HWBench.com

    GeForce GTX 1660 Ti vs GeForce GTX 1080 Mobile

    GeForce GTX 1660 Ti
    Memory: 6144Mb GDDR6DESKTOP
    Release date: 22 Feb 2019
    GeForce GTX 1660 Ti
    GeForce GTX 1080 Mobile
    Memory: 8192Mb GDDR5XMOBILE
    Release date: 15 Aug 2016
    GeForce GTX 1080 Mobile

    Summary

    Reasons to consider GeForce GTX 1660 Ti

    This is a much newer product, it might have better long term support.
    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 Mobile

    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
    Based on an outdated architecture (Nvidia Pascal), there may be no performance optimizations for current games and applications
    GeForce GTX 1080 Mobile

    HWBench recommends GeForce GTX 1080 Mobile

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce GTX 1660 TiGeForce GTX 1080 Mobile
    GPU NameTU116 (TU116-400-A1)vsGP104 ()
    Fab Process12 nmvs16 nm
    Die Size284 mm²vs314 mm²
    Transistors6,600 millionvs7,200 million
    Shaders1536vs2560
    Compute Units24vs20
    Core clock1500 MHzvs1556 MHz
    ROPs48vs64
    TMUs96vs160

    Memory Configuration

    GeForce GTX 1660 TiGeForce GTX 1080 Mobile
    Memory TypeGDDR6vsGDDR5X
    Bus Width192 bitvs256 bit
    Memory Speed1500 MHz
    12000 MHz effective    		vs1251 MHz
    10008 MHz effective
    Memory Size6144 Mbvs8192 Mb

    Additional details

    GeForce GTX 1660 TiGeForce GTX 1080 Mobile
    TDP120 wattsvs150 watts
    Release Date22 Feb 2019vs15 Aug 2016

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 1660 Ti
      84.96 GP/s
    • GeForce GTX 1080 Mobile
      99.60 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 1660 Ti
      169.90 GT/s
    • GeForce GTX 1080 Mobile
      249.00 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 1660 Ti
      288.00 GB/s
    • GeForce GTX 1080 Mobile
      320.00 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 1660 Ti
      5437.00 GFLOPs
    • GeForce GTX 1080 Mobile
      7967.00 GFLOPs

    GFLOPs - higher is better

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