Radeon HD 7850 vs Radeon HD 7970 X2

Radeon HD 7850
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7850
Radeon HD 7970 X2
Memory: 3072Mb GDDR5DESKTOP
Release date: 31 Aug 2012
Radeon HD 7970 X2
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon HD 7850 vs Radeon HD 7990 instead?

Summary

Reasons to consider Radeon HD 7850

370 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7970 X2 .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7970 X2

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 HD 7970 X2

HWBench recommends Radeon HD 7970 X2

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7850Radeon HD 7970 X2
GPU NamePitcairn (Pitcairn PRO)vsNew Zealand ()
Fab Process28 nmvs28 nm
Die Size212 mm²vs365 mm²
Transistors2,800 millionvs4,313 million
Shaders1024vs2048
Compute Units16vs32
Core clock860 MHzvs925 MHz
ROPs32vs32
TMUs64vs128

Memory Configuration

Radeon HD 7850Radeon HD 7970 X2
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit x2
Memory Speed1200 MHz
4800 MHz effective
vs1375 MHz
5500 MHz effective
Memory Size2048 Mbvs3072 Mb

Additional details

Radeon HD 7850Radeon HD 7970 X2
TDP130 wattsvs500 watts
Release Date5 Mar 2012vs31 Aug 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 7850
    27.50 GP/s
  • Radeon HD 7970 X2
    59.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7850
    55.00 GT/s
  • Radeon HD 7970 X2
    236.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7850
    154.00 GB/s
  • Radeon HD 7970 X2
    528.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7850
    1761.00 GFLOPs
  • Radeon HD 7970 X2
    7578.00 GFLOPs

GFLOPs - higher is better