Radeon R5 340 OEM vs Radeon R9 390X

Radeon R5 340 OEM
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 May 2015
Radeon R5 340 OEM
Radeon R9 390X
Memory: 8192Mb GDDR5DESKTOP
Release date: 18 Jun 2015
Radeon R9 390X

Summary

Reasons to consider Radeon R5 340 OEM

210 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 390X .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R9 390X

Higher theoretical gaming performance, based on specifications.
Supports Direct3D 12 Async Compute
Supports FreeSync
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports TrueAudio
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon R9 390X

HWBench recommends Radeon R9 390X

Based on theoretical specifications.


Specifications

Core Configuration

Radeon R5 340 OEMRadeon R9 390X
GPU NameOland (Oland XT)vsGrenada (Grenada XT)
Fab Process28 nmvs28 nm
Die Size90 mm²vs438 mm²
Transistors1,040 millionvs6,200 million
Shaders384vs2816
Compute Units6vs44
Core clock800 MHzvs1050 MHz
ROPs8vs64
TMUs24vs176

Memory Configuration

Radeon R5 340 OEMRadeon R9 390X
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs512 bit
Memory Speed1125 MHz
4500 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size2048 Mbvs8192 Mb

Additional details

Radeon R5 340 OEMRadeon R9 390X
TDP65 wattsvs275 watts
Release Date5 May 2015vs18 Jun 2015

Raw Performance comparison

Pixel Rate

  • Radeon R5 340 OEM
    6.40 GP/s
  • Radeon R9 390X
    67.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R5 340 OEM
    19.20 GT/s
  • Radeon R9 390X
    184.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R5 340 OEM
    72.00 GB/s
  • Radeon R9 390X
    384.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R5 340 OEM
    614.40 GFLOPs
  • Radeon R9 390X
    5914.00 GFLOPs

GFLOPs - higher is better