Radeon HD 6670 vs Radeon HD 8490 OEM

Radeon HD 6670
Memory: 1024Mb GDDR5DESKTOP
Release date: 19 Apr 2011
Radeon HD 6670
Radeon HD 8490 OEM
Memory: 1024Mb DDR3DESKTOP
Release date: 23 Jul 2013
Radeon HD 8490 OEM

Summary

Reasons to consider Radeon HD 6670

Higher theoretical gaming performance, based on specifications.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 8490 OEM

This is a much newer product, it might have better long term support.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 6670

HWBench recommends Radeon HD 6670

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 6670Radeon HD 8490 OEM
GPU NameTurks (Turks XT)vsCaicos (Caicos XTX)
Fab Process40 nmvs40 nm
Die Size118 mm²vs67 mm²
Transistors716 millionvs370 million
Shaders480vs160
Compute Units6vs2
Core clock800 MHzvs875 MHz
ROPs8vs4
TMUs24vs8

Memory Configuration

Radeon HD 6670Radeon HD 8490 OEM
Memory TypeGDDR5vsDDR3
Bus Width128 bitvs64 bit
Memory Speed1000 MHz
4000 MHz effective
vs900 MHz
1800 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 6670Radeon HD 8490 OEM
TDP66 wattsvs35 watts
Release Date19 Apr 2011vs23 Jul 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 6670
    6.40 GP/s
  • Radeon HD 8490 OEM
    3.50 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6670
    19.20 GT/s
  • Radeon HD 8490 OEM
    7.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6670
    64.00 GB/s
  • Radeon HD 8490 OEM
    14.40 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6670
    768.00 GFLOPs
  • Radeon HD 8490 OEM
    280.00 GFLOPs

GFLOPs - higher is better