Radeon R7 250 vs Radeon RX 7900 XTX

Intro

Compare those specifications to the Radeon RX 7900 XTX, which comes with clock speeds of 1855 MHz on the GPU, and 2500 MHz on the 24576 MB of GDDR6 RAM. It features 6144 SPUs along with 384 Texture Address Units and 192 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250		65 Watts
Radeon RX 7900 XTX		355 Watts
	Difference: 290 Watts (446%)

Memory Bandwidth

In theory, the Radeon RX 7900 XTX is 1236% faster than the Radeon R7 250 in general, because of its higher data rate. (explain)

Radeon RX 7900 XTX		983040 MB/sec
Radeon R7 250		73600 MB/sec
	Difference: 909440 (1236%)

Texel Rate

The Radeon RX 7900 XTX should be a lot (approximately 2868%) more effective at AF than the Radeon R7 250. (explain)

Radeon RX 7900 XTX		712320 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 688320 (2868%)

Pixel Rate

The Radeon RX 7900 XTX will be a lot (more or less 4352%) better at full screen anti-aliasing than the Radeon R7 250, and capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 7900 XTX		356160 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 348160 (4352%)

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 largest amount of data (measured in MB per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out 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 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 most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.