How is the battery life on the gaming laptops?

[Clydefrog]

Looking at the 15'' gaming laptops like Optimus, and I'm wondering how the battery holds up. It says "Max 4 hours 10 minutes under UMA mode". Is this when idling or when it is used? What is UMA mode? Anyone have any experience and have tested it?

I really need a laptop that can handle moderate gaming, but I need it to last since I'm bringing it to university every day (don't need it to last when I'm gaming, but when I'm doing programming, surfing etc.)

 

[njz]

My Optimus V (13.3" version) typically lasts around 3-3.5 hours on battery with normal use (emails, browsing, Word, Netflix etc...), but I don't game on the battery so I can't tell you how good it is with that.

I don't know what UMA is, but this forum offers some insight: http://forum.notebookreview.com/threads/what-exactly-is-uma.609112/

 

[SpyderTracks]

Looking at the 15'' gaming laptops like Optimus, and I'm wondering how the battery holds up. It says "Max 4 hours 10 minutes under UMA mode". Is this when idling or when it is used? What is UMA mode? Anyone have any experience and have tested it?

I really need a laptop that can handle moderate gaming, but I need it to last since I'm bringing it to university every day (don't need it to last when I'm gaming, but when I'm doing programming, surfing etc.)

I think UMA refers to when it's using the iGPU, UMA being when the iGPU uses system RAM to speed processes, stands for unified memory architecture

 

[Gandalf87]

UMA is uniform memory access - a shared memory access. Not good really. Aside the regular heating issue I've had with the couple of laptops a friend and I use for gaming, the battery is another issue. We can't really push the system for a 3rd 45-min match because it would start acting weird mid-way. We've even been through penalties and it's very frustrating.