Radeon R9 295X2 vs Radeon RX 6600 XT

Intro

Compare those specifications to the Radeon RX 6600 XT, which has core clock speeds of 1968 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR6 RAM. It features 2048 SPUs along with 128 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 XT		160 Watts
Radeon R9 295X2		500 Watts
	Difference: 340 Watts (213%)

Memory Bandwidth

Theoretically, the Radeon R9 295X2 should perform much faster than the Radeon RX 6600 XT overall. (explain)

Radeon R9 295X2		640000 MB/sec
Radeon RX 6600 XT		262144 MB/sec
	Difference: 377856 (144%)

Texel Rate

The Radeon R9 295X2 is quite a bit (more or less 42%) better at anisotropic filtering than the Radeon RX 6600 XT. (explain)

Radeon R9 295X2		358336 Mtexels/sec
Radeon RX 6600 XT		251904 Mtexels/sec
	Difference: 106432 (42%)

Pixel Rate

The Radeon R9 295X2 should be a bit (about 3%) better at FSAA than the Radeon RX 6600 XT, and also capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Radeon RX 6600 XT		125952 Mpixels/sec
	Difference: 4352 (3%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If 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 number of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines 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 output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.