Now that the iPhone 7 and iPhone 7 Plus are officially on sale, smartphone fans are wondering just how great Apple's new iPhones are. A video provides a look at how the iPhone 7 Plus compares to an iPhone 6s Plus in speed tests and the results may surprise you.

Apple has mastered the art of creating products and services that people didn't know they wanted but after experiencing, can't live without. Tim Cook even pointed this out when speaking to CNBC's Jim Cramer back in May.

"We've got great innovation in the pipeline. New iPhones that will incentivize you and other people [who] have iPhones today to upgrade to new iPhones," said Cook in the interview. "We are going to give you things you can't live without that you just don't know you need today. That has always been the objective of Apple. To do things that really enrich people's lives. That you look back on and you wonder how did I live without this."

Some Apple fans can't imagine a world without FaceTime, while others laud the Touch ID feature, which lets users easily secure their iPhone, iPad and iPod Touch, as well as make mobile payments in a simple manner. The list goes on and on and since the original iPhone released in 2007, the company has maintained a huge consumer interest in every iPhone it has released and is enjoying the same fruits of its labor with its new iPhone 7 and iPhone 7 Plus.

One of the iPhone 7 and iPhone 7 Plus' major new features is Apple's new A10 Fusion chip, which is a 64-bit quad-core processor that uses two high-performance cores to do the heavy lifting of certain tasks, and two cores that are energy-efficient to handle simpler tasks.

A new video of an iPhone 7 Plus vs. iPhone 6s Plus speed test pits Apple's latest flagship phablet against its predecessor to show how they stack up against each other in boot-up time, opening apps, and a Geekbench test, and some may be surprised at some of the results.

In terms of booting up from being completely powered down, last year's flagship iPhone 6s Plus boots up faster than the iPhone 7 Plus by about 8 seconds. When opening Maps on both iPhones, the iPhone 6s Plus tops the iPhone 7 Plus barely, with both launching very quickly. Launching the App Store gives the iPhone 7 Plus the edge in a first test but a second test shows both opening around the same time.

The iPhone 6s Plus opens up the Camera application slightly faster than the iPhone 7 Plus. A Safari test yielded the iPhone 7 Plus loading a page slightly faster, while the iPhone 6s Plus rendered a second webpage slightly faster than the iPhone 7 Plus.

Moving on to a Geekbench test on the iPhone 7 Plus and iPhone 6s Plus, the new iPhone finishes faster than its predecessor and the scores show the performance gains Apple's new A10 Fusion chip in the 7 Plus bests the A9 chip in the 6s Plus.

The iPhone 6s Plus receives a single-core score of 2,483 and multi-core score of 4,127, while the iPhone 7 Plus posts a single-core score of 3,470 and multi-core score of 5,621. Creating a project in iMovie and exporting it in 4K yields virtually the same time, with the iPhone 7 Plus with a slight lead.

Apple's custom A chips have always performed well and last year's iPhone 6s with its A9 processor easily beat out Samsung's Galaxy Note 7 and its Qualcomm Snapdragon 820 processor when the phablet was released in August, before subsequently being recalled.

You can check out the full video below to see the iPhone 7 Plus take on the iPhone 6s Plus in speed tests.

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