Radeon HD 7970 X2 vs Radeon HD 7990

Radeon HD 7970 X2
Memory: 3072Mb GDDR5DESKTOP
Release date: 31 Aug 2012
Radeon HD 7970 X2
Radeon HD 7990
Memory: 3072Mb GDDR5DESKTOP
Release date: 24 Apr 2013
Radeon HD 7990

Summary

Reasons to consider 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7990

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

Radeon HD 7970 X2Radeon HD 7990
GPU NameNew Zealand ()vsMalta ()
Fab Process28 nmvs28 nm
Die Size365 mm²vs365 mm²
Transistors4,313 millionvs4,313 million
Shaders2048vs2048
Compute Units32vs32
Core clock925 MHzvs950 MHz
ROPs32vs32
TMUs128vs128

Memory Configuration

Radeon HD 7970 X2Radeon HD 7990
Memory TypeGDDR5vsGDDR5
Bus Width384 bit x2vs384 bit x2
Memory Speed1375 MHz
5500 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size3072 Mbvs3072 Mb

Additional details

Radeon HD 7970 X2Radeon HD 7990
TDP500 wattsvs375 watts
Release Date31 Aug 2012vs24 Apr 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7970 X2
    59.20 GP/s
  • Radeon HD 7990
    60.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7970 X2
    236.00 GT/s
  • Radeon HD 7990
    244.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7970 X2
    528.00 GB/s
  • Radeon HD 7990
    576.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7970 X2
    7578.00 GFLOPs
  • Radeon HD 7990
    7782.00 GFLOPs

GFLOPs - higher is better