Radeon R7 250X 2GB vs Radeon RX 5500

Intro

Compare those specifications to the Radeon RX 5500, which features a clock speed of 1670 MHz and a GDDR6 memory frequency of 1750 MHz. It also features a 128-bit memory bus, and makes use of a 7 nm design. It is comprised of 1408 SPUs, 88 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB		95 Watts
Radeon RX 5500		150 Watts
	Difference: 55 Watts (58%)

Memory Bandwidth

The Radeon RX 5500, in theory, should perform much faster than the Radeon R7 250X 2GB in general. (explain)

Radeon RX 5500		229376 MB/sec
Radeon R7 250X 2GB		72000 MB/sec
	Difference: 157376 (219%)

Texel Rate

The Radeon RX 5500 should be quite a bit (more or less 267%) better at AF than the Radeon R7 250X 2GB. (explain)

Radeon RX 5500		146960 Mtexels/sec
Radeon R7 250X 2GB		40000 Mtexels/sec
	Difference: 106960 (267%)

Pixel Rate

The Radeon RX 5500 will be much (approximately 234%) better at FSAA than the Radeon R7 250X 2GB, and also should be able to handle higher resolutions better. (explain)

Radeon RX 5500		53440 Mpixels/sec
Radeon R7 250X 2GB		16000 Mpixels/sec
	Difference: 37440 (234%)

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 data (counted in megabytes per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 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 AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.