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GeForce RTX 2080 Ti vs GeForce RTX 4080

Intro

The GeForce RTX 2080 Ti makes use of a 12 nm design. nVidia has clocked the core speed at 1350 MHz. The GDDR6 memory works at a speed of 1750 MHz on this specific model. It features 4352 SPUs along with 272 TAUs and 88 Rasterization Operator Units.

Compare those specifications to the GeForce RTX 4080, which has core clock speeds of 2205 MHz on the GPU, and 1400 MHz on the 16384 MB of GDDR6X RAM. It features 9728 SPUs as well as 304 Texture Address Units and 112 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080 Ti 250 Watts
GeForce RTX 4080 320 Watts
Difference: 70 Watts (28%)

Memory Bandwidth

In theory, the GeForce RTX 4080 should perform a small bit faster than the GeForce RTX 2080 Ti overall. (explain)

GeForce RTX 4080 734003 MB/sec
GeForce RTX 2080 Ti 630784 MB/sec
Difference: 103219 (16%)

Texel Rate

The GeForce RTX 4080 is much (more or less 83%) faster with regards to texture filtering than the GeForce RTX 2080 Ti. (explain)

GeForce RTX 4080 670320 Mtexels/sec
GeForce RTX 2080 Ti 367200 Mtexels/sec
Difference: 303120 (83%)

Pixel Rate

The GeForce RTX 4080 is much (approximately 108%) better at full screen anti-aliasing than the GeForce RTX 2080 Ti, and also capable of handling higher resolutions better. (explain)

GeForce RTX 4080 246960 Mpixels/sec
GeForce RTX 2080 Ti 118800 Mpixels/sec
Difference: 128160 (108%)

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

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GeForce RTX 2080 Ti

Amazon.com

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GeForce RTX 4080

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce RTX 2080 Ti GeForce RTX 4080
Manufacturer nVidia nVidia
Year September 2018 November 2022
Code Name TU102-300A-K1-A1 AD103-300-A1
Memory 11264 MB 16384 MB
Core Speed 1350 MHz 2205 MHz
Memory Speed 1750 GB/s 1400 GB/s
Power (Max TDP) 250 watts 320 watts
Bandwidth 630784 MB/sec 734003 MB/sec
Texel Rate 367200 Mtexels/sec 670320 Mtexels/sec
Pixel Rate 118800 Mpixels/sec 246960 Mpixels/sec
Unified Shaders 4352 9728
Texture Mapping Units 272 304
Render Output Units 88 112
Bus Type GDDR6 GDDR6X
Bus Width 352-bit 256-bit
Fab Process 12 nm 4 nm
Transistors (Unknown) million 45900 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 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 AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock 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 fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce RTX 2080 Ti

Amazon.com

Check prices at:

GeForce RTX 4080

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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