P7500 vs SL9400 vs SU9400

I just wanna ask you guys some questions about these CPUs.

How do they perform tasks like web surfing (using Firefox with medium loads of Flash), converting small video clips?

And how are they in compared to the i5 520M?

Thanks in advance

 

They will perform the websurfing tasks well enough and convert small video clips in 'good enough' fashion too (good enough; time-wise).

Compared to the i5 they will seem like the 6+ year old technology that they mirror - especially when converting the video.

However, they will all achieve better battery life than the i5 can manage.

What do you value most? Battery life or performance?

 

i need performance
and how are they in compared to each other?

 

Hm, I think we are going to need a bit more information about your uses with the notebook to help here. Maybe you could fill out the FAQ:
http://forum.notebookreview.com/wha...ould-i-buy-form-must-read-before-posting.html
. . . and then make a post in that forum?

 

SL9400 is the best of those 3, hands down.

The i5 520M however is better than all of them (unless you mean the i5 520um)

 

i really mean the 520M

actually, i am using a Dell Latitude E6410 (my company gave it to me) with the i5 520M inside, but i wanna change to a MacBook Air since i want a lightweight machine. the point is i dont have much money for a spanking new Air, so I decide to get an old one, probably with SL9400 or P7500. and i wanna ask you guys how slower are they in compared to the i5 520M.
?

 

They're a lot slower but for web browsing you'll hardly notice it. Especially because there is an SSD in the Air.

To see how much slower, check Notebookcheck Mobile CPU list or Passmark CPU list on Google.

 

Wow, talk about changing the original question, eh?

It's not the i5 you should be comparing then, the old 'Air' is running a slug of an SSD and that is going to be your main bottleneck (in addition to the slower cpu) when converting your video clips.

I used an original 'Air' for about 40 minutes before I finally realized that I was waiting for everything to load/display/respond in anyway related to a timely fashion before the thought hit me: this thing is burning a hole in me and I once again gave up on the macs.

So to directly answer how slow the 'Air' will be compared to your current Dell?

About five light years slower. Especially with a 'used' SSD and worse with a 1.8" HD.

Okay to browse the internet with - but anything more is wishful thinking - if you actually want to be productive and/or value your time at all.

Most importantly, keep in mind that there is nothing user serviceable inside the 'Air'. Not the HD/SSD, not the RAM, not the battery and as far as I know, not the O/S either (if you wish/need to dual boot to Windows).

So, with all the above caveats do you think you can make a used 2008/2009 era 2GB maximum system work for you? I don't think the cost is worth it - in any sense of the word.

You will have portability, but at the expense of everything else.

I recommend an Asus U30Jc for close to the same money you seem to want to spend on a used 'Air'.

 

Thank you so much tiller

 

The first generation Air had a slow 64GB SSD.

The 2009 generation had quite a speedy 128GB Samsung SSD. I owned it for a while. I used it for web, office, music, video and bootcamp. It was more than fast enough.

If your Dell has a HDD, the Air with 128GB SSD would be faster on many occasions.

Here's a video of a Core i7 with HDD vs. Air (SU9400) with SSD.

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That video is so funny when you put it into perspective. You hear all the time people say "That CPU will make that CPU seem light years away" or "This CPU will blow that CPU out of the water". Now having and been around just about every one out, I've not seen this light year away stuff unless you are doing something very CPU dependent, which most don't do.

 

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Phil, is not this video of the 2010 Air?

 

The video was to give an example of 'If your Dell has a HDD, the Air with 128GB SSD would be faster on many occasions.'

The same will go for the 2009 Air with SSD.