GeForce GTX 980 Ti vs Radeon R9 M385X

Intro

Compare those specs to the Radeon R9 M385X, which comes with core speeds of 1100 MHz on the GPU, and 1500 MHz on the 4096 MB of GDDR5 memory. It features 896 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 980 Ti should perform much faster than the Radeon R9 M385X in general. (explain)

GeForce GTX 980 Ti		336000 MB/sec
Radeon R9 M385X		96000 MB/sec
	Difference: 240000 (250%)

Texel Rate

The GeForce GTX 980 Ti should be much (more or less 186%) faster with regards to AF than the Radeon R9 M385X. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
Radeon R9 M385X		61600 Mtexels/sec
	Difference: 114400 (186%)

Pixel Rate

The GeForce GTX 980 Ti will be quite a bit (approximately 445%) more effective at anti-aliasing than the Radeon R9 M385X, and will be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
Radeon R9 M385X		17600 Mpixels/sec
	Difference: 78400 (445%)

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 maximum amount of information (in units of megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, 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 figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core 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 quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.