Radeon RX 6600 XT vs Radeon RX Vega 56

Radeon RX 6600 XT
Memory: 8192Mb GDDR6DESKTOP
Release date: 30 Jul 2021
Radeon RX 6600 XT
Radeon RX Vega 56
Memory: 8192Mb HBM2DESKTOP
Release date: 8 Aug 2017
Radeon RX Vega 56

Summary

Gaming performance index

  • Radeon RX 6600 XT
    950%
  • Radeon RX Vega 56
    100%

Relative performance

Reasons to consider Radeon RX 6600 XT

850% higher gaming performance.
50 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon RX Vega 56 .
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 Radeon RX Vega 56

Supports Direct3D 12 Async Compute
Supports FreeSync
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports TrueAudio
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 (12 combinations of games and resolutions).


Specifications

Core Configuration

Radeon RX 6600 XTRadeon RX Vega 56
GPU NameNavi 23 (Navi 23 XT (215-130000006))vsVega 10 (Vega 10 XL)
Fab Process7 nmvs14 nm
Die Size237 mm²vs484 mm²
Transistors11,060 millionvs12,500 million
Shaders2048vs3584
Raytracing Cores32vsnone
Compute Units32vs56
Core clock1968 MHzvs1156 MHz
ROPs64vs64
TMUs128vs224

Memory Configuration

Radeon RX 6600 XTRadeon RX Vega 56
Memory TypeGDDR6vsHBM2
Bus Width128 bitvs2048 bit
Memory Speed2000 MHz
16 Gbps effective
vs800 MHz
1600 MHz effective
Memory Size8192 Mbvs8192 Mb

Additional details

Radeon RX 6600 XTRadeon RX Vega 56
TDP160 wattsvs210 watts
Release Date30 Jul 2021vs8 Aug 2017

Raw Performance comparison

Pixel Rate

  • Radeon RX 6600 XT
    165.70 GP/s
  • Radeon RX Vega 56
    94.14 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 6600 XT
    331.40 GT/s
  • Radeon RX Vega 56
    329.50 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 6600 XT
    256.00 GB/s
  • Radeon RX Vega 56
    409.60 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 6600 XT
    10600.00 GFLOPs
  • Radeon RX Vega 56
    10544.00 GFLOPs

GFLOPs - higher is better

Game benchmarks

Assassins Creed: Valhalla

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    86
  • Radeon RX Vega 56
    57

FPS (higher is better)

Far Cry 6

Ultra High Quality, DirectX12, Windows 10x64

  • Radeon RX 6600 XT
    99
  • Radeon RX Vega 56
    1

FPS (higher is better)

Hitman III

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    177
  • Radeon RX Vega 56
    139

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
  • Radeon RX Vega 56
    81

FPS (higher is better)

The Witcher 3: Wild Hunt

DX11,Max Details, 16:1 HQ-AF, +AA

  • Radeon RX 6600 XT
    130
  • Radeon RX Vega 56
    90

FPS (higher is better)

Assassins Creed: Valhalla

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    59
  • Radeon RX Vega 56
    45

FPS (higher is better)

Hitman III

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    115
  • Radeon RX Vega 56
    88

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
  • Radeon RX Vega 56
    54

FPS (higher is better)

The Witcher 3: Wild Hunt

DX11,Max Details, 16:1 HQ-AF, +AA

  • Radeon RX 6600 XT
    87
  • Radeon RX Vega 56
    67

FPS (higher is better)

Assassins Creed: Valhalla

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    33
  • Radeon RX Vega 56
    27

FPS (higher is better)

Hitman III

Ultra quality - DirectX12 Windows 11

  • Radeon RX 6600 XT
    57
  • Radeon RX Vega 56
    48

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
  • Radeon RX Vega 56
    28

FPS (higher is better)