Radeon RX 550X 640SP vs Radeon RX 550X

Radeon RX 550X 640SP
Memory: 2048Mb GDDR5DESKTOP
Release date: 11 Apr 2018
Radeon RX 550X 640SP
Radeon RX 550X
Memory: 2048Mb GDDR5DESKTOP
Release date: 11 Apr 2018
Radeon RX 550X

Summary

Reasons to consider Radeon RX 550X 640SP

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon RX 550X

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 550X 640SPRadeon RX 550X
GPU NameBaffin (Baffin LE)vsLexa (Lexa PRO
(215-0904018))
Fab Process14 nmvs14 nm
Die Size123 mm²vs103 mm²
Transistors3,000 millionvs2,200 million
Shaders640vs512
Compute Units10vs8
Core clock1019 MHzvs1100 MHz
ROPs16vs16
TMUs40vs32

Memory Configuration

Radeon RX 550X 640SPRadeon RX 550X
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1500 MHz
6000 MHz effective
vs1750 MHz
7000 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

Radeon RX 550X 640SPRadeon RX 550X
TDP60 wattsvs50 watts
Release Date11 Apr 2018vs11 Apr 2018

Raw Performance comparison

Pixel Rate

  • Radeon RX 550X 640SP
    17.14 GP/s
  • Radeon RX 550X
    18.93 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 550X 640SP
    42.84 GT/s
  • Radeon RX 550X
    37.86 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 550X 640SP
    96.00 GB/s
  • Radeon RX 550X
    112.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 550X 640SP
    1371.00 GFLOPs
  • Radeon RX 550X
    1211.00 GFLOPs

GFLOPs - higher is better