Science and Technology Morning Post: The magic version of RTX4090 is overflowing | Xiaomi 14U or next month's release | iPhone 16 camera major upgrade

1. The price is outrageous, mobile version RTX 4080/4090 Magic Change graphics cards are rampant in China

It is not uncommon to change the mobile version of graphics card to the desktop version. Recently, the top RTX 4090 and RTX4080 mobile versions have been targeted, and a large number of desktop versions have been changed.

The mobile version of Magic is changed to the desktop version, mainly because the mobile version of GPU has lower power consumption and heat generation, simpler heat dissipation design, and more cost saving PCB. The final result is that the price is cheap.

However, the low price of the magic revision is also obvious, there is no quality assurance, and there is no official drive Support, performance and stability are greatly reduced.

In a second-hand market, a large number of RTX 4080M desktop cards from the magic transformation suddenly appeared this month, many of them have similar or even the same appearance, and their performance is said to be between the desktop version of RTX 4070 and RTX 4070 Ti. The price is generally between 2000 and 3000 yuan. There are few magic modified RTX 4090M desktop cards, and the most expensive price was 13800 yuan.

2. 48 megapixel IMX903 custom main camera, iPhone 16 Pro Max image specification exposure

When the domestic mobile phones are crazy about rolling image specifications, Apple is finally going to sell them. According to the blogger's digital chat station, the iPhone 16 Pro Max will use a customized Sony IMX903 sensor, 48 million pixels, 1/1.14 inch in size, and double layers transistor Technology, supporting 14Bit ADC and DCG.

The iPhone 16 Pro Max will continue to retain the periscope telephoto, and the screen size will also be larger, and the screen radian will also increase, similar to the contoured screen.

According to previous revelations, the iPhone 16 Pro series will be equipped with two 48 million pixel sensors for the first time in history. In addition to the main camera, the ultra wide angle camera, which currently has only 12 million pixels, has also been upgraded to a 48 million pixel high-definition lens.

3. Expose Xiaomi 14 Ultra to the public at the end of February

Recently, a blogger in the industry said that Xiaomi 14 Ultra will debut at the end of February as soon as possible, which will be Xiaomi's strongest image flagship phone this year.

According to previous reports, the rear of Xiaomi 14 Ultra still has 4 lenses camera Module, 50 million pixel main camera, 50 million pixel vertical telephoto, 50 million pixel periscope telephoto and 50 million pixel ultra wide angle.

The 50 megapixel main camera continues the previous 1-inch super bottom main camera line. Unlike the previous generation of Xiaomi 13 Ultra, which used Sony IMX989, this generation uses Sony LYT900.

Data shows that Sony LYT900 has been upgraded to 22nm. Compared with IMX989's 40nm, Sony LYT900 has made significant progress, which will bring better energy consumption performance and effectively reduce the heat and power consumption of the sensor during operation. More importantly, with a higher energy efficiency ratio, Sony LYT900 will bring a higher dynamic range, and the performance of video, photography and other scenes will also be significantly improved.

In addition, Xiaomi 14 Ultra adopts a full-depth four curve screen with a resolution of 2K+. The middle frame is designed with a right angle edge, and the back is a circular lens. The lens is decorated with Paris studs and made of glass and plain leather.

4. The 40th Anniversary of Apple Mac

On January 25, Apple CEO Tim Cook celebrated the 40th anniversary of the advent of the Mac on his personal social platform.

"The advent of the Mac 40 years ago changed everything, and over the years it has revolutionized again and again. Today's Mac series, based on decades of revolutionary innovation, is the most outstanding product in the history of personal computers. "

"Happy birthday, Mac!"

In 1984, 40 years ago, Steve Jobs showed the Macintosh to the outside world and called it "the future of computers".

Although Macintosh suffered a disastrous defeat at the beginning of listing and Jobs was expelled from the company he founded, this did not prevent Mac from completely changing the world and always standing at the forefront of PC technology and design.

In 1998, after Jobs returned to Apple, iMac G3 came out, opening the multimedia era of personal computers and ushering in the era of Internet popularization.

Then in 1999, iBook G3 supported Wi Fi wireless network for the first time; In 2002, the iMac G4 replaced the bulky CRT display with a light and thin LCD display for the first time.

The 40th anniversary of Apple Mac! Cook sent a congratulatory message: Happy birthday

Until 2008, when Jobs took out the MacBook Air from the envelope, the notebook computer ushered in an era of extreme integration and thinness.
Apple has also equipped a "multi touch" touchpad for the MacBook Air, making the interactive experience of the touchpad even beyond the mouse.

In 2020, Apple began to use self-developed M-series chips on the Mac, which significantly improved the performance, but also made the market share achieve significant growth.

5. Song Ziwei Talks about Apple's Launch of Apple Music Classical Music in China

On January 24, Apple officially announced the launch of Apple Music classical music in mainland China. Song Ziwei, the former iQOO product manager and now the director of Ideals Auto product strategy, said in a microblog: At first, she didn't understand why it was necessary to separate a classical music separately, and then there was just a classical music enthusiast nearby, who had a chat and probably understood.

Song Ziwei said: This group of people has very clear needs. Although the scale is not large, but the purchasing power is very strong, they are high-quality people. It is easy to obtain and has great potential. Moreover, from the perspective of manufacturers, the development is almost easy, the cost is small, and the copyright of popular music is not so limited. You can easily launch a classical music version, which can also be a hot search. It's simply multi win.

According to the official introduction, Apple Music Classical Music has a large-scale classical music library and a comprehensive optimized search function, which can help users easily and quickly find the recordings they want; Fans can also enjoy excellent audio quality and experience a large number of classic music masterpieces through immersive space audio.

Apple Music classical music provides hundreds of carefully edited song lists, thousands of exclusive recordings, informative biographies of composers, in-depth introductions of a large number of important works, simple and intuitive browsing functions, and more wonderful content, bringing the ultimate classical music experience.

6. Other information

China Railway announced that it will launch new ticket products for the Guangzhou Shenzhen Hong Kong High Speed Railway from today, bringing convenience to passengers who frequently travel between Guangdong and Hong Kong.

There are two types of new train tickets:

20 times counting ticket: refers to the train that takes 20 times within 90 days of validity at the designated departure, arrival and seat of Guangzhou Shenzhen Hong Kong High speed Railway.

30 day fixed ticket: refers to the train that can take up to 60 times at the designated departure, arrival and seat of Guangzhou Shenzhen Hong Kong High speed Railway within the 30 day validity period. After purchase, users can use it through seat reservation and direct card swiping.

It should be noted that the product can only be used by the passenger himself, and cannot be transferred or shared. The product can only be used at the designated arrival and departure stations at the time of purchase, and the seats designated at the time of reservation or purchase are not allowed to get on or off at the midway station or cross the station.

According to media reports, the European Commission recently announced that it had approved the establishment of a joint venture between Mercedes Benz (China) Investment Co., Ltd. and BMW Brilliance Automotive Co., Ltd.

The EU said that this transaction mainly involves China's electric vehicle public charging infrastructure network. In view of the limited impact on the European Economic Area, the related transaction will not cause competition problems, and the transaction was reviewed according to the simplified merger review procedure.

From the previous report, after the establishment of the company, the two sides will set up a joint venture in China to operate the super charging network with a share ratio of 50:50. Officially, Mercedes Benz and BMW will use their charging operation experience in the global and Chinese markets and their insight into China's new energy vehicle market to tailor fast, convenient and reliable charging solutions for Chinese customers.

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