The GPU: Faster

The GPU was the main recipient of Apple's attention for this upgrade. The old entry level model shipped with a pretty disappointing AMD Radeon HD 6490M. Apple has since upgraded the entry level 15-inch model to the Radeon HD 6750M, more than doubling its compute horsepower and memory bandwidth. Memory capacity has doubled as well to 512MB. I don't believe 512MB is ideal if you're going to be driving an external 27-inch panel, but for use on the notebook's screen alone (even at high res) you should be fine.

Discrete GPU Options
  AMD Radeon HD 6750M AMD Radeon HD 6770M
Manufacturing Process 40nm 40nm
SPs 480 480
Texture Units 24 24
ROPs 8 8
Core Clock 600MHz 725MHz
Memory Bus Width 128-bit 128-bit
Memory Clock 900MHz 900MHz?
Frame Buffer 512MB GDDR5 1024MB GDDR5

The upgraded configuration now comes with a Radeon HD 6770M. The 6770M increases shader clock but not the number of processors on the GPU. Memory bandwidth may be improved, it depends on what memory clock Apple decided on - by default the memory interface is no faster than the 6750M. The bigger difference for non-gamers will be the 1GB framebuffer that comes with the 6770M. If you're going to be using a 27-inch display, you'll want this GPU.

I tested the 6750M in the $1799 model and found it generally comparable to the 6750M in the old upgraded setup. The old 6490M is much slower and thankfully, out of the picture:

Half Life 2: Episode 2 (Mac OS X)

Half Life 2: Episode 2 (Mac OS X)

Starcraft II - AT GPU Bench (Mac OS X)

Starcraft II - AT GPU Bench (Mac OS X)

Starcraft II - AT CPU Bench (Mac OS X)

Starcraft II - AT CPU Bench (Mac OS X)

Silicon Updates Display Quality & Peripherals
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  • flomt - Saturday, December 24, 2011 - link

    Does Apple ship you a product to test, knowing who you are, or do you go to a store and buy one?
    I have a macbook pro 13 mid 2010 and out of the box only got half the battery life you seen to have.
    After visiting with Apple about my "poor" battery life, they said I was normal.
    Visiting with some friends, nobody came come close to your battery times.
    Why the big differences?
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  • bob33 - Saturday, March 24, 2012 - link

    So, as gradjoh mentioned, in layman's terms is the "early 2011" 2.3 GHz 4Gb RAM model better than the "late 2011" 2.4 GHz 4Gb RAM model, in terms of speed/performance, etc.?

    Thanks
    Reply
  • MiddletonBanks - Tuesday, April 17, 2012 - link

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  • fifi007 - Sunday, January 26, 2014 - link

    This about sums up the Early 2011 Macbook Pro -- broken -- http://www.change.org/en-AU/petitions/timothy-d-co... Reply

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