Radeon R5 340X OEM vs Radeon R9 280

Radeon R5 340X OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 5 May 2015
Radeon R5 340X OEM
Radeon R9 280
Memory: 3072Mb GDDR5DESKTOP
Release date: 4 Mar 2014
Radeon R9 280

Summary

Reasons to consider Radeon R5 340X OEM

135 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 280 .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R9 280

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R9 280

HWBench recommends Radeon R9 280

Based on theoretical specifications.


Specifications

Core Configuration

Radeon R5 340X OEMRadeon R9 280
GPU NameOland (Oland XT)vsTahiti (Tahiti PRO3)
Fab Process28 nmvs28 nm
Die Size90 mm²vs352 mm²
Transistors1,040 millionvs4,313 million
Shaders384vs1792
Compute Units6vs28
Core clock1000 MHzvs827 MHz
ROPs8vs32
TMUs24vs112

Memory Configuration

Radeon R5 340X OEMRadeon R9 280
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs384 bit
Memory Speed1125 MHz
4500 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size1024 Mbvs3072 Mb

Additional details

Radeon R5 340X OEMRadeon R9 280
TDP65 wattsvs200 watts
Release Date5 May 2015vs4 Mar 2014

Raw Performance comparison

Pixel Rate

  • Radeon R5 340X OEM
    8.00 GP/s
  • Radeon R9 280
    29.86 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R5 340X OEM
    24.00 GT/s
  • Radeon R9 280
    104.50 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R5 340X OEM
    72.00 GB/s
  • Radeon R9 280
    240.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R5 340X OEM
    768.00 GFLOPs
  • Radeon R9 280
    3344.00 GFLOPs

GFLOPs - higher is better