Radeon HD 7950 3GB vs Radeon RX 5700 XT 50th Anniversary Edition

Intro

Compare that to the Radeon RX 5700 XT 50th Anniversary Edition, which has a core clock frequency of 1680 MHz and a GDDR6 memory frequency of 1750 MHz. It also uses a 256-bit bus, and uses a 7 nm design. It is made up of 2560 SPUs, 160 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7950 3GB		200 Watts
Radeon RX 5700 XT 50th Anniversary Edition		235 Watts
	Difference: 35 Watts (18%)

Memory Bandwidth

Theoretically, the Radeon RX 5700 XT 50th Anniversary Edition should be quite a bit faster than the Radeon HD 7950 3GB overall. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		458752 MB/sec
Radeon HD 7950 3GB		240000 MB/sec
	Difference: 218752 (91%)

Texel Rate

The Radeon RX 5700 XT 50th Anniversary Edition will be quite a bit (about 200%) faster with regards to texture filtering than the Radeon HD 7950 3GB. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		268800 Mtexels/sec
Radeon HD 7950 3GB		89600 Mtexels/sec
	Difference: 179200 (200%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon RX 5700 XT 50th Anniversary Edition is a better choice, by far. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		107520 Mpixels/sec
Radeon HD 7950 3GB		25600 Mpixels/sec
	Difference: 81920 (320%)

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 max amount of information (counted in MB per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling 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 could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.