Radeon HD 7470 OEM vs Radeon HD 8490 OEM

Radeon HD 7470 OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 5 Jan 2012
Radeon HD 7470 OEM
Radeon HD 8490 OEM
Memory: 1024Mb DDR3DESKTOP
Release date: 23 Jul 2013
Radeon HD 8490 OEM

Summary

Reasons to consider Radeon HD 7470 OEM

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Radeon HD 8490 OEM

HWBench recommends Radeon HD 8490 OEM

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7470 OEMRadeon HD 8490 OEM
GPU NameCaicos (Khalidster)vsCaicos (Caicos XTX)
Fab Process40 nmvs40 nm
Die Size67 mm²vs67 mm²
Transistors370 millionvs370 million
Shaders160vs160
Compute Units2vs2
Core clock750 MHzvs875 MHz
ROPs4vs4
TMUs8vs8

Memory Configuration

Radeon HD 7470 OEMRadeon HD 8490 OEM
Memory TypeGDDR5vsDDR3
Bus Width64 bitvs64 bit
Memory Speed900 MHz
3600 MHz effective
vs900 MHz
1800 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 7470 OEMRadeon HD 8490 OEM
TDP27 wattsvs35 watts
Release Date5 Jan 2012vs23 Jul 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7470 OEM
    3.00 GP/s
  • Radeon HD 8490 OEM
    3.50 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7470 OEM
    6.00 GT/s
  • Radeon HD 8490 OEM
    7.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7470 OEM
    28.80 GB/s
  • Radeon HD 8490 OEM
    14.40 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7470 OEM
    240.00 GFLOPs
  • Radeon HD 8490 OEM
    280.00 GFLOPs

GFLOPs - higher is better