Radeon R7 250X 2GB vs Radeon RX 460 2GB

Intro

Compare those specs to the Radeon RX 460 2GB, which features core speeds of 1090 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 memory. It features 896 SPUs as well as 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB		75 Watts
Radeon R7 250X 2GB		95 Watts
	Difference: 20 Watts (27%)

Memory Bandwidth

The Radeon RX 460 2GB should in theory be quite a bit faster than the Radeon R7 250X 2GB overall. (explain)

Radeon RX 460 2GB		112000 MB/sec
Radeon R7 250X 2GB		72000 MB/sec
	Difference: 40000 (56%)

Texel Rate

The Radeon RX 460 2GB should be much (about 53%) better at AF than the Radeon R7 250X 2GB. (explain)

Radeon RX 460 2GB		61040 Mtexels/sec
Radeon R7 250X 2GB		40000 Mtexels/sec
	Difference: 21040 (53%)

Pixel Rate

The Radeon RX 460 2GB should be a little bit (about 9%) faster with regards to AA than the Radeon R7 250X 2GB, and will be able to handle higher resolutions more effectively. (explain)

Radeon RX 460 2GB		17440 Mpixels/sec
Radeon R7 250X 2GB		16000 Mpixels/sec
	Difference: 1440 (9%)

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 megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR 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 by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs 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 fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.