GeForce RTX 2080 Ti vs GeForce GTX 1080 11Gbps

GeForce RTX 2080 Ti
Memory: 11264Mb GDDR6DESKTOP
Release date: 20 Aug 2018
GeForce RTX 2080 Ti
GeForce GTX 1080 11Gbps
Memory: 8192Mb GDDR5XDESKTOP
Release date: 20 Apr 2017
GeForce GTX 1080 11Gbps

Summary

Reasons to consider GeForce RTX 2080 Ti

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Supports Direct3D 12 Async Compute
Supports DirectX Raytracing (DXR)
Supports Deep Learning Super-Sampling (DLSS)

Reasons to consider GeForce GTX 1080 11Gbps

70 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce RTX 2080 Ti .
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Supports Direct3D 12 Async Compute
Based on an outdated architecture (Nvidia Pascal), there may be no performance optimizations for current games and applications

GeForce RTX 2080 Ti

HWBench recommends GeForce RTX 2080 Ti

Based on theoretical specifications.


Specifications

Core Configuration

GeForce RTX 2080 TiGeForce GTX 1080 11Gbps
GPU NameTU102 ()vsGP104 (GP104-410-A1)
Fab Process12 nmvs16 nm
Die Size754 mm²vs314 mm²
Transistors18,600 millionvs7,200 million
Shaders4352vs2560
Compute Units68vs20
Core clock1350 MHzvs1607 MHz
ROPs88vs64
TMUs272vs160

Memory Configuration

GeForce RTX 2080 TiGeForce GTX 1080 11Gbps
Memory TypeGDDR6vsGDDR5X
Bus Width352 bitvs256 bit
Memory Speed1750 MHz
14000 MHz effective
vs1376 MHz
11008 MHz effective
Memory Size11264 Mbvs8192 Mb

Additional details

GeForce RTX 2080 TiGeForce GTX 1080 11Gbps
TDP250 wattsvs180 watts
Release Date20 Aug 2018vs20 Apr 2017

Raw Performance comparison

Pixel Rate

  • GeForce RTX 2080 Ti
    132.00 GP/s
  • GeForce GTX 1080 11Gbps
    110.90 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce RTX 2080 Ti
    408.00 GT/s
  • GeForce GTX 1080 11Gbps
    277.30 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce RTX 2080 Ti
    616.00 GB/s
  • GeForce GTX 1080 11Gbps
    352.30 GB/s

GB/s - higher is better

Single precision performance

  • GeForce RTX 2080 Ti
    13056.00 GFLOPs
  • GeForce GTX 1080 11Gbps
    8873.00 GFLOPs

GFLOPs - higher is better