140 million is the total number of Redmi Note series sold so far. In the global smartphone sales ranking in the first half of this year, Redmi Note 8 and Note 8 Pro ranked third and fourth respectively.
So when the update of a series comes to double digits step by step, it is difficult to say how specific the expectations for the Redmi Note 9 series are, but such high sales every year also shows that there are countless pairs of eyes that have been staring at it.
There are three Redmi Note 9 series, among which Note 9 Pro, as the most high-end in the series, starts at only 1599 yuan. It's still a familiar taste, or a familiar "price butcher", which is the model I want to talk about today.
The color scheme looks good. The battery is big, but also heavier
Redmi Note 9 Pro inherits the general outline of the previous generation, but in specific design elements, there are obvious traces of elements of this generation of K30 series, such as the circular four-shot of the camera part.
The color scheme I got is called "Huguang Autumn Color", and it is also my favorite one of the Redmi Note 9 Pro color schemes this time. Rather than talking about the term "lakes and autumn colors", I am more likely to think of the "Venus Belt" that occasionally appears at sunset. It is this faint cyan and orange intertwining embroidered afterglow.
This gradual color continues to the middle frame. The frosted gradient middle frame color is exactly the same as the back cover, and the polished chamfering treatment does not lose the details.
Both the front and back of the phone use Corning's fifth-generation Gorilla Glass, and the back cover also uses AG technology. Because of the AG technology, the matte-touch back feels quite silky and comfortable to the touch. The combination of AG technology and lively color matching did not have this year Appears on Xiaomi's high-end machines, such as Xiaomi Mi 10/10 Pro, although it uses the AG process, but it does not have such a lively candy-like color scheme.
However, no matter how good the appearance and color matching, the mobile phone is used after all. If you are an old user of the Redmi Note series, when you pick up the Note 9 Pro, you will surely find it "heavier again".
The previous generation of Note 8 Pro barely controlled the weight under 200g with a weight of 199g. In the Note 9 Pro, the weight is directly 215g, which is very heavy in the hand.
When the mobile phone reaches 200g or even more than 210g, you know that the weight is compromised. This is a weight that is more sore to the wrist, more painful to face, and more pants, but the key is, what is this weight?
The answer is a "bucket", or it can only be a "bucket". If a mobile phone exceeds 210g, it is only about 10g away from the ceiling of the weight of the mobile phone, but it only brings one specialty rather than almost no shortcomings in every aspect. The comprehensive upgrade, then it will definitely be criticized.
So you can see the large battery design of 4820mAh, which is an increase of 320mAh over the previous generation of 4500mAh. In this era of "5G everywhere, high brushes are available to everyone", the side effect of stacking these parameters is only battery life. The battery "carries the burden of the whole family at a young age". It can only be said that it is not really good.
Matched with it is the 33W wired fast charging technology. The number is not particularly outstanding in this price range, but the measured time of 56 minutes is completely full, this number is more meaningful.
In the actual experience, the battery life level is relatively close to that of the K30S. It belongs to the very good 5G mobile phone. According to my habits, I can still use 30% of the battery for a day.
Six-speed variable LCD screen with 120Hz high-brush feature
The second obvious change is that the whole machine has been bigger, usually because the screen has become bigger. The 6.53-inch water drop screen has now become a 6.67-inch LCD center-mounted digging screen with a resolution of 2400×1080. High brush is definitely not possible, but Note 9 Pro also supports 6-speed variable refresh rate, up to 120Hz. Compared with the K30S Extreme Commemorative Edition, the only thing missing is the highest 144Hz gear, but 144Hz is indeed not strong. Not even as useful as 48Hz and 50Hz.
Why do you say that? In fact, if you have downloaded movies and read the format information, you will find that many movies have 23.976 frames, which is approximately equal to 24 frames, while some videos have 25 frames. 30 frames and 60 frames are not popular now. If you want to play these 24 frames and 25 frames perfectly, either your screen refresh rate is exactly the same as the number of frames, or it is an integer multiple.
Obviously, except for the 120Hz screen, you can use 1:5 frames to play 24 frames of video. Like our most common 60Hz screen (and the iPhone until now), it cannot play 24 frames of video "perfectly", in order to prevent the screen To tear and freeze, you need to do 2:3 pull down.
What is 2:3 pull down, a brief introduction is:
TELECINE refers to the TV movie, that is, how to increase the 23.976fps of the initial movie recording to 29.97fps by interpolating the frame when the movie is played on TV. Specifically: for every 4 frames, a special frame is created, which is generated by the fields of adjacent frames. Suppose a frame consists of a top field (t) and a bottom field (b). The original sequence is 1t1b 2t2b 3t3b 4t4b. After telecined, the sequence is: 1t1b 2t2b 2t3b 3t4b 4t4b (usually called 2:3 pull down, because there are 2 alternating fields and 3 continuous fields).
In this way, the original 24 frame movie can be increased to 30 frames, and then it can be watched on screens with different refresh rates such as 60 frames and 90 frames. But this method is not perfect, so if you are really sensitive to the number of frames, and look carefully, you will still find some slight jitter, which is why you need to have a variable refresh rate of 48Hz and 50Hz.
In addition, these materials did not come from Xiaomi, but were consulted in the past when selecting the topic, which is a small popular science.
However, LCD screens inevitably encounter some small problems caused by their own physical characteristics, such as the edge of the hole and the screen edge will be a little dark, and unlike the K30S, this screen is not a "primary color screen."
In addition, as an LCD phone, Note 9 Pro does not have the screen fingerprint function, but uses a side fingerprint and power button design, which is the same as the K30S Extreme Commemorative Edition. Just set the right thumb and left index finger, the actual unlocking speed and success rate are high enough.
Unlike those flagship "buckets" that focus on increasing the depth of experience, Note 9 Pro gives mid-range users a 3.5mm headphone jack and infrared remote control that are not available on flagship phones. In addition, dual speakers, NFC and Z-axis linear motors are also available. Complete.
Dual speakers are the standard features of the three products of the Redmi Note 9 series. The advantage is that you can clearly feel the stereoscopic sound and larger sound field brought by the dual speakers, but due to product positioning problems, you can also feel The vibration of dual speakers on the low-end models.
But one thing that is unpleasant is that if you feel that the vibration is large, the user should lower the volume by himself. However, the users of some models in the past went to the community to feedback that limiting the maximum volume is an act of "self-defeating martial arts" that I cannot understand.
The mid-range bucket machine, which has everything, should be the route that the Redmi Note series will continue to implement in the future.
In terms of performance, Redmi Note 9 Pro first launched the Qualcomm Snapdragon 750G in the core configuration in China. It adopts the size and design of 2+6. The large core is two 2.2GHz A77 architecture processors, and the small core is six 1.8GHz. The A55 architecture processor has a performance improvement of 20% compared to the previous generation Note 8 Pro, which is actually better than the Snapdragon 765G.
In addition, Redmi Note9 Pro is also equipped with UFS2.2. In fact, it adds Write Turbo on the basis of UFS2.1, which improves the speed of sequential reading and writing. The reading and writing of large files is doubled compared to before.
Popularization of 100 million pixels
In addition to the "bucket" configuration, what really gives Redmi Note 9 Pro a "leapfrog" experience depends on the rear four-camera combination. In the evaluation of Note8 last year, we mentioned:
Redmi Note8 Pro is the first mobile phone equipped with a 64-megapixel sensor in China. The CMOS equipped is the ISOCELL Bright GW1 jointly released by Redmi and Samsung.
This year Note9 Pro further uses Samsung’s 100 million pixel ISOCELL HM2 sensor. Although in terms of size, the 1/1.52 inch bottom is slightly smaller than the previous HMX and HM1, but it is unique in this price range. The sensor also has the function of nine-in-one pixels. After nine-in-one, the area of a single pixel can reach 2.1μm, and the user can choose between high and large pixels according to different environments.
As for the other three lenses, they are an 8-megapixel ultra-wide-angle lens with a 120° field of view, a 2-megapixel macro lens and a 2-megapixel depth-of-field lens. The front side is 16 million pixels.
The overall level of taking pictures during the day is good, but the lack of double telephoto will still lack a lot of fun in composition. In fact, telephoto is easier to take interesting photos than super wide-angle.
In addition, this time Note 9 Pro also specifically mentioned the main night scene shooting. In fact, the effect in night scene mode is really good.
The role of high pixels and large pixels is also commonplace, but compared to the previous 48 million and 64 million pixels, 100 million pixels still have higher usability and cutting space when there is sufficient light, and the larger bottom and nine-in-one The design also allows better picture quality performance in low light environments.
A more serious problem on the CC9 Pro, the first 100-megapixel model last year, was that the processing time for full-pixel photos was too long, and the processing time for a single image exceeded four seconds, which also made many people unsightly at the time. This year's Mi 10 series relied on a more powerful processor and ISP to control the full pixel mode of 100 million pixels within a reasonable time.
However, the Snapdragon 750G on the Note 9 Pro is not a flagship processor, and the use of 100 million pixels again makes people worry. However, according to the measured performance, the processing speed of the 100-megapixel full-pixel mode on the Redmi Note9 Pro has been greatly optimized. The processing time of a single frame is only a second, and the continuous shooting speed has reached twice that of the CC9 Pro.
In just one year, Redmi Note 9 Pro has achieved all aspects of performance, screen, and camera upgrades compared to last year, and even upgraded non-core experiences such as dual speakers and linear motors.
In actual use, from Xiaomi 10 Ultra to Redmi K30S Ultra to Redmi Note 9 Pro, although you can feel the step-like degradation in all dimensions of the experience, there is almost no lack of experience. Every board of the bucket is just right. The stitching is there, in fact, this is a very scary thing.
If you look at the high-end flagships, you can still see the magical powers of the Eight Immortals. As you gradually move to the middle and low end, the construction of the bucket machine is actually getting more and more difficult, and this may be the closest method to the optimal solution for this price range.
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