Connectivity & Charging
The LG G4 has some serious connectivity prowess, with the use of a Qualcomm X10 LTE modem that's capable of a huge 450Mbps, if your provider can handle it. You'd want some unlimited goodness with that, of course.
Both handsets feature kick-ass Wi-Fi technology, with 802.11 a/b/c/n/ac, and dual-band. I have a 100Mbps fiber connection at home, and could easily max it out with either handset. Both smartphones were super quick on my home Wi-Fi connection too, which can't be said for all handsets.
Something where Samsung did some good compared to the G4, is in the form of built-in wireless charging. This is a first for Samsung, and I have to say, it's a big win in my book. My Galaxy S6 edge can be put onto any Qi-based wireless charger, and just... well, charge. It should be that easy, and it is with the S6 and S6 edge. The G4 on the other hand doesn't have wireless charging built-in, but you can buy an additional cover for it, which will provide wireless charging capabilities.
Both handsets feature quick charging capabilities, which can get the G4 or S6 from 0-10% to 100% charge in a little over an hour. This is something worth writing home about. I used both smartphones for a few weeks, and with the quick charging capability, I could quickly charge my G4 or S6 edge up to full charge while I had a shower and got ready for my next meeting or catch up with friends.
It might not sound like much, but when you're used to hours upon hours of charging up your phone, charging up a premium flagship smartphone in just over an hour is like magic.
4K Out? Sorry, Samsung.
Both the G4 and S6 have 16-megapixel rear-facing cameras that are capable of shooting 4K video. It looks gorgeous, and plays back on the 1440p displays like silk. But how do you get those videos off of your smartphone?
I had a few situations where I needed to show people something on my smartphone, but had so many troubles with playing back 4K content from my Samsung Galaxy S6 edge. Why? Because Samsung doesn't think shooting 4K and playing back that 4K video should be easy, because it's not.
In order to playback my 4K content from my S6 edge, I had to plug it into my laptop, transfer the video to my laptop, and then plug said laptop into a 4K TV in order to play it back. Both of Samsung's Galaxy S6 smartphones only support Miracast, and with Miracast not supporting 4K, you're completely stuck. You have to transfer your 4K content off of the phone, and onto another device before you can even play it back. And in this day and age, with a $1000+ smartphone, you simply shouldn't have to do that.
The G4, on the other hand, features Analogix's SlimPort technology. All you have to do to playback your 4K content on your G4 is use a SlimPort 4K cable, and plug it into your 4K TV and voila - 4K playback. It makes the G4 seem leaps and bounds better than the S6, and in this area, it really is. It feels as though Samsung, with all of the internal prowess, is stuck in the dark ages when it comes to getting your beautiful 4K video out of the smartphone, and onto a TV.
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