Radeon R5 340X OEM vs Radeon HD 7870 GHz Edition

Radeon R5 340X OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 5 May 2015
Radeon R5 340X OEM
Radeon HD 7870 GHz Edition
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7870 GHz Edition

Summary

Reasons to consider Radeon R5 340X OEM

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7870 GHz Edition

HWBench recommends Radeon HD 7870 GHz Edition

Based on theoretical specifications.


Specifications

Core Configuration

Radeon R5 340X OEMRadeon HD 7870 GHz Edition
GPU NameOland (Oland XT)vsPitcairn (Pitcairn XT)
Fab Process28 nmvs28 nm
Die Size90 mm²vs212 mm²
Transistors1,040 millionvs2,800 million
Shaders384vs1280
Compute Units6vs20
Core clock1000 MHzvs1000 MHz
ROPs8vs32
TMUs24vs80

Memory Configuration

Radeon R5 340X OEMRadeon HD 7870 GHz Edition
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs256 bit
Memory Speed1125 MHz
4500 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

Radeon R5 340X OEMRadeon HD 7870 GHz Edition
TDP65 wattsvs175 watts
Release Date5 May 2015vs5 Mar 2012

Raw Performance comparison

Pixel Rate

  • Radeon R5 340X OEM
    8.00 GP/s
  • Radeon HD 7870 GHz Edition
    32.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R5 340X OEM
    24.00 GT/s
  • Radeon HD 7870 GHz Edition
    80.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R5 340X OEM
    72.00 GB/s
  • Radeon HD 7870 GHz Edition
    154.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R5 340X OEM
    768.00 GFLOPs
  • Radeon HD 7870 GHz Edition
    2560.00 GFLOPs

GFLOPs - higher is better