Radeon R7 250X vs Radeon R7 260X

Intro

Compare those specifications to the Radeon R7 260X, which uses a 28 nm design. AMD has clocked the core frequency at 1100 MHz. The GDDR5 memory works at a frequency of 1625 MHz on this particular card. It features 896 SPUs along with 56 Texture Address Units 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 260X		4381 points
Radeon R7 250X		2860 points
	Difference: 1521 (53%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X		95 Watts
Radeon R7 260X		115 Watts
	Difference: 20 Watts (21%)

Memory Bandwidth

As far as performance goes, the Radeon R7 260X should in theory be much superior to the Radeon R7 250X overall. (explain)

Radeon R7 260X		104000 MB/sec
Radeon R7 250X		72000 MB/sec
	Difference: 32000 (44%)

Texel Rate

The Radeon R7 260X should be quite a bit (approximately 54%) faster with regards to texture filtering than the Radeon R7 250X. (explain)

Radeon R7 260X		61600 Mtexels/sec
Radeon R7 250X		40000 Mtexels/sec
	Difference: 21600 (54%)

Pixel Rate

The Radeon R7 260X will be just a bit (about 10%) more effective at AA than the Radeon R7 250X, and should be able to handle higher resolutions more effectively. (explain)

Radeon R7 260X		17600 Mpixels/sec
Radeon R7 250X		16000 Mpixels/sec
	Difference: 1600 (10%)

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 information (measured in megabytes per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR 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 anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. 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 output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.