Đánh Giá Redmi Note 9

Review An assessment or critique of a service, sản phẩm, or creative endeavour such as art, literature or a performance.

Bạn đang xem: Đánh giá redmi note 9






Quiông chồng verdict

You get a lot for your money from the Redmày lưu ý 9, with impressive sầu hardware và thiết kế, and power that leaves many rivals in the dust. The camera might be a little over sold & the software brings a lot of bloat with it, but it's a capable handphối.Read full verdict

Against Display brightness control is a bit random Sound quality from speaker not great Camera system a bit oversold

(nghienxiaomi.com) - Redmày is the affordable arm of điện thoại thông minh giant Xiaomi. We say affordable, but Xiaomày is already an affordable brand compared to lớn some stalwarts like Apple or Samsung, meaning that Redmày is known for offering very good value for money.

The Note family is one of the most popular that Redmày offers. We"ve no idea why it"s called the chú ý, it"s nothing lượt thích the Note that Samsung offers, it"s just a great phone that offers great value for money.

Premium design

Dimensions: 162.3 x 77.2 x 8.9milimet / Weight: 199gPunch-hole camera in display3.5mm tai nghe jack

Look at the Redmày lưu ý 9 và it"s hard to lớn spot that this isn"t a flagship device. The colourful & glossy exterior brings with it a unique kiến thiết, but in this case the rear plastic bodywork wraps around the edges lớn meet the display.

There"s a seamless quality to lớn it, but this is a big phone, something that"s predicated by the 6.5-inch display. At the same time, Redmi has been careful khổng lồ keep the bezels to lớn a minimum, the front camera sitting in a neat punch-hole to the top left, keeping things generally tidy.


There"s no IP-level waterproofing at this màn chơi of device, but it does get P2i"s nano-cấp độ water protection. That means the components are coated lớn repel water & avoid damage. While that"s not the same as stopping water and dust ingress, it can provide protection against an accidental dunk.

There"s only a single speaker on the bottom - comtháng on devices in this bracket - but it"s accompanied by a 3.5mm tai nghe socket so you can, at least, connect your headphones for a better audio experience. However, that speaker hole is very easy to lớn cover when you"re gaming, muting the sound as a result.

What dominates the rear of the phone is the camera housing. Four lenses sit in a central cluster, slightly raised, & beneath is the fingerprint scanner. While many may have sầu moved khổng lồ offer under-display scanners, there"s no avoiding that rear scanners still work reliably, even if they make for a slightly less sophisticated kiến thiết. Here we like the implementation: this fingerprint scanner is fast & reliable, in many cases better than the under-display scanners you"ll get in a flagship phone.


The chú ý 9 is a little on the thichồng và weighty side, but some of that is explained by the big battery inside. What we lượt thích the most is that this phone feels serious: the lack of glass doesn"t bother us; that weight brings a robust feel.

Specs and core hardware

MediaTek Helio G85, 3/4GB RAM64/128GB + microSD (up to lớn 512GB)5,020mAh battery, 18W fast charging

While flagship phones all have a very similar hardware loadouts, there"s a lot more variance lower down the range. The Redmày lưu ý 9 moves over lớn MediaTek for its hardware, but things aren"t quite that simple, as the Redmày cảnh báo 9S and Note 9 Pro have sầu Qualcomilimet hardware instead - so you can see how Redngươi is using different manufacturers to leverage its pricing.

For this regular lưu ý 9, the MediaTek Helio G85 sits at its heart và that"s broadly equivalent lớn the Qualcomilimet SnapLong 700 platform (which the 9S & Pro each offer). The important thing here, however, is that this is a step above most other phones at this price, which might have a Helio P22 or Snapdragon 600.


That sets the Redngươi chú ý 9 off to lớn a great advantage, because it"s naturally more powerful. Moving into the Note 9 from the Sony Xperia L4 - which almost exactly the same price - there"s a world of difference in its performance. While this phone isn"t quite as powerful as flagship phones, apps are fast khổng lồ open và you can still play all the lademo games.

For example, load up Gọi of Duty thiết bị di động or PUBG điện thoại và it"s a decent experience. We"ve sầu been getting those chicken dinners in PUBG sản phẩm điện thoại, where some lower power phones just don"t seem khổng lồ be able lớn keep up. Yes, you can"t play on the higher graphics settings, but you still get a smooth gameplay experience. That"s important because this is an affordable phone that doesn"t leave you feeling lượt thích you"re missing out.

There are two different versions of the Note 9 to lớn choose: the most affordable has 3GB RAM and 64GB storage; the Model we"re testing here has 4GB RAM & 128GB for a modest price bump. But both tư vấn microSD so can be easily expanded by buying a card. Both also support dual SIM, although there"s no 5G - not that that"s going khổng lồ be a huge problem for many people.


Then there"s battery life. There"s a huge 5,020mAh cell in the Redngươi cảnh báo 9 - which accounts for some of the kích cỡ và weight. There"s also 18W fast charging with a 22.5W charger in the box - again, it"s great lớn have these fast charging features on an affordable phone. That will see the Redmày cảnh báo 9 last through two days of use - & for power users, you"re much less likely to lớn need lớn reach for a charger in the middle of the day.

Xem thêm: Điện Thoại Xiaomi Redmi Note 3 Pro 2 Sim, Xiaomi Redmi Note 3 Pro

What does reveal itself is that pushing that hardware hard - lượt thích with those intensive games - will see a bigger battery drop than you might get on more powerful devices. But compare the battery life to lớn something lượt thích the Samsung Galaxy S20+ & the Redngươi wins as it just has better endurance.


6.53-inch LCD panel2340 x 1080 pixels (394ppi)

The most important thing about the chú ý 9 display is the size và the resolution, because it brings with it Full HD+ detail where many rivals will only be 720p (or "HD"). That pushes the pixel mật độ trùng lặp từ khóa up, so this display is sharper than the iPhone SE & content on it looks great.


This isn"t an AMOLED display, but at this price you"re still getting a nice vibrancy và colours from the LCD panel. The Redmi"s peak brightness is 450 nits and that means it doesn"t quite cut through reflections lượt thích some Samsung phones will. At top brightness things look a little forced and you thất bại some colours and definition as a result.

However, the autobrightness isn"t as responsive sầu as we"d lượt thích & we"ve sầu spent plenty of time adjusting this phone"s brightness lớn suit, especially when gaming. There"a a Game Turbo option that will swing in to optimise the experience - including turning off autobrightness when you open a game. That"s great, but we still found - despite autobrightness being notionally turned off - that the brightness sometimes dipped & needed to be corrected.

One other thing we have noticed is that the polarising layer is on the landscape plane, meaning that if you wear polarising glasses it will blaông xã out completely when viewed in that orientation, which is an inconvenience when using the camera.


Quad rear camerasMain: 48-megapx, f/1.79 apertureWide: 8MP, f/2.2Depth: 2MPMacro: 2MPFront-facing: 13MP., f/2.25

The Redmi lưu ý 9"s headline camera feature is the 48-megapixel sensor. We"ve seen a number of high-resolution sensors being used in lower-priced phones recently & we have mixed feelings about them. More megapixels does not necessarily equate khổng lồ better images so you can pretty much dismiss the 48MPhường being as such - as the default output is a 12-megapixel pholớn (unless you engage the 48MPhường mode).

The main sensor means there are not especially large "pixels" on its surface (0.8µm), but the four-in-one methodology means these effectively combine into lớn a larger equivalent (1.6µm) - the argument being that it can then give you more data lớn draw from for better results at the 12MPhường output.

Combining the pixels doesn"t give super low-light performance though, although there is a night mode that takes a longer exposure lớn give you some low light options.

That 48MP sensor should also benefit digital zooming because you can crop closer, but it doesn"t give sầu you much more usable detail, so seems a little pointless.

There"s no optical zoom here, although the viewfinder in the camera phầm mềm will let you click through to lớn 2x zoom, or out to lớn 0.6x zoom which is the wide-angle camera. The wide angle is fun, although a little soft towards the edges, but does provide some variety when composing your photos. There"s digital zoom up to 10x.

This is Redmi"s AI supported camera - that"s artificial intelligence - where there"s some roll down of công nghệ from Xiaomi"s phones. While this does a good job of detecting what it"s looking at, in many cases that seems to make no difference khổng lồ the photo lớn you get. It"s also a toggle option, so you have to turn it on or it"s doing nothing.

What"s nice is that you"ll get a label appear in the phầm mềm when something is happening. Take HDR (high dynamic range) as an example - leave sầu it on tự động hóa & when it"s applying an HDR effect, an HDR label will appear. That"s also an indicator of when things aren"t happening & again. Again, HDR is the perfect example: it"s reluctant lớn swing in unless it"s an extreme HDR case và that"s probably because it"s not actually very effective, basically lifting shadows & losing some of the natural colour và contrast.

What this really amounts to lớn is a camera system that"s not really using the AI skills it purports to offer. Where some cameras will give a boost or pop to lớn photos, the Redmi Note 9 doesn"t really go that far. That means photos taken in good conditions can be a little flat & dull, something that a bit of tweaking after you"ve taken them can make a lot better.

However, given the phone"s price point, a lot of this is perfectly fine - you need lớn put it in the context of a phone double the price to really get something that"s smarter, lượt thích the Google Pixel 3a.

There"s also a macro sensor khổng lồ biến hóa the numbers & this is easily the weakest part of the camera system: the photos almost look like water colours given their laông xã of detail, especially if there"s any sort of background to the object you"re taking a picture of. The main camera won"t focus anywhere near as cthất bại as the macro, however, so it does give sầu you some more options.