Geforce GTX 770 vs Radeon RX 6800

Intro

Compare all of that to the Radeon RX 6800, which has a clock frequency of 1700 MHz and a GDDR6 memory speed of 2000 MHz. It also features a 256-bit memory bus, and makes use of a 7 nm design. It features 3840 SPUs, 240 Texture Address Units, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 770		230 Watts
Radeon RX 6800		250 Watts
	Difference: 20 Watts (9%)

Memory Bandwidth

The Radeon RX 6800 should theoretically be much faster than the Geforce GTX 770 overall. (explain)

Radeon RX 6800		524288 MB/sec
Geforce GTX 770		224384 MB/sec
	Difference: 299904 (134%)

Texel Rate

The Radeon RX 6800 should be a lot (more or less 205%) faster with regards to texture filtering than the Geforce GTX 770. (explain)

Radeon RX 6800		408000 Mtexels/sec
Geforce GTX 770		133888 Mtexels/sec
	Difference: 274112 (205%)

Pixel Rate

The Radeon RX 6800 will be much (approximately 388%) faster with regards to AA than the Geforce GTX 770, and will be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon RX 6800		163200 Mpixels/sec
Geforce GTX 770		33472 Mpixels/sec
	Difference: 129728 (388%)

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 maximum amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount 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 drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.