Radeon R5 340X OEM vs Radeon HD 7850

Radeon R5 340X OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 5 May 2015
Radeon R5 340X OEM
Radeon HD 7850
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7850

Summary

Reasons to consider Radeon R5 340X OEM

65 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7850 .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7850

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7850

HWBench recommends Radeon HD 7850

Based on theoretical specifications.


Specifications

Core Configuration

Radeon R5 340X OEMRadeon HD 7850
GPU NameOland (Oland XT)vsPitcairn (Pitcairn PRO)
Fab Process28 nmvs28 nm
Die Size90 mm²vs212 mm²
Transistors1,040 millionvs2,800 million
Shaders384vs1024
Compute Units6vs16
Core clock1000 MHzvs860 MHz
ROPs8vs32
TMUs24vs64

Memory Configuration

Radeon R5 340X OEMRadeon HD 7850
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 7850
TDP65 wattsvs130 watts
Release Date5 May 2015vs5 Mar 2012

Raw Performance comparison

Pixel Rate

  • Radeon R5 340X OEM
    8.00 GP/s
  • Radeon HD 7850
    27.50 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R5 340X OEM
    24.00 GT/s
  • Radeon HD 7850
    55.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R5 340X OEM
    72.00 GB/s
  • Radeon HD 7850
    154.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R5 340X OEM
    768.00 GFLOPs
  • Radeon HD 7850
    1761.00 GFLOPs

GFLOPs - higher is better