Radeon HD 7950 vs Radeon R9 280

Radeon HD 7950
Memory: 3072Mb GDDR5DESKTOP
Release date: 31 Jan 2012
Radeon HD 7950
Radeon R9 280
Memory: 3072Mb GDDR5DESKTOP
Release date: 4 Mar 2014
Radeon R9 280

Summary

Synthetic performance index

  • Radeon HD 7950
    100%
  • Radeon R9 280
    107%

Relative performance

Reasons to consider Radeon HD 7950

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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

This is a much newer product, it might have better long term support.
Around 7% 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon R9 280

HWBench recommends Radeon R9 280

The Radeon R9 280 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 7950Radeon R9 280
GPU NameTahiti (Tahiti PRO)vsTahiti (Tahiti PRO3)
Fab Process28 nmvs28 nm
Die Size352 mm²vs352 mm²
Transistors4,313 millionvs4,313 million
Shaders1792vs1792
Compute Units28vs28
Core clock800 MHzvs827 MHz
ROPs32vs32
TMUs112vs112

Memory Configuration

Radeon HD 7950Radeon R9 280
Memory TypeGDDR5vsGDDR5
Bus Width384 bitvs384 bit
Memory Speed1250 MHz
5000 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size3072 Mbvs3072 Mb

Additional details

Radeon HD 7950Radeon R9 280
TDP200 wattsvs200 watts
Release Date31 Jan 2012vs4 Mar 2014

Raw Performance comparison

Pixel Rate

  • Radeon HD 7950
    25.60 GP/s
  • Radeon R9 280
    29.86 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7950
    89.60 GT/s
  • Radeon R9 280
    104.50 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7950
    240.00 GB/s
  • Radeon R9 280
    240.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7950
    2867.00 GFLOPs
  • Radeon R9 280
    3344.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7950
    9130
  • Radeon R9 280
    9790

Points (higher is better)