Radeon 550X 640SP vs Radeon RX 550

Radeon 550X 640SP
Memory: 4096Mb GDDR5DESKTOP
Release date: 11 Apr 2018
Radeon 550X 640SP
Radeon RX 550
Memory: 4096Mb GDDR5DESKTOP
Release date: 1 Apr 2017
Radeon RX 550

Summary

Reasons to consider Radeon 550X 640SP

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

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


Specifications

Core Configuration

Radeon 550X 640SPRadeon RX 550
GPU NameLexa (Lexa PRO
(215-0904018))
vsPolaris 12 (Baffin XT)
Fab Process14 nmvs14 nm
Die Size103 mm²vs0 mm²
Transistors2,200 millionvsunknown
Shaders640vs640
Compute Units10vs10
Core clock1019 MHzvs1125 MHz
ROPs16vs16
TMUs40vs40

Memory Configuration

Radeon 550X 640SPRadeon RX 550
Memory TypeGDDR5vsGDDR5
Bus Width64 bitvs128 bit
Memory Speed1500 MHz
6000 MHz effective
vs1750 MHz
7000 MHz effective
Memory Size4096 Mbvs4096 Mb

Additional details

Radeon 550X 640SPRadeon RX 550
TDP50 wattsvs0 watts
Release Date11 Apr 2018vs1 Apr 2017

Raw Performance comparison

Pixel Rate

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

GigaPixels - higher is better

Texel Rate

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

GigaTexels - higher is better

Memory bandwidth

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

GB/s - higher is better

Single precision performance

  • Radeon 550X 640SP
    1371.00 GFLOPs
  • Radeon RX 550
    1666.60 GFLOPs

GFLOPs - higher is better