When comparing LG G3 vs Samsung Galaxy S5, the Slant community recommends Samsung Galaxy S5 for most people. In the question“What are the best phablets? ” Samsung Galaxy S5 is ranked 4th while LG G3 is ranked 5th. The most important reason people chose Samsung Galaxy S5 is:
The camera has good low-light performance, quick auto-focus (takes about 0.3 seconds), real-time HDR capabilities and can record 4K video.
Specs
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Pros
Pro Great 5.5" QHD display
The LG G3 has a high quality 5.5" 2560x1440 IPS (534 ppi) display with accurate colors, good viewing angles, contrast and outdoor performance.
Pro Relatively lightweight and compact for a phablet
Compared to its main competitors the LG G3 is lighter and fits a 5.5 inch display into the same overall dimensions as the HTC M8 does with a 5 inch display.
Pro Solid build quality and atractive design
The LG G3 has a high quality, scratch-resistant plastic case that's supposed to look and feel like brushed metal. Volume and power buttons are placed on the back. The phone has small bezels making it compact for a phone of its size at 146.3 x 74.6 x 8.9 mm.
Pro Removable battery with reasonable life
LG G3 has a 3000 mAh battery that according to Phonearena will drain in about 6h of typical usage. Considering the high resolution display, it's actually a good battery life overall.
Pro Useful OEM skin
G3 comes with a custom front-end touch interface called Optimus UI. It adds additional functionality to the device.
For example, it allows changing the height of the keyboard, has an enhanced clipboard feature that remembers multiple things copied and a dual window feature for multitasking.
It also has an intelligent personal assistant called "Smart Notice", supports Knock code for unlocking the device and includes "Content Lock" that allows storing files in a secure, private area.
Pro Expandable storage
A micro SD slot is located behind the back cover allowing the storage to be expanded up to 128 GB.
Pro Good 13 MP camera
G3 has a 13 megapixel camera with optical image stabilization and good low-light performance. The phone uses "laser autofocus" allowing for very quick autofocus (276 milliseconds). If the data from IR is unreliable due to light conditions it can still fallback to contrast autofocus. It's also capable of 4K video.
The accompanying software allows taking selfies by making a fist gesture that will then start the countdown timer.
Pro Good performance
The G3 has a 2.5 GHz quad-core Qualcomm Snapdragon 801 CPU with 2 GB (for the 16 GB version) or 3 GB (for the 32 GB version) of RAM. The device is snappy in everyday use.
Pro Great 16 MP camera
The camera has good low-light performance, quick auto-focus (takes about 0.3 seconds), real-time HDR capabilities and can record 4K video.
Pro Beautiful 5.1" 1080p screen
The S5 has a bright 5.1" 1920x1080 AMOLED screen with excellent contrast, color accuracy and the ability to toggle between wide color gamut and accurate color.
Pro IP67 certified
S5 is IP67 certified, which allows the phone to be submerged in water for ~30 minutes without damage. It's also resistant to dust.
Pro Removable battery with great life
OPO has a 2800 mAh battery that according to Phonearena would drain in under 8 hours of typical use.
Pro Strong performance
The Galaxy S5 uses a Snapdragon 801 2.5 GHz CPU with 2GB of RAM and a 578MHz Adreno 330 GPU. The phone is capable of handling most software without a hitch.
Samsung also optimized software response times to touch improving the overall speed of the device. Although Samsung's sometimes extraneous software can lead to slowdowns.
Pro Expandable storage
Cons
Con Qi wireless charging in US is only available if QuickCircle case accessory is installed
Although the G3 natively supports Qi wireless charging in other markets, in US, due to carrier's restrictions, it is only supported if QuickCircle case accessory is installed.
Con Overheating problems
Con Has bloatware and a questionable front-end interface called TouchWiz
Galaxy S5 comes with a lot of extra applications not present in stock Android and an alternative front-end touch interface called TouchWiz that changes much of the default functionality of Android.
Of the application included many duplicate the functionality of stock applications and essentially become useless taking up space and slightly slowing down the performance.
Con Annoying flap covers the charging port
Con Bland design
It's made from somewhat cheap feeling plastic.