Radeon RX 550 vs Radeon HD 8490 OEM

Radeon RX 550
Memory: 4096Mb GDDR5DESKTOP
Release date: 1 Apr 2017
Radeon RX 550
Radeon HD 8490 OEM
Memory: 1024Mb DDR3DESKTOP
Release date: 23 Jul 2013
Radeon HD 8490 OEM

Summary

Reasons to consider Radeon RX 550

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon HD 8490 OEM

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon RX 550

HWBench recommends Radeon RX 550

Based on theoretical specifications.


Specifications

Core Configuration

Radeon RX 550Radeon HD 8490 OEM
GPU NamePolaris 12 (Baffin XT)vsCaicos (Caicos XTX)
Fab Process14 nmvs40 nm
Die Size0 mm²vs67 mm²
Transistorsunknownvs370 million
Shaders640vs160
Compute Units10vs2
Core clock1125 MHzvs875 MHz
ROPs16vs4
TMUs40vs8

Memory Configuration

Radeon RX 550Radeon HD 8490 OEM
Memory TypeGDDR5vsDDR3
Bus Width128 bitvs64 bit
Memory Speed1750 MHz
7000 MHz effective
vs900 MHz
1800 MHz effective
Memory Size4096 Mbvs1024 Mb

Additional details

Radeon RX 550Radeon HD 8490 OEM
TDP0 wattsvs35 watts
Release Date1 Apr 2017vs23 Jul 2013

Raw Performance comparison

Pixel Rate

  • Radeon RX 550
    20.83 GP/s
  • Radeon HD 8490 OEM
    3.50 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 550
    52.10 GT/s
  • Radeon HD 8490 OEM
    7.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 550
    112.00 GB/s
  • Radeon HD 8490 OEM
    14.40 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 550
    1666.60 GFLOPs
  • Radeon HD 8490 OEM
    280.00 GFLOPs

GFLOPs - higher is better