Radeon R7 250X vs Radeon RX 5700 XT 50th Anniversary Edition

Intro

Compare those specifications to the Radeon RX 5700 XT 50th Anniversary Edition, which makes use of a 7 nm design. AMD has set the core speed at 1680 MHz. The GDDR6 memory works at a speed of 1750 MHz on this specific model. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X		95 Watts
Radeon RX 5700 XT 50th Anniversary Edition		235 Watts
	Difference: 140 Watts (147%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 5700 XT 50th Anniversary Edition should perform quite a bit faster than the Radeon R7 250X overall. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		458752 MB/sec
Radeon R7 250X		72000 MB/sec
	Difference: 386752 (537%)

Texel Rate

The Radeon RX 5700 XT 50th Anniversary Edition will be quite a bit (approximately 572%) more effective at AF than the Radeon R7 250X. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		268800 Mtexels/sec
Radeon R7 250X		40000 Mtexels/sec
	Difference: 228800 (572%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 5700 XT 50th Anniversary Edition is superior to the Radeon R7 250X, by far. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		107520 Mpixels/sec
Radeon R7 250X		16000 Mpixels/sec
	Difference: 91520 (572%)

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 maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka 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 of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.