GeForce RTX 2080 Ti vs Radeon R9 M395X

Intro

Compare those specifications to the Radeon R9 M395X, which features core speeds of 723 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M395X		125 Watts
GeForce RTX 2080 Ti		250 Watts
	Difference: 125 Watts (100%)

Memory Bandwidth

Theoretically speaking, the GeForce RTX 2080 Ti should be quite a bit faster than the Radeon R9 M395X in general. (explain)

GeForce RTX 2080 Ti		630784 MB/sec
Radeon R9 M395X		160000 MB/sec
	Difference: 470784 (294%)

Texel Rate

The GeForce RTX 2080 Ti should be quite a bit (approximately 297%) better at anisotropic filtering than the Radeon R9 M395X. (explain)

GeForce RTX 2080 Ti		367200 Mtexels/sec
Radeon R9 M395X		92544 Mtexels/sec
	Difference: 274656 (297%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce RTX 2080 Ti is superior to the Radeon R9 M395X, and very much so. (explain)

GeForce RTX 2080 Ti		118800 Mpixels/sec
Radeon R9 M395X		23136 Mpixels/sec
	Difference: 95664 (413%)

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 (measured in megabytes per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better 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 applied in one second. This is calculated by multiplying the total texture units 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 applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.