GeForce GTX 1050 3GB vs Radeon HD 6990

Intro

Compare that to the Radeon HD 6990, which features a clock frequency of 830 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It is comprised of 1536 SPUs, 96 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1050 3GB		75 Watts
Radeon HD 6990		375 Watts
	Difference: 300 Watts (400%)

Memory Bandwidth

The Radeon HD 6990 should theoretically perform quite a bit faster than the GeForce GTX 1050 3GB in general. (explain)

Radeon HD 6990		320000 MB/sec
GeForce GTX 1050 3GB		86016 MB/sec
	Difference: 233984 (272%)

Texel Rate

The Radeon HD 6990 will be much (more or less 139%) better at AF than the GeForce GTX 1050 3GB. (explain)

Radeon HD 6990		159360 Mtexels/sec
GeForce GTX 1050 3GB		66816 Mtexels/sec
	Difference: 92544 (139%)

Pixel Rate

The Radeon HD 6990 should be quite a bit (more or less 59%) faster with regards to anti-aliasing than the GeForce GTX 1050 3GB, and also capable of handling higher screen resolutions while still performing well. (explain)

Radeon HD 6990		53120 Mpixels/sec
GeForce GTX 1050 3GB		33408 Mpixels/sec
	Difference: 19712 (59%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of 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 one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.