The X vs XS
- IP67 vs IP68
- Advanced LTE vs Gigabyte LTE
- A11 vs A12 Bionic chip (15% faster)
- 3GB RAM vs 4GB RAM
- Single SIM vs Dual SIM
- Selfie 30FPS vs 60 FPS at 1080p
- Pixel size on sensor 1.2 micro meters vs 1.4 micro meters for better low light pics.
The XS has :
- 30 mins more battery life
- Slightly faster FaceID
- Gold finish
The X has stopped being sold at Apple. If your buying new, go with XS hands down.
If you can find an X being sold personally on sale around $700 or less, then the X might be worth it.
If you already own an X, XS is not that much of an upgrade you’ll miss out on IMO. The X is still a beast, not like it got slower and about to get performance boost with iOS12 too. iphones will emulate the X’s swipe gestures with no home button, so it’s not like the X is going to become outdated like iPhones with a home button are.