Here's my $02 regarding your quandary.
13" has long been the favored laptop for people always on the go, and while I prefer 15" because imo you get more bang for your buck, in this instance a smaller laptop may make more sense.
You mention running windows which sounds like you'll be getting a MBP to run windows 100% of the time, if that's the case, please be aware that cooling, and power is not optimized under windows, so the highly rated battery life on the Mac will not be realized if you're chugging along in windows. Additionally, it may potentially run into thermal throttling issues which could impact performance.
If you're running windows, why not consider a windows laptop? They're cheaper, just as feature rich and may be the better tool for the job.
Either way, I think in your case, the best option is a 13" laptop.
Edit: Let me add that under windows the touchbar isn't really customizable and being OLED you run a higher risk of it burning in, since it will not be changing dynamically to a degree that it may under macOS
Good points and I almost forgot how bad Windows is at optimisation, plus its effect on battery.
For the OLED Touch Bar, would the 'default' F keys remain on all the time in Windows? (which is fine by me). Also, how likely is it really that this could cause burn in?
Windows will be used 100% of the time during the commute, but when I have access to my work laptop, I won't be using windows on my Mac.
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This is the exact same issue i have. The difference for me was 13" £2499 or 15" £2579
I ended up ordering the 13" and i am going to pick up today but i think i am going to double check the size of the 15" one more time. The only reason i didn't order the 15" is because of the size. if the size isnt an issue for you its a no brainer, go for the 15".
From memory, my brother has the 2017 15" MBP which has a smaller footprint than my 2015 15", so in reality there is already a reduction in size to what I currently use and are used to.
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Check what maflynn is saying word by word because he is on point
To buy a mac just to use it for Windows...i mean not even on VM...is not justified...you loose thermals, your laptop will be hotter , with 5-6 hours battery on light usage.
There are windows laptops 13" and 14" that can pass , real pass 6 hours of light usage now...
The use of windows will be during the commute only. When I'm at work or know that I will be working from home, my windows laptop will be the primary laptop. It's just impossible to use the work laptop on a train.
The issue with not using windows for work is due to licensing... Adobe, we have windows license. Sketchup is the same situation and the CAD we use is free for Mac and Windows. Dropbox is of course native on both OS.
A lot of it depends on what I'm doing on any given day. Somedays it could just be email or reading PDF's. Other days it could be a lot of photoshopping or 3D modelling.
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My view:
- If it's your only computer and will be primarily used at home rather than out and about then I think the 15 inch wins out.
- If you already have a powerful desktop machine or are constantly on the move then the portability of the 13 inch would trump the extra screen size and power of the 15 inch
This is what I'm thinking. The 13" is around 5% less powerful in CPU and GPU than the high end 2019 13" MBP. The 15" one will outperform my windows laptop almost two-fold!
The question came into, would 8GB be enough if my work desmands can vary so much and if I want this to see me through the next 4-5 years as my current MBP has. Then it comes into paying a few £hundred difference for a larger screen (not really what I want) and at the same time getting a very, very powerful Mac, albeit with not enough storage!