Interface and Functionality

iOS moves faster on the iPhone 6s Plus, but the LG G4 is more productive.

Android and iOS may be two very different beasts, but we can hardly remember them being more alike. Over the years, Apple and Google have successfully matched the functionality and polish essentials of the two operating systems. However, the iPhone 6s and 6s Plus are treated to the exclusive features of 3D Touch. Utilizing a pressure-sensitive layer below the display, 3D Touch enables two new gestures across iOS 9: Peek and Pop. Peek corresponds to a slight press on the screen, while Pop is engaged when the user presses harder.

Throughout most of iOS 9's built-in applications, Peek (a light press) causes a small preview window to appear – a preview of the item you have pressed on. For example, in Mail, you can press on an email to reveal a preview of that message. Lifting your finger off the screen will simply cause the preview to disappear. This way, you can quickly glance through your emails without having to open and close them one by one. If you're already peeking into a message, a harder press will cause it to instantly “pop” onto your screen. It's a nifty and useful trick that we like to use.

Another feature the iPhone 6s Plus has over the LG G4 is fingerprint security, courtesy of the former's built-in Touch ID sensor. Your fingerprint may serve as an alternative to a lock screen PIN, but is also used to authorize payments made using Apple Pay. In contrast, the absence of a fingerprint scanner on the LG G4 is bad future-proofing and a turn-off to Android lovers who would like to use the Android Pay system.

However, some of the LG G4's functionality is still unmatched by the iPhone 6s Plus and iOS 9. Such standout features include Knock On and Knock Code, the former letting you lock and unlock the phone with two taps on its screen, the latter locking and unlocking the device with a personalized tap pattern. Moreover, the LG G4 supports custom themes, and we'd like to mention the QSlide apps and Dual Window functionality, which let you use miniaturized apps as floating windows, or use two apps in split-screen mode. The iPhone 6s Plus' multitasking feels limited in comparison, for all it has to offer is a fast app switcher. Also, LG's smartphone features an IR Blaster that lets it fill in as a remote control for TVs and other appliances.

Processor and Memory

Cutting-edge specs on both smartphones aside, the iPhone 6s Plus' 3D graphics performance destroys all.

Being premium-tier devices, both the iPhone 6s Plus and LG G4 feature some cutting-edge specs. The Apple phablet is powered by a 64-bit A9 SoC, with a dual-core CPU, affectionately nicknamed "Twister", that goes up to 1.8 GHz. A PowerVR GT7600GPU is keeping the CPU company, along with 2GB of LPDDR4 memory. Storage-wise, the handset comes in 16GB, 64GB, and 128GB variants. There is no option for memory expansion via microSD card. Those settling for the 16GB variant will be at a certain disadvantage, for shooting 4K video, taking 12MP photos, and loading up on apps and music will quickly eat up storage space.

The LG G4 employs a Qualcomm Snapdragon 808 SoC that contains a hexa-core CPU, with two high-performance ARM Cortex-A57 cores running at up to 1.8GHz and four power-saving ARM Cortex-A53 cores handling lighter loads. The Adreno 418 GPU is also part of the SoC package, along with 3GB of LPDDR3 RAM. The phone can be had with 32GB of storage, expandable via microSD card.

The iPhone 6s Plus is a very responsive smartphone whose operation feels super-tight, more than on the LG G4. This might sound puzzling, considering LG's flagship has a CPU with more cores and whatnot. But the truth is that the iPhone 6s Plus is incredibly fluid, while its 3D graphics benchmark scores are rivaled only by the iPhone 6s'. Powerful as it is, the LG G4 has a hard time keeping up in 3D games, due to its comparatively underpowered graphics unit and very high display resolution. Thus, the iPhone 6s Plus is able to maintain a staggering 59 average FPS on GFXBench's intense Manhattan on-screen test, while the LG G4 is barely even there with just 9.4 average FPS.

The iPhone 6s Plus' performance advantage is also evident during casual use. iOS just seems to dance on the screen without a hint of stutter, while the LG G4 feels ever so slightly sluggish at times. Still, for such a feature-packed phone running at a 1440p resolution, LG's flagship feels fluid enough and using it is no turn-off.

AnTuTu Higher is better
Apple iPhone 6s Plus 58664
LG G4 50330
Sunspider Lower is better
Apple iPhone 6s Plus 218.2
LG G4 730.2
GFXBench T-Rex HD on-screen Higher is better
Apple iPhone 6s Plus 59
LG G4 25
GFXBench Manhattan 3.1 on-screen Higher is better
Apple iPhone 6s Plus 38.4
LG G4 9.4
Basemark OS II Higher is better
Apple iPhone 6s Plus 2032
LG G4 1549
Geekbench 3 single-core Higher is better
Apple iPhone 6s Plus 2526
LG G4 1112
Geekbench 3 multi-core Higher is better
Apple iPhone 6s Plus 4404
LG G4 3559

Internet and Connectivity

Both devices offer wide standard compatibility and smooth browsing, but Safari on the iPhone 6s Plus is faster.

Both the iPhone 6s Plus and LG G4 are connectivity beasts, featuring support for standards like Cat. 6 LTE, aGPS with GLONASS, Bluetooth, dual-band Wi-Fi, and NFC, among everything else that's in there! However, the LG G4 also supports display connections via DLNA and 4K video output via SlimPort. The iPhone 6s uses a Nano-SIM card, while the G4 uses the bigger Micro-SIM cards, just so you know.

Where web browsing is concerned, Safari's excellence in surfing the web is proven. All of its endearing characteristics, such as speedy page loads, buttery-smooth performance, and intelligent navigational controls are present on the iPhone 6s. The experience is further enhanced with the addition of 3D Touch. Using light 3D Touch on a link, its Peek feature kicks in to show us a small preview into what we’re targeting – as opposed to blindly committing by pressing on the link like we normally would. It's a small, but useful feature that one might keep using in the long term.

Browsing on the LG G4 feels pretty great as well, especially with that vibrant 5.5-inch display. The LG G4 comes with its custom browser, but we'd suggest that you use Google's Chrome, as it tends to be speedier. With it, pages load quickly, while navigational actions, such as scrolling and zooming, are reasonably snappy and fluid.

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