Which battery should be better?

[TheSailor18]

Hi there,

So im thinking about these 2 laptops:
MSI PE60 6QE-689NL (i7-5700HQ, gtx 960m, SSD + HDD @ 7200rpm, 60 wH 6 cell battery )
Asus VivoBook R516UX-DM466T (i7-6500U, gtx 950m, SSD + HDD @5400 rpm, 48 wH 3 cell battery

I realize the Asus U cpu is less powerfull but using less energy as well. Also, the HDD @ 5400 instead of 7200 and the 950m instead of 960m should save a little on power usage as well.

Taking the specifics into account and then 3 cell vs 6 cell:
- Which laptop should have a longer battery life? Why? And can there be an estimated difference?
- How do cells double but wH capacity is only 22% more?

Thanks,
James

 

[jsmithepa]

How do cells double but wH capacity is only 22% more?

You know how some numbers vendors throw at your really doesn't matter, the number of cells. Everybody knows about standard batteries AA-AAA-C-D etc. Do you compare one A cell versus one D cell as same? Obviously not.

The numbers that matter (thanks God they provided it) are 60Wh and 48Wh, and indeed 60Wh provides 22% more capacity, but as you mentioned, it has a bigger tank but the engine is also more thirsty so how do you know?

There is no way to know unless somebody publishes benchmarks, and here is how you rely on reviews, and I mean in-depth reviews where the tester put them to their paces.

In absence of in-depth reviews, I would take my chance on the 48Wh just because I hate heavy laptops. You don't get another 12Wh for no weight penalty, plus the charger, which you must carry, will be smaller.

 

[TheSailor18]

thanks for your reply!

I have seen one in-depth review of the MSI PE, and it stated about 2,5hours battery life with wireless and not too heavy load. Couldnt find a good one about that Asus laptop yet, though from all the reading i would, rougly, estimate it to be similar
The weight is 2,3 vs 2 kg, but to be honest that and a little bigger adapter are not much of a problem to me if i would get for example 15-30min longer battery life.

I guess its indeed just hard to estimate or compare with different configurations and battery wattage.