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The lounge Relax, take a break from photo and camera talk - have a chat about something else for a change. Just keep it clean and polite!

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  #46  
Old 2nd August 2012
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Re: Speccing a laptop

Just starting to compare times between my old laptop (2.0GHz AMD Turion 64 X2 TL-60 dual core, with SSD and 4GB RAM) and the new one (2.2-3.1GHz Intel Core i7 2670qm quad core, 750GB 5400RPM HDD, 8GB RAM).

Lightroom 4.1 - Re-size and export 392 adjusted RAW files to JPEG. This took 3 hours and 25 minutes on the old laptop and 48 minutes on the new one . I'm planning to fit an SSD so that time can only go lower still.

Adobe Premiere Pro CS6 project - 3 hours and 20 minutes on the old laptop and just 28 minutes with the new one (no GPU acceleration).

I have tried to configure GPU acceleration but I don't think it's working as I have not seen any improvement in rendering times, so I'm still fiddling with that.

Ian
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  #47  
Old 2nd August 2012
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Re: Speccing a laptop

I must say you've a cracking machine there now, Ian, and more so once you've finished fettling it.

With a decent external monitor, it certainly blurs the argument for a desktop PC.

The only thing missing, as far as I can see, is a USB 3.0 port for quick card downloads. Unless you've got plans, of course ...
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  #48  
Old 2nd August 2012
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Re: Speccing a laptop

It has 2x USB3 ports, one USB2 and one combo USB2 and eSATA port

Also an HDMI port as well as an analog D-Sub monitor port. I would have liked a PCIe port but these seem to be out of fashion at the moment!

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Re: Speccing a laptop

Quote:
Originally Posted by Ian View Post
It has 2x USB3 ports, one USB2 and one combo USB2 and eSATA port

Also an HDMI port as well as an analog D-Sub monitor port. I would have liked a PCIe port but these seem to be out of fashion at the moment!

Ian
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  #50  
Old 2nd August 2012
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Re: Speccing a laptop

I have cracked the GPU hardware acceleration settings for Adobe Mercury Engine Playback and without the GPU a 2 minute 24 second 1080HD 30P project took 18:45 mins to render and with the GPU enabled this dropped to 4:23 mins, almost 4.3x faster. On my old laptop the same job would probably have taken about 80 minutes, so around 18 times faster overall

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  #51  
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Re: Speccing a laptop

Looks like I severely overestimated the relative performance of my old laptop. I haven't run the same video project completely but it looks like it will take the best part of four hours compared to under four and a half minutes with the new GPU accelerated laptop. So that makes it almost 60x faster!

To be fair, I know someone who has a very powerful desktop with a more powerful Core i7 CPU and a much more powerful graphics card, plus an SSD and 16GB memory and he can render 1080HD projects faster than real time, so for example a 60 second clip takes less than 60 seconds to render. My system is around double real time (60 second clips take a couple of minutes to render).

I am going to upgrade my desktop too, although I'm restricting my budget quite severely, so I won't be fitting a Core i7 CPU, instead it will be an AMD Phenom II quad core CPU. Sounds good, but this will be about 65% of the power of my laptop CPU. However, I will be able to fit a more powerful graphics card.

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  #52  
Old 6th August 2012
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Re: Speccing a laptop

I tell you what - a Core i7 2670qm CPU and decent graphics GPU makes even Olympus Viewer usable

Just been doing some DVD ripping to transfer DVDs to the tablet and smartphones - I'm able to rip a whole movie in about 25 minutes

And battery life is not bad (if not spectacular by current standards) at just under 5 hours with the Dell 'balanced' mode and graphics GPU on auto selection mode. I'll be trying power saving mode tonight, but the signs are it will only offer a limited improvement - maybe 20%.

Ian
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