Radeon HD 6770 vs Radeon HD 7750

Radeon HD 6770
Memory: 1024Mb GDDR5DESKTOP
Release date: 21 Jan 2011
Radeon HD 6770
Radeon HD 7750
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7750

Summary

Synthetic performance index

  • Radeon HD 6770
    245%
  • Radeon HD 7750
    100%

Relative performance

Reasons to consider Radeon HD 6770

Around 145% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 7750

53 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6770 .
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 6770

HWBench recommends Radeon HD 6770

The Radeon HD 6770 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 6770Radeon HD 7750
GPU NameJuniper (Juniper XT)vsCape Verde (Cape Verde PRO)
Fab Process40 nmvs28 nm
Die Size166 mm²vs123 mm²
Transistors1,040 millionvs1,500 million
Shaders800vs512
Compute Units10vs8
Core clock850 MHzvs800 MHz
ROPs16vs16
TMUs40vs32

Memory Configuration

Radeon HD 6770Radeon HD 7750
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1200 MHz
4800 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 6770Radeon HD 7750
TDP108 wattsvs55 watts
Release Date21 Jan 2011vs15 Feb 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 6770
    13.60 GP/s
  • Radeon HD 7750
    12.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6770
    34.00 GT/s
  • Radeon HD 7750
    25.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6770
    76.80 GB/s
  • Radeon HD 7750
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6770
    1360.00 GFLOPs
  • Radeon HD 7750
    819.20 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 6770
    2550
  • Radeon HD 7750
    1040

Points (higher is better)