HWBench.com

    GeForce GTX 1660 Ti vs GeForce GTX 660 Ti

    GeForce GTX 1660 Ti
    Memory: 6144Mb GDDR6DESKTOP
    Release date: 22 Feb 2019
    GeForce GTX 1660 Ti
    GeForce GTX 660 Ti
    Memory: 2048Mb GDDR5DESKTOP
    Release date: 16 Aug 2012
    GeForce GTX 660 Ti

    Summary

    Reasons to consider GeForce GTX 1660 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 660 Ti

    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications
    GeForce GTX 1660 Ti

    HWBench recommends GeForce GTX 1660 Ti

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce GTX 1660 TiGeForce GTX 660 Ti
    GPU NameTU116 (TU116-400-A1)vsGK104 (GK104-300-KD-A2)
    Fab Process12 nmvs28 nm
    Die Size284 mm²vs294 mm²
    Transistors6,600 millionvs3,540 million
    Shaders1536vs1344
    Compute Units24vs7
    Core clock1500 MHzvs915 MHz
    ROPs48vs24
    TMUs96vs112

    Memory Configuration

    GeForce GTX 1660 TiGeForce GTX 660 Ti
    Memory TypeGDDR6vsGDDR5
    Bus Width192 bitvs192 bit
    Memory Speed1500 MHz
    12000 MHz effective    		vs1502 MHz
    6008 MHz effective
    Memory Size6144 Mbvs2048 Mb

    Additional details

    GeForce GTX 1660 TiGeForce GTX 660 Ti
    TDP120 wattsvs150 watts
    Release Date22 Feb 2019vs16 Aug 2012

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 1660 Ti
      84.96 GP/s
    • GeForce GTX 660 Ti
      25.60 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 1660 Ti
      169.90 GT/s
    • GeForce GTX 660 Ti
      102.00 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 1660 Ti
      288.00 GB/s
    • GeForce GTX 660 Ti
      144.00 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 1660 Ti
      5437.00 GFLOPs
    • GeForce GTX 660 Ti
      2460.00 GFLOPs

    GFLOPs - higher is better

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