Radeon HD 6490M vs Radeon HD 6750M Mac Edition

Radeon HD 6490M
Memory: 512Mb GDDR5MOBILE
Release date: 4 Jan 2011
Radeon HD 6490M
Radeon HD 6750M Mac Edition
Memory: 512Mb GDDR5MOBILE
Release date: 18 Apr 2011
Radeon HD 6750M Mac Edition
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon HD 6490M vs Radeon HD 6750M instead?

Summary

Reasons to consider Radeon HD 6490M

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 6750M 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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 6750M Mac Edition

HWBench recommends Radeon HD 6750M Mac Edition

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 6490MRadeon HD 6750M Mac Edition
GPU NameSeymour (Seymour XTX)vsWhistler (Whistler PRO)
Fab Process40 nmvs40 nm
Die Size67 mm²vs104 mm²
Transistors370 millionvs716 million
Shaders160vs480
Compute Units2vs6
Core clock800 MHzvs598 MHz
ROPs4vs8
TMUs8vs24

Memory Configuration

Radeon HD 6490MRadeon HD 6750M Mac Edition
Memory TypeGDDR5vsGDDR5
Bus Width64 bitvs128 bit
Memory Speed800 MHz
3200 MHz effective
vs794 MHz
3176 MHz effective
Memory Size512 Mbvs512 Mb

Additional details

Radeon HD 6490MRadeon HD 6750M Mac Edition
TDP0 wattsvs35 watts
Release Date4 Jan 2011vs18 Apr 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 6490M
    3.20 GP/s
  • Radeon HD 6750M Mac Edition
    4.78 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6490M
    6.40 GT/s
  • Radeon HD 6750M Mac Edition
    14.35 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6490M
    25.60 GB/s
  • Radeon HD 6750M Mac Edition
    50.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6490M
    256.00 GFLOPs
  • Radeon HD 6750M Mac Edition
    574.10 GFLOPs

GFLOPs - higher is better

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