What's the hardware difference between the Dell XPS 15 starting at $999 (1637sv2) loaded with a Core i5 and GTX 1050 for $1,149 total and the XPS 15 starting at $1,349 (1641sv2) with all the basic options?So at Dell's xps-15-9560-laptop site I specced the following laptops:http://www.dell.com/en-us/shop/productdetails/xps-15-9560-laptop/dncwxb1637sv2Core i5-7300HW processor (+$100 from base price)NVIDIA GTX 1050 with 4GB GDDR5 video card (+$50 from base price)8GB DDR4-2400MHz ram500GB 720RPM Hard Drive + 32GB Solid State Drive56WHr battery$1,149.99 costhttp://www.dell.com/en-us/shop/productdetails/xps-15-9560-laptop/dncwxb1641sv2Core i5-7300HW processorNVIDIA GTX 1050 with 4GB GDDR5 video card8GB DDR4-2400MHz ram256GB PCIe Solid State Drive97WHr battery$1,349.99 costOther than hard disk, battery, and cost, is anything different between the 1637sv2 and 1641sv2 as specced?  The $200 price difference seems a lot to pay just for a basic SSD and +73% battery capacity - although I guess for retail pricing that's probably par for the course.  Can I just buy the basic 1637sv2 model, swap in an SSD, upgrade the battery, and it'll be identical to the 1641sv2 model?I noticed that the 1637sv2 doesn't have an option to upgrade the processor to a Core i7 while the 1641sv2 does.  Are the motherboards significantly different?  At least the CPU sockets must be different, right?Any reason I should go with the more expensive 1641sv2 vs buying the 1637sv2 and swapping in the SSD and battery separately?I'll be using the laptop for medical school, so want it to last at least 4 years.
What is the difference between Dell XPS 15 1637sv2 (starting $999) and Dell XPS 15 1641sv2 (starting $1,349)?
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