Radeon HD 7850 vs Radeon HD 7950 Mac Edition

Radeon HD 7850
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7850
Radeon HD 7950 Mac Edition
Memory: 3072Mb GDDR5DESKTOP
Release date: 7 Mar 2013
Radeon HD 7950 Mac Edition

Summary

Synthetic performance index

  • Radeon HD 7850
    100%
  • Radeon HD 7950 Mac Edition
    133%

Relative performance

Reasons to consider Radeon HD 7850

70 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7950 Mac Edition .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 HD 7950 Mac Edition

This is a much newer product, it might have better long term support.
Around 33% 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 HD 7950 Mac Edition

HWBench recommends Radeon HD 7950 Mac Edition

The Radeon HD 7950 Mac Edition is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 7850Radeon HD 7950 Mac Edition
GPU NamePitcairn (Pitcairn PRO)vsTahiti (Tahiti PRO)
Fab Process28 nmvs28 nm
Die Size212 mm²vs352 mm²
Transistors2,800 millionvs4,313 million
Shaders1024vs1792
Compute Units16vs28
Core clock860 MHzvs800 MHz
ROPs32vs32
TMUs64vs112

Memory Configuration

Radeon HD 7850Radeon HD 7950 Mac Edition
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit
Memory Speed1200 MHz
4800 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size2048 Mbvs3072 Mb

Additional details

Radeon HD 7850Radeon HD 7950 Mac Edition
TDP130 wattsvs200 watts
Release Date5 Mar 2012vs7 Mar 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7850
    27.50 GP/s
  • Radeon HD 7950 Mac Edition
    25.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7850
    55.00 GT/s
  • Radeon HD 7950 Mac Edition
    89.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7850
    154.00 GB/s
  • Radeon HD 7950 Mac Edition
    240.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7850
    1761.00 GFLOPs
  • Radeon HD 7950 Mac Edition
    2867.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7850
    6820
  • Radeon HD 7950 Mac Edition
    9130

Points (higher is better)