09-20-2018 10:06 AM
I am planning to purchase the T480. I am a Linux user, therefore, I will be installing Ubuntu 18.04. I will use VirtualBox to run a windows system which will be used to do word, excel, visio stuff. This will run through out my work day.
Apart from that, I will also be spinning up other ubuntu VMs to run / test software and apps occassionally. The config I have in mind for the T480 is as below:-
Intel Core i7-8650U Processor (8MB Cache, up to 4.2GHz)
14.0" FHD (1920 x 1080), IPS,Anti-Glare,250nit
32GB(16+16) DDR4 2400MHz SODIMM
Integrated Graphics (Intel UHD Graphics 620)
1TB Solid State Drive PCIe-NVMe M.2 2280 OPAL 2.0
So I am opting for the integrated graphics as I will not be playing any games or doing any graphics / video editing related stuff. Also so that I can save on battery consumption. However, I also notice that if I opt for the MX150 graphic card instead, there will be 2 heatpipes resulting in better cooling system.
So, I would appreaciate some advise on this.
Is it ok to go with the intergrated graphics with the work I do? Will the system heat up if running multiple VMs ?
Should I invest on the MX150 for better cooling ? And will there be significant usage of battery with this ?
Overall, what is the advise. Also, if I should be patient and wait for the T490 assuming it will be launched in Jan / Feb 2019.
I've used the x240 before and I did experience massive heat on the bottom of the laptop.
The X1 carbon 6th gen is very tempting as well, but you can only get a max of 16GB RAM. So, I'm dropping that.
Appreciate all your inputs.
09-20-2018 12:05 PM
Maybe a month ago I posted here regarding throttling. My post referred to a laptop study about throttling and I asked why do people buy I7 laptops only to have them throttled to I5 performance? I would search this forum for throttling. Heat is a killer of electronics so on high end CPU/GPU systems where you want serious work done, you will have heat issues and thus throttling.
09-20-2018 11:34 PM
Thank you for your input. Probably I should consider going for an i5 processor instead as I've read in many other forums that the i7 does degrade to i5 performance level. Also, the cooling system in the T480 is not able to cope with the heat i7 generates.
09-21-2018 05:19 AM
I have the exact configuration you are thinking of except I also got the MX150 and a 512 SSD rather than 1TB. Let me try to address your questions point by point:
So far I've been really happy with the T480. My biggest complaint (that many are hoping Lenovo will address soon) is that they have designed the system to discharge the battery with the least amount of wear. This means that sometimes the system will start discharging the internal battery first rather than the external battery, which almost defeats the purpose of having a hot swappable battery feature. This has angered a lot of users and Lenovo ought to either switch back to the old system where the system discharges the external battery first, or give the user the ability to control which battery is discharged/charged first. For now I have found a work around where I swap between my external batteries so they wear at a slower rate so that the system will prioritize my external batteries.
09-21-2018 08:08 AM
I am running Windows 10 Pro. I haven't really felt the need to enter the Linux universe since I don't want to deal with compatibility issues, etc. with the programs I run.
09-23-2018 07:13 AM
Found some readings about i7 cpu throttling
09-24-2018 07:07 PM - edited 09-24-2018 07:13 PM
I have a completely maxed out T480 except a 512GB NVMe and WWAN. In addition, I installed a 512GB Toshiba NVMe in the 2x PCIe WWAN slot. My workload is the opposite of you: Windows 10, VMware Workstation Pro for Linux and other Windows installations. I went with the MX150 specifically to get the extra heat pipes on the proc. Whether or not I need them is up for debate but I will say the machine doesn't have the fan on as much as I would have expected. It's defientely on but not loud enough to be annoyting. I suspect that if you're in a dead quiet room it may be more noticeable. I'm really picky about the fan making too much noise and for my workload the fan seems to be barely off idle.
My big thing was having enough disk IO available more than CPU performance hence multiple SSD's - if you're heavy on CPU then perhaps you'd want to look at something more robust but I feel like unless you're really hammering on it, you'll be happy with it. Battery life is good - I have the extended monster battery and the regular flush version (which I much prefer) and get about 3 hours out of it with my primary OS running and a few VM's (memory utilization is around 80%).
I know it's not your exact use case but I've been very happy with mine. To be honest, part of me wishes I went with the T480s but then I couldn't have gotten 32GB of memory and the WWAN slot is only 1x so there are tradeoffs. If you need the machine now, then you need it now. I'm not sure why you'd prolong to wait for the next best thing; these things are old after 6 months - just get it done.
EDIT: my battery performance is with the 3 cell internal and 3 cell detachable - I have no idea how long it runs with the big one - I can't stand using it because it make the laptop into this big fat ungainly thing like my W540 was. Even the 6 cell battery has a huge hump - def. get the 9 cell if you're going big. The 6 cell is pointless.
09-25-2018 06:41 AM
Personally I have found the 72wh battery to be visually discrete and the weight not bothersome. I wrote about this and posted some pictures here: https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/T480-battery-size-and-weight/m-p/4215297...
09-25-2018 07:30 AM - edited 09-25-2018 07:32 AM
I'd have to politly disagree on it being discrete but that is subjective. Objectivly, it increases thickness and weight and is clearly function over form (which is ok if you have that requirement for extra battery run time). For me personally, the issue with the big battery is putting it into a laptop sleeve, minimalist messenger bag or a backpack with a dedicated laptop pouch. This laptop is pretty thin (not quite as nice as the T480s or Carbon though) and the big battery kills any benefit of being thin during transport. Might as well get a P52s at that point if the added thickness and weight isn't of much concern (I'm coming from a W540 with the extended battery). To each their own of course.