378%) better at AF than the Geforce GTX 680. (explain)

Radeon RX 6950 XT		616000 Mtexels/sec
Geforce GTX 680		128768 Mtexels/sec
	Difference: 487232 (378%)

Pixel Rate

The Radeon RX 6950 XT will be quite a bit (about 665%) faster with regards to FSAA than the Geforce GTX 680, and capable of handling higher resolutions while still performing well. (explain)

Radeon RX 6950 XT		246400 Mpixels/sec
Geforce GTX 680		32192 Mpixels/sec
	Difference: 214208 (665%)

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 maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs 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 rate also depends on many 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.