Radeon R9 270 vs Radeon RX 6600

Intro

Compare all of that to the Radeon RX 6600, which has GPU clock speed of 1626 MHz, and 8192 MB of GDDR6 RAM set to run at 1750 MHz through a 128-bit bus. It also features 1792 Stream Processors, 112 Texture Address Units, and 64 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600		132 Watts
Radeon R9 270		150 Watts
	Difference: 18 Watts (14%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6600 should perform much faster than the Radeon R9 270 in general. (explain)

Radeon RX 6600		229376 MB/sec
Radeon R9 270		179200 MB/sec
	Difference: 50176 (28%)

Texel Rate

The Radeon RX 6600 will be much (more or less 153%) better at AF than the Radeon R9 270. (explain)

Radeon RX 6600		182112 Mtexels/sec
Radeon R9 270		72000 Mtexels/sec
	Difference: 110112 (153%)

Pixel Rate

The Radeon RX 6600 is a lot (approximately 261%) better at full screen anti-aliasing than the Radeon R9 270, and capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 6600		104064 Mpixels/sec
Radeon R9 270		28800 Mpixels/sec
	Difference: 75264 (261%)

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 MB per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the 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 are applied in one second. This is worked out by multiplying the total number of texture units by the core clock 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that 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 the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.