Radeon HD 7970 GHz Edition vs Radeon R9 280

Radeon HD 7970 GHz Edition
Memory: 3072Mb GDDR5DESKTOP
Release date: 22 Jun 2012
Radeon HD 7970 GHz Edition
Radeon R9 280
Memory: 3072Mb GDDR5DESKTOP
Release date: 4 Mar 2014
Radeon R9 280

Summary

Synthetic performance index

  • Radeon HD 7970 GHz Edition
    110%
  • Radeon R9 280
    100%

Relative performance

Reasons to consider Radeon HD 7970 GHz Edition

Around 10% higher average synthetic performance.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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

100 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7970 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7970 GHz Edition

HWBench recommends Radeon HD 7970 GHz Edition

The Radeon HD 7970 GHz Edition is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 7970 GHz EditionRadeon R9 280
GPU NameTahiti (Tahiti XT2)vsTahiti (Tahiti PRO3)
Fab Process28 nmvs28 nm
Die Size352 mm²vs352 mm²
Transistors4,313 millionvs4,313 million
Shaders2048vs1792
Compute Units32vs28
Core clock1000 MHzvs827 MHz
ROPs32vs32
TMUs128vs112

Memory Configuration

Radeon HD 7970 GHz EditionRadeon R9 280
Memory TypeGDDR5vsGDDR5
Bus Width384 bitvs384 bit
Memory Speed1500 MHz
6000 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size3072 Mbvs3072 Mb

Additional details

Radeon HD 7970 GHz EditionRadeon R9 280
TDP300 wattsvs200 watts
Release Date22 Jun 2012vs4 Mar 2014

Raw Performance comparison

Pixel Rate

  • Radeon HD 7970 GHz Edition
    32.00 GP/s
  • Radeon R9 280
    29.86 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7970 GHz Edition
    128.00 GT/s
  • Radeon R9 280
    104.50 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7970 GHz Edition
    288.00 GB/s
  • Radeon R9 280
    240.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7970 GHz Edition
    4096.00 GFLOPs
  • Radeon R9 280
    3344.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7970 GHz Edition
    10830
  • Radeon R9 280
    9790

Points (higher is better)