Radeon HD 7870 GHz Edition vs Radeon HD 8950 OEM

Radeon HD 7870 GHz Edition
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7870 GHz Edition
Radeon HD 8950 OEM
Memory: 3072Mb GDDR5DESKTOP
Release date: 8 Jan 2013
Radeon HD 8950 OEM

Summary

Reasons to consider Radeon HD 7870 GHz Edition

Supports Direct3D 12 Async Compute
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports Mantle
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon HD 8950 OEM

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 ReLive (allows game streaming/recording with minimum performance penalty)
Supports Mantle
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 8950 OEM

HWBench recommends Radeon HD 8950 OEM

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7870 GHz EditionRadeon HD 8950 OEM
GPU NamePitcairn (Pitcairn XT)vsTahiti (Tahiti PRO)
Fab Process28 nmvs28 nm
Die Size212 mm²vs352 mm²
Transistors2,800 millionvs4,313 million
Shaders1280vs1792
Compute Units20vs28
Core clock1000 MHzvs850 MHz
ROPs32vs32
TMUs80vs112

Memory Configuration

Radeon HD 7870 GHz EditionRadeon HD 8950 OEM
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit
Memory Speed1200 MHz
4800 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size2048 Mbvs3072 Mb

Additional details

Radeon HD 7870 GHz EditionRadeon HD 8950 OEM
TDP175 wattsvs200 watts
Release Date5 Mar 2012vs8 Jan 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7870 GHz Edition
    32.00 GP/s
  • Radeon HD 8950 OEM
    27.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7870 GHz Edition
    80.00 GT/s
  • Radeon HD 8950 OEM
    95.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7870 GHz Edition
    154.00 GB/s
  • Radeon HD 8950 OEM
    240.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7870 GHz Edition
    2560.00 GFLOPs
  • Radeon HD 8950 OEM
    3046.00 GFLOPs

GFLOPs - higher is better