Radeon HD 6670 vs Radeon HD 7790

Radeon HD 6670
Memory: 1024Mb GDDR5DESKTOP
Release date: 19 Apr 2011
Radeon HD 6670
Radeon HD 7790
Memory: 1024Mb GDDR5DESKTOP
Release date: 22 Mar 2013
Radeon HD 7790

Summary

Synthetic performance index

  • Radeon HD 6670
    100%
  • Radeon HD 7790
    311%

Relative performance

Reasons to consider Radeon HD 6670

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon HD 7790

This is a much newer product, it might have better long term support.
Around 211% higher average synthetic performance.
Supports Direct3D 12 Async Compute.
Supports FreeSync.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports TrueAudio.

Radeon HD 7790

HWBench recommends Radeon HD 7790

The Radeon HD 7790 is the better performing card based on the synthetic benchmarks used (1 benchmarks).



Specifications

Core Configuration

Radeon HD 6670Radeon HD 7790
GPU NameTurks (Turks XT)vsBonaire (Bonaire XT)
Fab Process40 nmvs28 nm
Die Size118 mm²vs160 mm²
Transistors716 millionvs2,080 million
Shaders480vs896
Compute Units6vs14
Core clock800 MHzvs1000 MHz
ROPs8vs16
TMUs24vs56

Memory Configuration

Radeon HD 6670Radeon HD 7790
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1000 MHz
4000 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 6670Radeon HD 7790
TDP66 wattsvs85 watts
Release Date19 Apr 2011vs22 Mar 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 6670
    6.40 GP/s
  • Radeon HD 7790
    16.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6670
    19.20 GT/s
  • Radeon HD 7790
    56.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6670
    64.00 GB/s
  • Radeon HD 7790
    96.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6670
    768.00 GFLOPs
  • Radeon HD 7790
    1792.00 GFLOPs

GFLOPs - higher is better


Synthetic benchmarks

3DMark 11

  • Radeon HD 6670
    1960
  • Radeon HD 7790
    6110

Points (higher is better)