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CTOnews.com, September 14 (Xinhua)-- Apple has opened evaluation rights to some media and YouTube bloggers before the new iPhone 14 series is delivered to customers on Friday, September 16.

Compared to iPhone 13, the new iPhone 14 is an incremental upgrade with the same overall design, the same A15 bionic chip and additional GPU core, and slight improvements to the rear and front cameras.

The display iPhone 14 series is available in two models, the standard 6.1in iPhone 14 and the larger 6.7in iPhone 14 Plus. The iPhone 14 Plus will not start shipping to customers until Friday, October 7, so reviews are focused on smaller iPhone 14 standard models.

The standard iPhone 14 display is almost the same as the iPhone 13 display, which The Verge editor Allison Johnson says is a good display, but other Android phones can also offer an advanced 120Hz refresh rate display at the same price.

Apple iPhone 14 has the same A15 bionic chip as iPhone 13 Pro and iPhone 13 Pro Max. Compared with the A15 bionic chip in last year's standard version of iPhone 13, the iPhone 14 chip has added an GPU core. CNET said the iPhone 14 is "fast" and has smooth animation and no performance problems.

IPhone 14 also includes improved internal designs that better manage heat and allow users to play high-intensity games for longer without causing the device to overheat. Engadget said the device managed to keep its "touch cool" during the game and that the phone remained capable in terms of performance. "when the autofocus of the selfie camera was tested repeatedly in low light, it got hot, but it wasn't very hot."

Battery Life CTOnews.com learned that the battery of the standard iPhone 14 is slightly larger than that of the standard iPhone 13. Apple has promised iPhone 14 up to 20 hours of video and 80 hours of audio, similar to last year's iPhone 13.

The Verge said that in the actual test, "after three to four hours of screen opening time", the iPhone 14 left about 40 to 50 per cent of the battery at the end of the day, adding that although it was difficult to compare with iPhone 13 due to limited testing and different usage, it should be sufficient for most users.

The front and rear cameras of the camera iPhone 14 have been upgraded. In front, the selfie camera is a brand new 12MP camera with autofocus function. Apple says the new camera can provide up to twice as many low-light photos because of its larger aperture.

On the back, the iPhone 14 has the same dual camera settings as the iPhone 13, but now comes with an improved main lens and ultra-wide-angle lens. The new main camera has an aperture / 1.5 aperture, which allows 49% more light to enter each shot. The main camera also benefits from the new workflow of Apple's Photon engine, which combines pixels from multiple exposure levels to provide brighter and "more realistic" colors in low light conditions.

CNET said iPhone 14 can take acceptable pictures in low light and handle details well. "take pictures of dogs in the less bright rooms of coffee shops. IPhone 14 can capture the texture and details of the dog's fur. Even when the dog is moving its head, it can capture the movement very well."

On the video side, iPhone 14 includes a new motion mode that provides stable video when activated. The Verge said the sports mode was "very suitable for use in bright outdoor light" and pointed out that in any other condition, the video looks "a lot of spots".

"Apple iPhone 14 Pro / Max Review Summary: smart Island has great potential for digging holes, and 4800-megapixel ProRAW photos are impressive."

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