GeForce GTX 880M vs Radeon R9 M370X

Intro

Compare all of that to the Radeon R9 M370X, which has a clock speed of 800 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit bus, and uses a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 880M is 78% faster than the Radeon R9 M370X overall, due to its higher data rate. (explain)

GeForce GTX 880M		128000 MB/sec
Radeon R9 M370X		72000 MB/sec
	Difference: 56000 (78%)

Texel Rate

The GeForce GTX 880M should be a lot (about 282%) faster with regards to anisotropic filtering than the Radeon R9 M370X. (explain)

GeForce GTX 880M		122112 Mtexels/sec
Radeon R9 M370X		32000 Mtexels/sec
	Difference: 90112 (282%)

Pixel Rate

The GeForce GTX 880M is a lot (about 139%) better at anti-aliasing than the Radeon R9 M370X, and should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 880M		30528 Mpixels/sec
Radeon R9 M370X		12800 Mpixels/sec
	Difference: 17728 (139%)

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 data (measured in MB per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.