Radeon RX 6900 XT vs Radeon RX 550

Radeon RX 6900 XT
Memory: 16384Mb GDDR6DESKTOP
Release date: 28 Oct 2020
Radeon RX 6900 XT
Radeon RX 550
Memory: 4096Mb GDDR5DESKTOP
Release date: 1 Apr 2017
Radeon RX 550

Summary

Reasons to consider Radeon RX 6900 XT

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
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 550

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 6900 XT

HWBench recommends Radeon RX 6900 XT

Based on theoretical specifications.


Specifications

Core Configuration

Radeon RX 6900 XTRadeon RX 550
GPU NameNavi 21 (Navi 21 XTX)vsPolaris 12 (Baffin XT)
Fab Process7 nmvs14 nm
Die Size536 mm²vs0 mm²
Transistors26,800 millionvsunknown
Shaders5120vs640
Compute Units80vs10
Core clock1825 MHzvs1125 MHz
ROPs128vs16
TMUs320vs40

Memory Configuration

Radeon RX 6900 XTRadeon RX 550
Memory TypeGDDR6vsGDDR5
Bus Width256 bitvs128 bit
Memory Speed2000 MHz
16 Gbps effective
vs1750 MHz
7000 MHz effective
Memory Size16384 Mbvs4096 Mb

Additional details

Radeon RX 6900 XTRadeon RX 550
TDP300 wattsvs0 watts
Release Date28 Oct 2020vs1 Apr 2017

Raw Performance comparison

Pixel Rate

  • Radeon RX 6900 XT
    288.00 GP/s
  • Radeon RX 550
    20.83 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 6900 XT
    720.00 GT/s
  • Radeon RX 550
    52.10 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 6900 XT
    512.00 GB/s
  • Radeon RX 550
    112.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 6900 XT
    23040.00 GFLOPs
  • Radeon RX 550
    1666.60 GFLOPs

GFLOPs - higher is better