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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 set the core speed at 1350 MHz. The GDDR6 memory runs at a speed of 1750 MHz on this specific card. It features 4352 SPUs along with 272 Texture Address Units and 88 ROPs.

Compare that to the GeForce RTX 4080, which comes with GPU core speed of 2205 MHz, and 16384 MB of GDDR6X RAM set to run at 1400 MHz through a 256-bit bus. It also is comprised of 9728 Stream Processors, 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 be 16% faster than the GeForce RTX 2080 Ti in general, due to its higher bandwidth. (explain)

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

Texel Rate

The GeForce RTX 4080 will be a lot (about 83%) more effective at anisotropic 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

If running with lots of anti-aliasing is important to you, then the GeForce RTX 4080 is the winner, by a large margin. (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 maximum amount of data (in units of MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video 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 number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max 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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