Radeon HD 6770M vs Radeon HD 7690M XT

Radeon HD 6770M
Memory: 1024Mb GDDR5MOBILE
Release date: 4 Jan 2011
Radeon HD 6770M
Radeon HD 7690M XT
Memory: 2048Mb GDDR5MOBILE
Release date: 7 Jan 2013
Radeon HD 7690M XT

Summary

Reasons to consider Radeon HD 6770M

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 7690M XT

This is a much newer product, it might have better long term support.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 6770MRadeon HD 7690M XT
GPU NameWhistler (Whistler XT)vsThames (Thames XTX)
Fab Process40 nmvs40 nm
Die Size104 mm²vs104 mm²
Transistors716 millionvs716 million
Shaders480vs480
Compute Units6vs6
Core clock725 MHzvs725 MHz
ROPs8vs8
TMUs24vs24

Memory Configuration

Radeon HD 6770MRadeon HD 7690M XT
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed900 MHz
3600 MHz effective
vs900 MHz
3600 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

Radeon HD 6770MRadeon HD 7690M XT
TDP35 wattsvs25 watts
Release Date4 Jan 2011vs7 Jan 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 6770M
    5.80 GP/s
  • Radeon HD 7690M XT
    5.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6770M
    17.40 GT/s
  • Radeon HD 7690M XT
    17.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6770M
    57.60 GB/s
  • Radeon HD 7690M XT
    57.60 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6770M
    696.00 GFLOPs
  • Radeon HD 7690M XT
    696.00 GFLOPs

GFLOPs - higher is better

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