Geforce GTX 770 vs Radeon R9 M375

Intro

Compare that to the Radeon R9 M375, which comes with a GPU core clock speed of 1015 MHz, and 4096 MB of DDR3 RAM set to run at 1100 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Geforce GTX 770 should theoretically be quite a bit better than the Radeon R9 M375 in general. (explain)

Geforce GTX 770		224384 MB/sec
Radeon R9 M375		35200 MB/sec
	Difference: 189184 (537%)

Texel Rate

The Geforce GTX 770 should be quite a bit (more or less 230%) better at AF than the Radeon R9 M375. (explain)

Geforce GTX 770		133888 Mtexels/sec
Radeon R9 M375		40600 Mtexels/sec
	Difference: 93288 (230%)

Pixel Rate

The Geforce GTX 770 is quite a bit (approximately 106%) more effective at FSAA than the Radeon R9 M375, and also capable of handling higher screen resolutions more effectively. (explain)

Geforce GTX 770		33472 Mpixels/sec
Radeon R9 M375		16240 Mpixels/sec
	Difference: 17232 (106%)

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 largest amount of data (counted in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure 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 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 number of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of 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.