Radeon R7 250 vs Radeon R7 250X

Intro

Compare those specs to the Radeon R7 250X, which features GPU core speed of 1000 MHz, and 1024 MB of GDDR5 memory set to run at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 TAUs, and 16 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R7 250X		2860 points
Radeon R7 250		1836 points
	Difference: 1024 (56%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250		65 Watts
Radeon R7 250X		95 Watts
	Difference: 30 Watts (46%)

Memory Bandwidth

In theory, the Radeon R7 250 should be a bit faster than the Radeon R7 250X in general. (explain)

Radeon R7 250		73600 MB/sec
Radeon R7 250X		72000 MB/sec
	Difference: 1600 (2%)

Texel Rate

The Radeon R7 250X will be quite a bit (more or less 67%) more effective at texture filtering than the Radeon R7 250. (explain)

Radeon R7 250X		40000 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 16000 (67%)

Pixel Rate

The Radeon R7 250X should be quite a bit (about 100%) better at AA than the Radeon R7 250, and should be able to handle higher resolutions without losing too much performance. (explain)

Radeon R7 250X		16000 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 8000 (100%)

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 (measured in megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 are applied per second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 most pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.