Radeon R9 270 vs Radeon R9 255 OEM

Radeon R9 270
Memory: 2048Mb GDDR5DESKTOP
Release date: 13 Nov 2013
Radeon R9 270
Radeon R9 255 OEM
Memory: 2048Mb GDDR5DESKTOP
Release date: 21 Dec 2013
Radeon R9 255 OEM

Summary

Reasons to consider Radeon R9 270

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R9 255 OEM

85 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 270 .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 270

HWBench recommends Radeon R9 270

Based on theoretical specifications.


Specifications

Core Configuration

Radeon R9 270Radeon R9 255 OEM
GPU NameCuracao (Curacao PRO)vsCape Verde (Cape Verde PRX)
Fab Process28 nmvs28 nm
Die Size212 mm²vs123 mm²
Transistors2,800 millionvs1,500 million
Shaders1280vs512
Compute Units20vs8
Core clock900 MHzvs900 MHz
ROPs32vs16
TMUs80vs32

Memory Configuration

Radeon R9 270Radeon R9 255 OEM
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs128 bit
Memory Speed1400 MHz
5600 MHz effective
vs1150 MHz
4600 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

Radeon R9 270Radeon R9 255 OEM
TDP150 wattsvs65 watts
Release Date13 Nov 2013vs21 Dec 2013

Raw Performance comparison

Pixel Rate

  • Radeon R9 270
    28.80 GP/s
  • Radeon R9 255 OEM
    14.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R9 270
    72.00 GT/s
  • Radeon R9 255 OEM
    28.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R9 270
    179.00 GB/s
  • Radeon R9 255 OEM
    73.60 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R9 270
    2304.00 GFLOPs
  • Radeon R9 255 OEM
    921.60 GFLOPs

GFLOPs - higher is better