Redmi K20 Review

Xiaomi launched a Midrange smartphone Named Redmi K20. In Some Markets, Xiaomi is Releasing Redmi K20 as Mi 9T. This  Redmi K20 Pro was released in India on 17 July 2019. Redmi K20 is priced at INR 21,999 @ 6GB + 64 GB Variant.

Xiaomi Released Redmi K20 in 6GB + 64GB, 6GB Ram + 128GB Internal Storage Model. when I’m using Redmi K20 I got a Flagship Smartphone feeling when holding in the hand with a Triple Camera Setup on rear and single-camera set up on the front & SD 730 at a Un Believable Price makes this Smartphone a true Performance & Camera beast.

Xiaomi has Made Several Changes In Standard Version From Pro variant. They Replaced the Same Display, Cameras, Body From The Redmi k20 Pro And Changed The processor To Snapdragon 730. This Snapdragon 730 is Comparable With Snapdragon 845 The 2018 Flagship Chipset from Qualcomm

Redmi K20 Pro features the Snapdragon chip from Qualcomm named SD 730. this chip is made of 10nm LPP (Low Power Plus) FinFet process. this processor is divided into 2 parts; the first part features 2 x A76 High power cores which are clocked at 2.22GHz, second part features 6x A55 high powered cores which are clocked at 1.8GHz. it has Adreno 618 GPU which increases its work by 27% compared to SD 712 the last Flagship processor from Qualcomm. it has an X15 LTE Modem which has Download and Uploads speeds of 800 & 150MBPS. Coming to the AI Department it does not have Ai built in the processor, it has AI Optimizations which helps in AI Capabilities.

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I will divide the review into pros & cons. let’s see quick specs of Redmi K20 and Jump into the review.

Redmi K20 Specs

redmi k20
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  • 6.39” FHD+ 19:9 AMOLED Waterdrop notch Display
  • Qualcomm Snapdragon 730 CPU
  • Adreno 618 GPU
  • 6 / 8 GB LPDDR4X Ram
  • 64 / 128 / 256 GB Internal Storage.
  • Triple Camera: 48MP F/1.8 (main) + 13MP F/2.4 PDAF ( Wide angle) + 8MP F/2.4 PDAF ( Telephoto)
  • 20MP f/2.2 MP Pop-up front camera
  • 4000mAH battery with 27W charging support
  • Android One 9.0 Pie with MIUI 10 on top
  • In-Display fingerprint scanner
  • Volte / Dual GPS / WiFi /
  • Bluetooth 5.0 / USB – C / NFC / UFS 2.1

6.39″ Full HD+ AMOLED Screen :

Here in Display Department, Redmi Features an Excellent Full HD AMOLED panel Notchless screen made by Samsung with 403 pixels per inch, the colours are vibrant and enjoyable, viewing angles are also Excellent. There are No issues & problems with screen quality. It is very bright to see in direct sunlight. there is also Support to View HDR Content.

it is Protected with Corning Gorilla Glass 5 On Front Which is Drop resistant and Protects the AMOLED Screen.

Stereo Speaker and Headphone Jack:

In Redmi K20, Xiaomi Used the traditional Single Speaker System and it is Much louder and equal when Compared to Single Speaker System used in 2019 flagship Smartphones. we can see this traditional Single Speaker System in Redmi K20 Smartphone also. The Out From the Speaker is Clear.

Xiaomi Has Included Headphone jack In Redmi K20 Smartphone which is a good thing in my opinion. All the brand are not taking interest of headphone jack and removing it. Coming to 3.5mm and earphones, the 3.5mm port provides a punchy and clear sound.

Build Quality : 

Xiaomi is Build with Aluminium Frame on the side on Back & Front of the Device Is Protected with Corning Gorilla Glass 5. it provides a good look and feels Because it is made with Aluminium and Glass. There are no issues of creakiness with the build quality. K20 well built and the bezels are shrunk down to place a 6.5″ Fluid Amoled screen.

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In-Display Fingerprint scanner: 

Redmi K20 Features an In-Display mounted fingerprint sensor which is present on the Bottom Front of the phone. By performance, it is Very fast and very accurate to recognize the fingerprint of the user.

Face unlocking:

Redmi K20 has face unlock feature. It works Nice in Normal Conditions Very Quickly and And Securely but in Night Conditions it will work 40% Screen brightness to recognize the user. While It is A pop-up Style Mechanism the face unlock Will be a Bit slow To raise the camera and recognize the face. By using Face unlock it Can Spoil Easily. Better Not to use face Unlock On Redmi K20.

Notification Light:

Redmi K20 Has a Single Coloured Notification Light Which Is Embedded In The Aluminium Frame. This is good To See In Night time, In Daytime it will Be not visible.

Weight balance: 

Redmi K20 feels A bit Heavy with 6.39″ Screen and 4000 mAh battery equipped. This Redmi K20 can be used by one hand But, You Will feel Little Heavy While Using. You Will Not Feel After Using a Week. The weight balance is done well on the device though it is made up of Aluminum and Glass On Front and Back of the Device.

Battery life:

My Redmi K20 Thinq lasted a Full Working day with heavy usage and at the end of the day, I had 25% of charge left in the phone which is good for a 3500 mAH Battery. We got 4.5 to 5 Hours of Sot( Screen on time) on using Mobile data which is good. you will get above 5.5hr Battery life if you use Continuously on WiFi. The ideal drain of Redmi K20 is very low. the 27W Quick charging 4+ makes a difference and charges the phone in 75 min which is a bit good.

MiUi Based On Android 9 Pie :

MIUI 10 based Android 9 Pie present on the Redmi K20 SmartPhone is very fast & so fluid, No lags were noticed. It has a ton of bloatware like Huawei Devices. There are some extra features like Inbuilt Face Unlock System, Direct video calling feature, Always on Display, Perfect Gaming Mode makes this MIUI 10 OS special for Redmi K20 SmartPhone. there are some Battery Optimizations Present on MIUI 10 makes Redmi K20 SmartPhone last longer


My Redmi K20 managed to do day to day tasks very well like the Poco F1 Which was Released Last Year. there are no issues and problems with the UI. there are no heating issues with Redmi K20. It Feels a bit warm In Outdoor Conditions While Recording 4K Videos and Gaming.

Ram Management : 

Ram Management is done very well on this Redmi K20 device. it features 6 / 8 GB ram variants and I did not notice any lags with the 6GB Ram device and there are no reloading of apps on this Redmi K20. Multitasking experience is good.

Coming to Gaming, we played Asphalt 9 & PUBG at highest graphics setting without lags & frame drops in the game. this Snapdragon 730 Processor is very suitable for heavy gaming.


In Redmi K20, Out of 64, 128GB, 256GB Storage, we get 64GB, 108GB & 242GB With Google Account Included.

Call Quality :

The Call quality on Redmi K20 is outstanding and there are no issues with cellular call quality. We have taken long calls in a day, and the other party doesn’t complain about call quality. The earpiece is present in Top Bezel Which Acts as a Stereo Speaker Too. In Redmi K20 the Calls are very clear through the Loudspeaker.

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Rear Camera: 

Coming to the Camera Department, Redmi K20 features a Triple Camera setup on the back of the device and a Single-Camera on the front of the device. they work perfectly in Redmi K20 Pro. let’s divide the cameras and look at the performance of them

1. Primary Camera: the 48MP main Camera is Awesome and features a Fixed Aperture of F/1.8. The daylight pictures are excellent and contain exquisite details Which are near to natural photo. Exposure is in control with a Decent Dynamic range to take good pictures in good lighting conditions.  In low light conditions, the images are very clear and Sharp without noise which is good to see.

2. Ultra Wide Angle Camera: the 13MP ultra-wide-angle lens on Redmi K20 does a good job in good lighting conditions and features a Fixed Aperture of F/2.4. it captures a much wider picture in 108˚ field of view with good details. exposure is in control with a decent dynamic range. in low lighting conditions, the 13MP camera also captures good photos with decent sharpness and in Controlled Exposure.

3. Telephoto camera:

the 8MP Telephoto Camera is Awesome and features a Fixed Aperture of F/2.4. The Telephoto camera is Very Good and provides Average bokeh and Zoom in Pictures. the 2x Loss Less Zoom Pictures are also Not Good.

Video recording can be done up to [email protected] .the video footage has excellent Colours with great sharpness and decent dynamic range. Stabilization is good in [email protected] And 1080p FHD recording Due to Electronic Image Stabilization. The video quality in the low night conditions is very good with good Sharpness and Decent Dynamic range. the Telephoto Camera Makes Difference in Video Recording with 2x Lossless Zoom. Slow Motion Video Recording is Good

Selfie camera :

Redmi K20 has a 20MP pop-up selfie camera with large 0.8 μm pixel size and 80˚ field of view. it has a fixed aperture of F/2.2. The Pop-up Camera Has Blue light While Opening The Camera.

The Picture quality is good and captures pictures in a Wide view in good lighting conditions it also captures Equal low-light images compared to the rear camera. AI beautification mode is available. Photos are well detailed and contain a decent dynamic range. This single-camera can be used to take portraits images from the front with the Help of Artifical Intelligence.

We can record Video Up to [email protected] the Video Footage is pretty Great Through Selfie camera.

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  • Awesome AMOLED Panel with HDR 10 Support
  • Fastest In-Display Fingerprint Sensor
  • 3.5MM Jack is Present
  • Fast and Fluid MiUi
  • Great Improvement in hardware
  • Great Rear camera In Day & Lowlight Conditions
  • Excellent Pop-up Front Camera in Any Conditions
  • Excellent Back Gradient Design
  • Awesome Battery Life & Faster Charging with 27W Quick Charging


  • Very Slippery Due to Glass Back, Better to use case
  • Low Light Photography Needs Improvement


Who can Get Redmi K20 SmartPhone view: 
if you want a True Midrange Phone with Bright AMOLED Full HD+ screen, with Snapdragon 855 processor and 18W Wired fast charging pop-up Style Camera, Triple Rear Camera Setup then you can go with Redmi K20 SmartPhone. If you want the Same Full-Screen Design Smartphone then

Oppo Reno Z

Mi 9 and if you want better Samatphones Within a Higher Price Range then

Realme X

Oppo K3

Oneplus 7

Samsung Galaxy M40 can be your Alternatives to Redmi K20.

If you are using Redmi K20 then Share your experiences with us in the comment section below and Stay tuned to MobiRadar for more Reviews like this.


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