Oppo K3 Review

Oppo launched Midrange smartphone Named Oppo K3. Oppo K3 was released in India on 19 July 2019. Oppo released Oppo K3 in Two models with 6GB + 64GB, 6GB + 64GB And 8GB + 128GB Variant. Oppo K3 is priced at INR 16,990 @ 6GB + 64 GB Variant, INR 19,999 @ 8GB + 128GB. when I’m using Oppo K3 I felt it is Very Light in the hand Due to its Polycarbonate Body.

It features the Snapdragon chip from Qualcomm named Sd 710 which is available on Nokia 8.1, Realme X and Realme 3 Pro. this chip is made of 10nm LPP (Low Power Plus) FinFet process. this processor is divided into 2 parts; the first part features 6 x A55 low power cores which are clocked at 1.7GHz, second part features 2 x A75 high powered cores which are clocked at 2.2GHz. it has Adreno 616 GPU which increases its work by 20% compared to Snapdragon 710 the last Midrange processor from Qualcomm. It has an X15 Modem which has Download and Uploads speeds of 800 & 300MBPS. It has also integrated Ai Unit built-in the processor which helps in AI Capabilities.

I will divide the review into pros & cons. let’s see quick specs of Oppo K3 and Jump into the Review

Oppo K3

oppo k3
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  • 6.5″ Full HD + (2340 x 1080) AMOLED Display in 19.5:9 Aspect ratio protected with Corning Gorilla Glass 5
  • Qualcomm Snapdragon 710 OctaCore CPU
  • Adreno 616 GPU
  • 6 / 8 GB RAM
  • Nano Sim / Nano Hybrid
  • 128 / 256GB Internal Storage and Expandable up to 256 GB with Micro SD
  • Dual Camera 16MP f/1.8 (Main) + 2MP f/2.4 (Depth)
  • 4K @ 30fps & 1080 p @ 120fps Video Capture, 960 FPS Super Slow Motion Videos
  • 16MP Pop-up Selfie camera
  • 1080P @ 30fps Video Capture
  • Dual 4G Volte
  • Android 9 Pie with Color Os 6 On top
  • 3765 mAH battery with Vooc Charging support
  • In_Display Fingerprint Sensor / Face Unlock
  • Wifi / Bluetooth 5.0 LE / GPS
  • 3.5mm Jack / USB-C


6.5″ HD+ AMOLED screen :

Here in the Display Department, Oppo K3 Features an Excellent Full HD+ AMOLED panel with 409 pixels per inch, the colour reproduction from Oled Panel is good and Colours are vibrant and enjoyable, viewing angles are also good. There are No issues & problems with screen quality Oppo K3. It is Very bright of 448 Nits to see in direct sunlight Like Realme X. This Oppo K3 Is Protected With Corning Gorilla Glass 5.

Speakers and Headphone Jack:

In Oppo K3, Realme Used their traditional Single Speaker System which is present at the bottom of the Smartphone. While This Speaker System is very loud. In terms Of Loudness, it is very loud Which is Comparable with a Mini Bluetooth Speaker. these Speaker does not have support to Dolby Atmos Or Smart Amp but the sound output is good and Produce accurate Sounds. Earpiece performance is also Awesome

Coming to Headphone jack and earphones, In terms Of Headphone Audio, Oppo K3 Sound Way more Equal to Reno Series. the headphone jack provided with an Optimized and clear sound without any Software Support like Dolby Audio and OZO Audio. the headphones are not present in the Box Due to Competitive pricing. but with some good pair headphones for listening to music and for taking voice calls clearly.

Build Quality : 

Oppo K3 is Build with a Polycarbonate frame on side and front and back of the device is protected with Gradient Plastic Back. it provides a good look and feels not Premium Because it is made with Plastic body and Polycarbonate Frame. Through this Oppo K3 was Build with Polycarbonate Frame and Plastic Body there are no issues of creakiness in the Frame. well built and the bezels are shrunk down to place a 6.5″ AMOLED screen. the Bottom Bezel part looks Like Oneplus 6t Which is very Slim.


Oppo K3 has a Same design Like Reno Series. The Center pop-up camera is good and backside look of the smartphone is very nice. the Rear camera Setup is like The Reno Smartphone.

Rear fingerprint scanner: 

Oppo K3 Features an Optical In-Display fingerprint sensor which is present on the bottom of the phone. By performance, it is Very fast and accurate to recognize the fingerprint of the user.

Face unlocking:

Oppo K3 has face unlock feature. It works Nice in Normal Conditions Very Quickly and And Securely but in Night Conditions it will work 50% 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 Oppo K3.

Weight balance:  

Oppo K3 feels very light with 6.5″ Screen and 3765 mAh battery equipped. The weight balance of Realme X is done very well. By Reducing, Weight Oppo K3 can be used by one hand very easily.

Battery life:

My Oppo K3 lasted a Full Working day with heavy usage and at the end of the day, I had 21% of charge left in the phone which is good for a 3765 mAH Battery. We got 5.3 – 5.7 Hours of Sot( Screen on time) on using Mobile data which is good. you will get above 6hr Battery life if you use on WiFi. The ideal drain of Oppo K3 is very low. the 20W Vooc charging 3.0 charges the phone in 83 Min Which is Faster than Quick charging 3.0

Color Os 6.0 Operating System Based On Android 9 Pie :

Here the Oppo K3 comes with the Oppo’s Colour OS UI Based on Android 9 Pie. we can see Dual apps and other features in this UI Android 9 Pie. we can Also see the unnecessary apps that are wasting Ram on the phone Better To UnInstall Them. By having Colour OS we can not Expect 2 years of Android Version Upgrades and 3 years of security updates on Oppo K3 Which is Bad Thing. If they Decided to provide The Version and Security Upgrades they might Be Very Slow.


My Oppo K3 managed to do day to day tasks very well. There are No issues and problems with the User interface and there are no heating issues with Oppo K3. We cannot notice Easily While It heats Due to Plastic back.

Ram Management : 

Ram Management is done very well on this Oppo K3. We tested 4GB ram Model and We did not notice any lags with the 6GB Ram device and there are no reloading of apps on this Oppo K3. Multitasking experience is nice.

Coming to Gaming, we played Asphalt 9, PUBG, Fortnite battle Royle at Higher graphics setting without any lags & frame drops in the game.

Call Quality :

the Call quality on Oppo K3 is very good and there are no issues with cellular call quality. we have taken long calls in a day and the other party doesn’t complain. the earpiece is included in the top bezel & it’s loud and Loud enough in Noisy Conditions.


Coming to the Camera Department, Oppo K3 features a Dual Camera setup on the back of the device and a single camera on the front of the device. they work perfectly in Oppo K3. There is No Change In the camera’s Of Oppo K3 When Compared to Oppo K1. So the camera Performance should be the same. let’s divide the cameras and look at the performance of them

1. Main Camera: the 16MP main Camera is Awesome and features a Fixed Aperture of F/1.7. the daylight pictures are Good and contain good details. Exposure is in control with Good Dynamic range to take Awesome photos in good lighting Conditions. in low light conditions, the pictures had a very low noise which is negligible to see.

2. Depth Camera: the 2MP Depth Camera on Oppo K3 works and Gives Bokeh Effect. The Edge Detection is Average In Oppo K3.

Video recording can be done up to 4K @30fps .the video footage has awesome Colours with great sharpness and decent dynamic range. there is no good in Stabilization 4K @ 30fps recording. the video quality in the low night conditions is very good.

Selfie camera :

Oppo K3 features a 16MP Pop-up selfie camera with large 1.0 μm pixel size and 84.3˚ field of view. it has a fixed aperture of F/2.0. the Picture quality is fantastic and captures pictures in a Wide view in good lighting conditions it also captures equal low-light images compared to the rear camera and it is Plus Point in Oppo K3. This single-camera can be used to take portraits images from the front with the Help of Artifical Intelligence. it has also Auto Beautification Mode and Phase Detection Auto Focus System Present.

Video recording can be done up to 1080p@30fps with Front Camera .the video footage has awesome Colours with great sharpness and decent dynamic range.

Widevine L1 support:

Oppo K3 has Widevine L1 support to stream HD videos from Amazon Prime or NetFlix.

Sensors : 

Oppo K3 has all sensors like proximity, Gyroscope, accelerometer, Auto-Brightness Sensor, In-display Fingerprint sensors Are Present which is good to see.


  • Notch-less Amoled Display gives a Premium look in Midrange Segment and
  • Good AMOLED Display With Super brightness and Excellent Vibrant Colours
  • Excellent 16MP Camera in Midrange Range With Excellent Low light & Day Light images and Perfect portrait Images
  • 16MP Front Camera Makes Sense and With Excellent Selfies in all Conditions
  • Awesome Performance With SD 710 Soc which does Gaming And Normal Tasks Very Easily.
  • Decent Battery life With 20W Vooc Charging
  • Excellent Reno Design with New Gradient Colours


  • No Micro SD card Slot For Memory Expansion
  • Depth Camera Should Be 5MP For Better Bokeh
  • Slow Android Version Updates


Who can Get Oppo K3: if you want an Oppo device with 19:9 Aspect Ratio with Colour OS and SD 710 Soc With Reno Design In Budget Then Oppo K3 can be your First choice. if you want Other Smartphones With Powerful hardware with other Operating Systems Price to Value Mobiles Then

Realme X

Redmi K20

Huawei P30 Lite

Samsung Galaxy M40

Redmi Note 7 Pro can be your Alternatives to Oppo K3.

If you are using Oppo K3 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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