Radeon RX 550X vs Radeon 550X 640SP

Radeon RX 550X
Memory: 2048Mb GDDR5DESKTOP
Release date: 11 Apr 2018
Radeon RX 550X
Radeon 550X 640SP
Memory: 4096Mb GDDR5DESKTOP
Release date: 11 Apr 2018
Radeon 550X 640SP

Summary

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.

Reasons to consider Radeon 550X 640SP

Supports Direct3D 12 Async Compute.
Supports FreeSync.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports TrueAudio.

No clear winner declared

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


Specifications

Core Configuration

Radeon RX 550XRadeon 550X 640SP
GPU NameLexa (Lexa PRO
(215-0904018))
vsLexa (Lexa PRO
(215-0904018))
Fab Process14 nmvs14 nm
Die Size103 mm²vs103 mm²
Transistors2,200 millionvs2,200 million
Shaders512vs640
Compute Units8vs10
Core clock1100 MHzvs1019 MHz
ROPs16vs16
TMUs32vs40

Memory Configuration

Radeon RX 550XRadeon 550X 640SP
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs64 bit
Memory Speed1750 MHz
7000 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size2048 Mbvs4096 Mb

Additional details

Radeon RX 550XRadeon 550X 640SP
TDP50 wattsvs50 watts
Release Date11 Apr 2018vs11 Apr 2018

Raw Performance comparison

Pixel Rate

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

GigaPixels - higher is better

Texel Rate

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

GigaTexels - higher is better

Memory bandwidth

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

GB/s - higher is better

Single precision performance

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

GFLOPs - higher is better