Radeon RX 6600 XT vs Radeon RX Vega 64 Liquid Cooling

Radeon RX 6600 XT
Memory: 8192Mb GDDR6DESKTOP
Release date: 30 Jul 2021
Radeon RX 6600 XT
Radeon RX Vega 64 Liquid Cooling
Memory: 8192Mb HBM2DESKTOP
Release date: 8 Aug 2017
Radeon RX Vega 64 Liquid Cooling

Summary

Reasons to consider Radeon RX 6600 XT

185 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon RX Vega 64 Liquid Cooling .
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 64 Liquid Cooling

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

Radeon RX 6600 XTRadeon RX Vega 64 Liquid Cooling
GPU NameNavi 23 (Navi 23 XT (215-130000006))vsVega 10 (Vega 10 XTX)
Fab Process7 nmvs14 nm
Die Size237 mm²vs484 mm²
Transistors11,060 millionvs12,500 million
Shaders2048vs4096
Raytracing Cores32vsnone
Compute Units32vs64
Core clock1968 MHzvs1406 MHz
ROPs64vs64
TMUs128vs256

Memory Configuration

Radeon RX 6600 XTRadeon RX Vega 64 Liquid Cooling
Memory TypeGDDR6vsHBM2
Bus Width128 bitvs2048 bit
Memory Speed2000 MHz
16 Gbps effective
vs945 MHz
1890 MHz effective
Memory Size8192 Mbvs8192 Mb

Additional details

Radeon RX 6600 XTRadeon RX Vega 64 Liquid Cooling
TDP160 wattsvs345 watts
Release Date30 Jul 2021vs8 Aug 2017

Raw Performance comparison

Pixel Rate

  • Radeon RX 6600 XT
    165.70 GP/s
  • Radeon RX Vega 64 Liquid Cooling
    107.30 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 6600 XT
    331.40 GT/s
  • Radeon RX Vega 64 Liquid Cooling
    429.30 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 6600 XT
    256.00 GB/s
  • Radeon RX Vega 64 Liquid Cooling
    483.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 6600 XT
    10600.00 GFLOPs
  • Radeon RX Vega 64 Liquid Cooling
    13738.00 GFLOPs

GFLOPs - higher is better