Radeon HD 6450M vs Radeon HD 6770M Mac Edition

Radeon HD 6450M
Memory: 1024Mb DDR3MOBILE
Release date: 4 Jan 2011
Radeon HD 6450M
Radeon HD 6770M Mac Edition
Memory: 512Mb GDDR5MOBILE
Release date: 28 Jan 2011
Radeon HD 6770M Mac Edition
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon HD 6450M vs Radeon HD 6770M instead?

Summary

Reasons to consider Radeon HD 6450M

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon HD 6770M Mac Edition

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Radeon HD 6770M Mac Edition

HWBench recommends Radeon HD 6770M Mac Edition

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 6450MRadeon HD 6770M Mac Edition
GPU NameSeymour (Seymour PRO)vsWhistler (Whistler XT)
Fab Process40 nmvs40 nm
Die Size67 mm²vs104 mm²
Transistors370 millionvs716 million
Shaders160vs480
Compute Units2vs6
Core clock600 MHzvs725 MHz
ROPs4vs8
TMUs8vs24

Memory Configuration

Radeon HD 6450MRadeon HD 6770M Mac Edition
Memory TypeDDR3vsGDDR5
Bus Width64 bitvs128 bit
Memory Speed800 MHz
1600 MHz effective
vs900 MHz
3600 MHz effective
Memory Size1024 Mbvs512 Mb

Additional details

Radeon HD 6450MRadeon HD 6770M Mac Edition
TDP0 wattsvs35 watts
Release Date4 Jan 2011vs28 Jan 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 6450M
    2.40 GP/s
  • Radeon HD 6770M Mac Edition
    5.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6450M
    4.80 GT/s
  • Radeon HD 6770M Mac Edition
    17.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6450M
    12.80 GB/s
  • Radeon HD 6770M Mac Edition
    57.60 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6450M
    192.00 GFLOPs
  • Radeon HD 6770M Mac Edition
    696.00 GFLOPs

GFLOPs - higher is better

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