GeForce GTX 960M vs Radeon R9 M375

Intro

Compare that to the Radeon R9 M375, which uses a 28 nm design. AMD has clocked the core speed at 1015 MHz. The DDR3 RAM runs at a frequency of 1100 MHz on this model. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 960M should in theory be quite a bit better than the Radeon R9 M375 in general. (explain)

GeForce GTX 960M		64000 MB/sec
Radeon R9 M375		35200 MB/sec
	Difference: 28800 (82%)

Texel Rate

The GeForce GTX 960M should be a little bit (more or less 8%) more effective at anisotropic filtering than the Radeon R9 M375. (explain)

GeForce GTX 960M		43840 Mtexels/sec
Radeon R9 M375		40600 Mtexels/sec
	Difference: 3240 (8%)

Pixel Rate

The GeForce GTX 960M is a little bit (approximately 8%) better at AA than the Radeon R9 M375, and also able to handle higher resolutions more effectively. (explain)

GeForce GTX 960M		17536 Mpixels/sec
Radeon R9 M375		16240 Mpixels/sec
	Difference: 1296 (8%)

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 information (counted in MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better 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 number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.