Radeon HD 6750 vs Radeon HD 7770 GHz Edition

Radeon HD 6750
Memory: 1024Mb GDDR5DESKTOP
Release date: 21 Jan 2011
Radeon HD 6750
Radeon HD 7770 GHz Edition
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7770 GHz Edition

Summary

Synthetic performance index

  • Radeon HD 6750
    100%
  • Radeon HD 7770 GHz Edition
    203%

Relative performance

Reasons to consider Radeon HD 6750

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 7770 GHz Edition

This is a much newer product, it might have better long term support.
Around 103% 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7770 GHz Edition

HWBench recommends Radeon HD 7770 GHz Edition

The Radeon HD 7770 GHz Edition is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 6750Radeon HD 7770 GHz Edition
GPU NameJuniper (Juniper PRO)vsCape Verde (Cape Verde XT)
Fab Process40 nmvs28 nm
Die Size166 mm²vs123 mm²
Transistors1,040 millionvs1,500 million
Shaders720vs640
Compute Units9vs10
Core clock700 MHzvs1000 MHz
ROPs16vs16
TMUs36vs40

Memory Configuration

Radeon HD 6750Radeon HD 7770 GHz Edition
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1150 MHz
4600 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 6750Radeon HD 7770 GHz Edition
TDP86 wattsvs80 watts
Release Date21 Jan 2011vs15 Feb 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 6750
    11.20 GP/s
  • Radeon HD 7770 GHz Edition
    16.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6750
    25.20 GT/s
  • Radeon HD 7770 GHz Edition
    40.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6750
    73.60 GB/s
  • Radeon HD 7770 GHz Edition
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6750
    1008.00 GFLOPs
  • Radeon HD 7770 GHz Edition
    1280.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 6750
    2050
  • Radeon HD 7770 GHz Edition
    4170

Points (higher is better)