Radeon HD 6950 2GB vs Radeon RX 5600

Intro

Compare all that to the Radeon RX 5600, which uses a 7 nm design. AMD has set the core frequency at 1375 MHz. The GDDR6 RAM works at a speed of 1500 MHz on this particular model. It features 2048 SPUs as well as 128 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600		150 Watts
Radeon HD 6950 2GB		200 Watts
	Difference: 50 Watts (33%)

Memory Bandwidth

In theory, the Radeon RX 5600 is 84% quicker than the Radeon HD 6950 2GB overall, due to its greater bandwidth. (explain)

Radeon RX 5600		294912 MB/sec
Radeon HD 6950 2GB		160000 MB/sec
	Difference: 134912 (84%)

Texel Rate

The Radeon RX 5600 should be a lot (more or less 150%) more effective at texture filtering than the Radeon HD 6950 2GB. (explain)

Radeon RX 5600		176000 Mtexels/sec
Radeon HD 6950 2GB		70400 Mtexels/sec
	Difference: 105600 (150%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 5600 is superior to the Radeon HD 6950 2GB, and very much so. (explain)

Radeon RX 5600		88000 Mpixels/sec
Radeon HD 6950 2GB		25600 Mpixels/sec
	Difference: 62400 (244%)

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 (measured in megabytes per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock 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 output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.