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GeForce RTX 2080 Ti vs Geforce GTX 1080 Ti

Intro

The GeForce RTX 2080 Ti has core clock speeds of 1350 MHz on the GPU, and 14 MHz on the 11264 MB of GDDR6 memory. It features 4352 SPUs as well as 272 TAUs and 88 Rasterization Operator Units.

Compare all that to the Geforce GTX 1080 Ti, which has GPU core speed of 1480 MHz, and 11264 MB of GDDR5X RAM set to run at 1376 MHz through a 352-bit bus. It also is comprised of 3584 Stream Processors, 224 Texture Address Units, and 88 ROPs.

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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 RTX 2080 Ti 31381 points
Geforce GTX 1080 Ti 27629 points
Difference: 3752 (14%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the GeForce RTX 2080 Ti will be 27% quicker than the Geforce GTX 1080 Ti overall, due to its higher bandwidth. (explain)

GeForce RTX 2080 Ti 630784 MB/sec
Geforce GTX 1080 Ti 495616 MB/sec
Difference: 135168 (27%)

Texel Rate

The GeForce RTX 2080 Ti is a small bit (more or less 11%) better at anisotropic filtering than the Geforce GTX 1080 Ti. (explain)

GeForce RTX 2080 Ti 367200 Mtexels/sec
Geforce GTX 1080 Ti 331520 Mtexels/sec
Difference: 35680 (11%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Geforce GTX 1080 Ti is a better choice, but only just. (explain)

Geforce GTX 1080 Ti 130240 Mpixels/sec
GeForce RTX 2080 Ti 118800 Mpixels/sec
Difference: 11440 (10%)

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

Check prices at:

Geforce GTX 1080 Ti

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.

Specifications

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Model GeForce RTX 2080 Ti Geforce GTX 1080 Ti
Manufacturer nVidia nVidia
Year September 2018 March 2017
Code Name TU102-300A-K1-A1 GP102
Memory 11264 MB 11264 MB
Core Speed 1350 MHz 1480 MHz
Memory Speed 14 GB/s 11008 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 630784 MB/sec 495616 MB/sec
Texel Rate 367200 Mtexels/sec 331520 Mtexels/sec
Pixel Rate 118800 Mpixels/sec 130240 Mpixels/sec
Unified Shaders 4352 3584
Texture Mapping Units 272 224
Render Output Units 88 88
Bus Type GDDR6 GDDR5X
Bus Width 352-bit 352-bit
Fab Process 12 nm 16 nm
Transistors (Unknown) million 12000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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

Display Prices

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GeForce RTX 2080 Ti

Amazon.com

Check prices at:

Geforce GTX 1080 Ti

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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