Radeon R7 M260 vs Radeon R9 M375

Intro

Compare those specs to the Radeon R9 M375, which uses a 28 nm design. AMD has set the core frequency at 1015 MHz. The DDR3 memory works at a frequency of 1100 MHz on this particular model. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon R9 M375 should perform quite a bit faster than the Radeon R7 M260 overall. (explain)

Radeon R9 M375		35200 MB/sec
Radeon R7 M260		16000 MB/sec
	Difference: 19200 (120%)

Texel Rate

The Radeon R9 M375 will be a lot (more or less 137%) more effective at texture filtering than the Radeon R7 M260. (explain)

Radeon R9 M375		40600 Mtexels/sec
Radeon R7 M260		17160 Mtexels/sec
	Difference: 23440 (137%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 M375 is a better choice, by far. (explain)

Radeon R9 M375		16240 Mpixels/sec
Radeon R7 M260		5720 Mpixels/sec
	Difference: 10520 (184%)

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: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.