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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 RAM. It features 4352 SPUs as well as 272 TAUs and 88 ROPs.

Compare those specs to the Geforce GTX 1080 Ti, which features a core clock speed of 1480 MHz and a GDDR5X memory frequency of 1376 MHz. It also makes use of a 352-bit bus, and makes use of a 16 nm design. It is made up of 3584 SPUs, 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

In theory, the GeForce RTX 2080 Ti should perform a lot faster than the Geforce GTX 1080 Ti in general. (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 will be just a bit (more or less 11%) more effective at AF 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 superior to the GeForce RTX 2080 Ti, not by a very large margin though. (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 max amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics 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 number of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach 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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