Geforce GTX 1080 Ti vs Radeon R9 390X 8G

Intro

Compare those specs to the Radeon R9 390X 8G, which features core clock speeds of 1050 MHz on the GPU, and 1500 MHz on the 8192 MB of GDDR5 memory. It features 2816 SPUs as well as 176 Texture Address Units and 64 ROPs.

Display Graphs

Hide Graphs

Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Geforce GTX 1080 Ti		27629 points
Radeon R9 390X 8G		13555 points
	Difference: 14074 (104%)

Zcash Mining Hash Rate

Geforce GTX 1080 Ti		710 Sol/s
Radeon R9 390X 8G		330 Sol/s
	Difference: 380 (115%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 1080 Ti		250 Watts
Radeon R9 390X 8G		275 Watts
	Difference: 25 Watts (10%)

Memory Bandwidth

The Geforce GTX 1080 Ti, in theory, should be quite a bit faster than the Radeon R9 390X 8G in general. (explain)

Geforce GTX 1080 Ti		495616 MB/sec
Radeon R9 390X 8G		384000 MB/sec
	Difference: 111616 (29%)

Texel Rate

The Geforce GTX 1080 Ti is quite a bit (about 79%) more effective at AF than the Radeon R9 390X 8G. (explain)

Geforce GTX 1080 Ti		331520 Mtexels/sec
Radeon R9 390X 8G		184800 Mtexels/sec
	Difference: 146720 (79%)

Pixel Rate

The Geforce GTX 1080 Ti should be quite a bit (more or less 94%) faster with regards to full screen anti-aliasing than the Radeon R9 390X 8G, and will be able to handle higher resolutions while still performing well. (explain)

Geforce GTX 1080 Ti		130240 Mpixels/sec
Radeon R9 390X 8G		67200 Mpixels/sec
	Difference: 63040 (94%)

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 max amount of data (measured in MB per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.