Radeon RX 6600 XT vs GeForce GTX 1660 SUPER

Radeon RX 6600 XT
Memory: 8192Mb GDDR6DESKTOP
Release date: 30 Jul 2021
Radeon RX 6600 XT
GeForce GTX 1660 SUPER
Memory: 6144Mb GDDR6DESKTOP
Release date: 29 Oct 2019
GeForce GTX 1660 SUPER

Summary

Gaming performance index

  • Radeon RX 6600 XT
    175%
  • GeForce GTX 1660 SUPER
    100%

Relative performance

Reasons to consider Radeon RX 6600 XT

75% higher gaming performance.
This is a much newer product, it might have better long term support.
Supports Direct3D 12 Async Compute
Supports FreeSync
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Infinity Cache allows to deliver up to 3.25x the effective memory bandwidth
Supports DirectX Raytracing (DXR)

Reasons to consider GeForce GTX 1660 SUPER

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Based on an outdated architecture (Nvidia Pascal), there may be no performance optimizations for current games and applications

Radeon RX 6600 XT

HWBench recommends Radeon RX 6600 XT

The Radeon RX 6600 XT is the better performing card based on the game benchmark suite used (15 combinations of games and resolutions).


Specifications

Core Configuration

Radeon RX 6600 XTGeForce GTX 1660 SUPER
GPU NameNavi 23 (Navi 23 XT (215-130000006))vsTU116 (TU116-300-A1)
Fab Process7 nmvs12 nm
Die Size237 mm²vs284 mm²
Transistors11,060 millionvs6,600 million
Shaders2048vs1408
Raytracing Cores32vsnone
Compute Units32vs22
Core clock1968 MHzvs1530 MHz
ROPs64vs48
TMUs128vs88

Memory Configuration

Radeon RX 6600 XTGeForce GTX 1660 SUPER
Memory TypeGDDR6vsGDDR6
Bus Width128 bitvs192 bit
Memory Speed2000 MHz
16 Gbps effective
vs1750 MHz
14000 MHz effective
Memory Size8192 Mbvs6144 Mb

Additional details

Radeon RX 6600 XTGeForce GTX 1660 SUPER
TDP160 wattsvs125 watts
Release Date30 Jul 2021vs29 Oct 2019

Raw Performance comparison

Pixel Rate

  • Radeon RX 6600 XT
    165.70 GP/s
  • GeForce GTX 1660 SUPER
    85.68 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 6600 XT
    331.40 GT/s
  • GeForce GTX 1660 SUPER
    157.10 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 6600 XT
    256.00 GB/s
  • GeForce GTX 1660 SUPER
    336.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 6600 XT
    10600.00 GFLOPs
  • GeForce GTX 1660 SUPER
    5020.00 GFLOPs

GFLOPs - higher is better

Game benchmarks

Assassins Creed: Valhalla

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    86
  • GeForce GTX 1660 SUPER
    43

FPS (higher is better)

Codemasters Formula 1 2021

Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64

  • Radeon RX 6600 XT
    176
  • GeForce GTX 1660 SUPER
    94

FPS (higher is better)

Far Cry 6

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    109
  • GeForce GTX 1660 SUPER
    72

FPS (higher is better)

Hitman III

  • Radeon RX 6600 XT
    177
  • GeForce GTX 1660 SUPER
    104

FPS (higher is better)

Shadow of the Tomb Raider

Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64

  • Radeon RX 6600 XT
    126
  • GeForce GTX 1660 SUPER
    80

FPS (higher is better)

Assassins Creed: Valhalla

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    59
  • GeForce GTX 1660 SUPER
    34

FPS (higher is better)

Codemasters Formula 1 2021

Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64

  • Radeon RX 6600 XT
    131
  • GeForce GTX 1660 SUPER
    70

FPS (higher is better)

Far Cry 6

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    72
  • GeForce GTX 1660 SUPER
    51

FPS (higher is better)

Hitman III

  • Radeon RX 6600 XT
    115
  • GeForce GTX 1660 SUPER
    68

FPS (higher is better)

Shadow of the Tomb Raider

Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64

  • Radeon RX 6600 XT
    82
  • GeForce GTX 1660 SUPER
    51

FPS (higher is better)

Assassins Creed: Valhalla

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    33
  • GeForce GTX 1660 SUPER
    12

FPS (higher is better)

Codemasters Formula 1 2021

Ultra High Quality TAA, Bahrain, DirectX12, Windows 10 x64

  • Radeon RX 6600 XT
    74
  • GeForce GTX 1660 SUPER
    40

FPS (higher is better)

Far Cry 6

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    38
  • GeForce GTX 1660 SUPER
    25

FPS (higher is better)

Hitman III

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    57
  • GeForce GTX 1660 SUPER
    34

FPS (higher is better)

Shadow of the Tomb Raider

Highest detail, Pure Hair On, HBAO+, DirectX 12, Windows 11 x 64

  • Radeon RX 6600 XT
    40
  • GeForce GTX 1660 SUPER
    25

FPS (higher is better)