Radeon HD 6750 1GB vs Radeon RX 6500 XT

Intro

Compare that to the Radeon RX 6500 XT, which comes with a clock speed of 2200 MHz and a GDDR6 memory frequency of 2250 MHz. It also uses a 64-bit memory bus, and makes use of a 6 nm design. It is comprised of 1024 SPUs, 64 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 1GB		86 Watts
Radeon RX 6500 XT		107 Watts
	Difference: 21 Watts (24%)

Memory Bandwidth

The Radeon RX 6500 XT should in theory perform quite a bit faster than the Radeon HD 6750 1GB overall. (explain)

Radeon RX 6500 XT		147456 MB/sec
Radeon HD 6750 1GB		64000 MB/sec
	Difference: 83456 (130%)

Texel Rate

The Radeon RX 6500 XT will be quite a bit (approximately 439%) faster with regards to texture filtering than the Radeon HD 6750 1GB. (explain)

Radeon RX 6500 XT		140800 Mtexels/sec
Radeon HD 6750 1GB		26100 Mtexels/sec
	Difference: 114700 (439%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 6500 XT is a better choice, by a large margin. (explain)

Radeon RX 6500 XT		70400 Mpixels/sec
Radeon HD 6750 1GB		11600 Mpixels/sec
	Difference: 58800 (507%)

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 (in units of megabytes per second) that can be moved 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 the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen 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 clock speed of the chip. The higher this number, the better the graphics card will be at handling 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 that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.