ByAnatola Perna 2020-02-14 1435
On September 11, 2019, Apple officially released the iPhone 11 series of phones, a total of iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max. Among them, iPhone 11 attracted enthusiastic attention from users with an ultra-low starting price of 5499 yuan, and was called by the media as the most cost-effective iPhone model newly launched in 2019. The iPhone 11 front is a continuation of the design from iPhone X, with a Liquid retina HD LCD display with a screen size of 6.1in and a resolution at the 1792x828 level. The PPI value remains good, and 326 still gives users a retina-level experience.
Despite the resolution, the LCD screen of iPhone 11 can still be said to be excellent, supporting P3 wide color gamut display, and the maximum brightness of 625 nits can ensure visibility in the sun, so although the display screen of iPhone 11 can not be called extreme, it is not as good as its own big brother Pro series, but it can also meet the needs of many users.
The back of iPhone 11 is mainly made of glass. According to Apple, the glass on the front and rear of iPhone 11 is by far the strongest in the iPhone. It is believed that there has been some improvement in fall resistance and wear resistance. Interestingly, the iPhone 11 is slightly different from its big brother Pro series in the back design. Most of the glass on the back of the Pro series is frosted, and the lens part uses smooth glass, while iPhone 11 is on the contrary, using smooth glossy glass on most of the glass and frosted glass in the lens part, which makes a slight difference in the feel.
The performance of iPhone 11 has not shrunk. It is powered by Apple's A13 processor released this year. The A13 bionic chip has two performance cores and four customized energy efficiency cores. Compared with the energy efficiency core of the A12 bionic chip, the speed can be increased by up to 20%, and the energy consumption can be reduced by up to 40%. Also because its performance is much better than that of the A12, the iPhone 11 takes an hour longer than the iPhone XR in terms of battery life.
In addition to iPhone 11, there are three iPhone models in history that have become hotly discussed and sought after by users at very low prices.
On September 13, 2018, the new iPhone XR was officially unveiled at the press conference in the United States. Since the launch of the, iPhone XR price has repeatedly hit new lows, only released less than 3 months, in a lot of e-commerce platform will reach 3999 yuan. Up to now, it has more than 2 million comments in gearbest.
The iPhone XR screen has been upgraded to a larger 6.1in Liquid Retina,. The official name is the "new Liquid Retina display". The screen is made of LCD with a resolution of 1792 to 828 and only 326ppi, which is a long way from the current mainstream mobile phones. Because of the limitations of the LCD screen, iPhone XR still retains a wide quadrilateral screen. While the Android LCD screen has achieved a high screen ratio, the frame thickness of, iPhone XR is still at the level of horse racing, which is also the subject of a lot of complaints.
The front camera uses the same 7 million pixels as the iPhone XS series. In terms of hardware configuration, there is simply one less camera than the iPhone XS series, but in the face of the original dual-lens camera iPhone X, can it still reach the same level as the iPhone XS series after it is shrunk?
In terms of hardware configuration alone, the, iPhone XR is equipped with the same 1200-megapixel fhand 1.8 wide-angle camera as the iPhone XS, with a new photosensitive element, while larger, deeper pixels improve image fidelity and perform better than ever at shooting photos and videos in low light. And HDR mode is also naturally upgraded to smart HDR mode, and this mode is now turned on by default, so that you are no longer afraid of all kinds of light environment.
In the performance configuration, the A12 bionic chip used by, iPhone XR is based on 7nm process, with a total of 6.9 billion transistors, using a six-core CPU architecture with two large cores and four small cores, and the GPU part is four cores. According to officials, compared with the A11 bionic chip, the speed of the two performance cores (large cores) is up to 15% faster, and the four energy efficiency cores (small cores) can save up to 50% energy.
It is worth noting that the GPU part has improved a lot this time. After Apple severed relations with Imagination, the processing speed of the second generation of self-designed graphics chips is 50% faster than that of A11. To this end, Apple also specifically uses "Ancient Scrolls: Blade" as a demonstration game, where you can see that the screen has been greatly improved compared with previous mobile games, and provides more light and shadow details.
In addition, Apple also claims that the artificial intelligence core Neural Engine of the A12 bionic chip has improved most significantly, evolving directly from a dual-core to an 8-core design, providing up to 5 trillion operations per second, and the AI performance is more powerful.
There was a iPhone that was called "Little Steel Gun" at that time, and it was the iPhone SE. With the same powerful performance as the iPhone 6s, the mobile phone is much cheaper than the iPhone 6s. It is a very classic small screen iPhone.
IPhone SE has the same A9 processor as the iPhone 6s, which is comparable to the performance of the iPhone 6s, but the price is only 3288 yuan. At that time, it was very cost-effective.
Apple released a cheap version of iPhone, on Sept. 20, 2013. it is the colorful iPhone 5c.
Instead of a metal back cover, the iPhone 5c uses a polycarbonate plastic shell with a 4-inch retinal display, an A6 dual-core processor, 1GB memory, a 8 million-pixel backlit camera and a choice of white, pink, green, blue and yellow. In addition, the processor does not use the same A7 processor as the iPhone 5s, but uses the A6 processor. As Apple's first cheap version of the iPhone 5c, it is just a shell version of the iPhone 5, which is not competitive in all aspects. Without any surprise, the sales of iPhone 5c in the domestic market are also very mediocre.
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