Radeon HD 7870 GHz Edition vs Radeon R7 340 OEM

Radeon HD 7870 GHz Edition
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7870 GHz Edition
Radeon R7 340 OEM
Memory: 2048Mb DDR3DESKTOP
Release date: 5 May 2015
Radeon R7 340 OEM

Summary

Reasons to consider Radeon HD 7870 GHz Edition

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon R7 340 OEM

125 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7870 GHz Edition .
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7870 GHz Edition

HWBench recommends Radeon HD 7870 GHz Edition

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7870 GHz EditionRadeon R7 340 OEM
GPU NamePitcairn (Pitcairn XT)vsOland ()
Fab Process28 nmvs28 nm
Die Size212 mm²vs90 mm²
Transistors2,800 millionvs1,040 million
Shaders1280vs384
Compute Units20vs6
Core clock1000 MHzvs730 MHz
ROPs32vs8
TMUs80vs24

Memory Configuration

Radeon HD 7870 GHz EditionRadeon R7 340 OEM
Memory TypeGDDR5vsDDR3
Bus Width256 bitvs128 bit
Memory Speed1200 MHz
4800 MHz effective
vs900 MHz
1800 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

Radeon HD 7870 GHz EditionRadeon R7 340 OEM
TDP175 wattsvs50 watts
Release Date5 Mar 2012vs5 May 2015

Raw Performance comparison

Pixel Rate

  • Radeon HD 7870 GHz Edition
    32.00 GP/s
  • Radeon R7 340 OEM
    5.84 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7870 GHz Edition
    80.00 GT/s
  • Radeon R7 340 OEM
    17.50 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7870 GHz Edition
    154.00 GB/s
  • Radeon R7 340 OEM
    28.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7870 GHz Edition
    2560.00 GFLOPs
  • Radeon R7 340 OEM
    560.60 GFLOPs

GFLOPs - higher is better