Radeon RX 6650 XT vs Radeon RX 6950 XT

Intro

Compare all of that to the Radeon RX 6950 XT, which makes use of a 7 nm design. AMD has set the core frequency at 1925 MHz. The GDDR6 RAM runs at a speed of 2250 MHz on this particular card. 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)

Radeon RX 6650 XT		176 Watts
Radeon RX 6950 XT		335 Watts
	Difference: 159 Watts (90%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6950 XT should in theory be a lot superior to the Radeon RX 6650 XT overall. (explain)

Radeon RX 6950 XT		589824 MB/sec
Radeon RX 6650 XT		287072 MB/sec
	Difference: 302752 (105%)

Texel Rate

The Radeon RX 6950 XT is a lot (approximately 134%) better at AF than the Radeon RX 6650 XT. (explain)

Radeon RX 6950 XT		616000 Mtexels/sec
Radeon RX 6650 XT		263040 Mtexels/sec
	Difference: 352960 (134%)

Pixel Rate

The Radeon RX 6950 XT is quite a bit (about 87%) more effective at anti-aliasing than the Radeon RX 6650 XT, and will be able to handle higher resolutions without slowing down too much. (explain)

Radeon RX 6950 XT		246400 Mpixels/sec
Radeon RX 6650 XT		131520 Mpixels/sec
	Difference: 114880 (87%)

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 data (counted in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should 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 higher screen resolutions.

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

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