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Will upgrading from a 4200 to 5400RPM HD significantly decrease battery life?

Not by a whol bunch, thoyg. Check the differences in power cinsumpti and calcyulsye sdiiffernce in battery life if you have the specs,.

soryry i am eating kfc
 
Personally, I wouldn't mind a variable speed hard drive... though that's hard on the motors.. or even a really slow hard drive. Anything to get more battery life...

My laptop gets 4-6hours of battery, btw.. I once played 2 dvds from a single battery charge.
 
Originally posted by: everman
What exactly do you need to speed up? Maybe you can use more ram.
Click to expand...
It's more of a general question. I don't have the laptop yet (getting here on Friday), but one of the first things we do with laptops when we buy them for the department is upgrade the HD. We've found it makes a significant difference in quite a few of the applications, but since the computers are usually plugged in (being used for presentations, etc.), we haven't had a chance to check out the differences in battery life.

That's why I was wondering how much. Didn't figure it would be a ton, but wanted to ask anyway. 😀

Rob
 
Yeah, see if you can find power consumption specs..

You never know, maybe the 5400rpm drive actually uses less power than the 4200.
 
There's probaly only 0.1 amps difference.

I doubt if you will notice a big difference in battery consumption

You probably won't notice that much in performance increase either



BTW..

brxndxn -
what the heck kind of laptop gets 5 - 6 hours of battery life?
 
Requirement +5VDC(±5%)
Dissipation (typical)
Startup (max. peak) 5.0 W
Seek (average) 2.6 W
Read (average) 2.5 W
Write (average) 2.5 W
Power consumption efficiency (watts/GB) 0.021
Click to expand...

Those are for the new drive...dunno what the old one is, since I don't know the model #.

Rob
 
The most annoying thing about laptops today is the HDD speed. Most are signifigantly slower than your average desktop at loading applications and accessing files. Especially ones with 4200RPM drives.

A HDD change is going to really make a difference, Entity. IMHO, it would be worth a minor drop in bat life.
 
Originally posted by: deftron
There's probaly only 0.1 amps difference.

I doubt if you will notice a big difference in battery consumption

You probably won't notice that much in performance increase either



BTW..

brxndxn -
what the heck kind of laptop gets 5 - 6 hours of battery life?
Click to expand...
Really? Putting new drives into our 4150's in the past have made them feel much more responsive, both from our own and our professor's observations. Maybe it's a placebo thing. 😀

Rob
 
Originally posted by: Entity
Originally posted by: deftron
There's probaly only 0.1 amps difference.

I doubt if you will notice a big difference in battery consumption

You probably won't notice that much in performance increase either



BTW..

brxndxn -
what the heck kind of laptop gets 5 - 6 hours of battery life?
Click to expand...
Really? Putting new drives into our 4150's in the past have made them feel much more responsive, both from our own and our professor's observations. Maybe it's a placebo thing. 😀

Rob
Click to expand...

No, it's not a placebo. They put cheap, slow drives in budget lappies to meet a price point. The change between a budget 4200RPM drive and a quality 5400RPM drive is like night and day.
 
Originally posted by: Howard
Not by a whol bunch, thoyg. Check the differences in power cinsumpti and calcyulsye sdiiffernce in battery life if you have the specs,.

soryry i am eating kfc
Click to expand...

Best post of the day. 😀
 
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