Xiaomi Redmi K20 128GB Specifications

Key Specs General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

Key Specs

RAM 6 GB
Processor Qualcomm Snapdragon 730
Rear Camera 48 MP + 13 MP + 8 MP
Front Camera 20 MP
Battery 4000 mAh
Display 6.39 inches (16.23 cm)

General

Launch Date July 22, 2019 (Official)
Operating System Android v9.0 (Pie)
Custom UI MIUI

Performance

Good
Chipset Qualcomm Snapdragon 730
CPU Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Architecture 64 bit
Fabrication 8 nm
Graphics Adreno 618
RAM 6 GB
RAM Type LPDDR4X
Performance Test Results Tested by 91mobiles
AnTuTu Score 209,539
Bootup Time 15.0 s
Speed Test (Antutu Score)
The higher, the better
Below average performance
Best 1,299,678
Group Average 372,098
This Phone 209,539
Worst 87,730
*Group: 16-26k Phones
See comparision with other phones
Performance Test Results Tested by 91mobiles
Speed Test (Antutu Score)
Below average performance
The higher, the better
POCO X6 Pro 1,299,678
OnePlus Nord CE 4 5G 819,347
vivo T3 715,922
Samsung Galaxy M55 5G 584,312
realme P1 418,175
Xiaomi Redmi K20 128GB 209,539
Tecno Phantom 9 87,730
*Group: 16-26k Phones
Bootup Time
Boots up very quickly
The lower, the better
Lava Agni 2 5G 14.0 s
Xiaomi Redmi K20 128GB 15.0 s
OnePlus Nord CE 4 5G 22.0 s
realme P1 23.0 s
Samsung Galaxy M55 5G 24.0 s
vivo T3 24.0 s
Samsung Galaxy M42 5G 48.0 s
*Group: 16-26k Phones
Bootup Time
The lower, the better
Boots up very quickly
Best 14.0 s
This Phone 15.0 s
Group Average 23.8 s
Worst 48.0 s
*Group: 16-26k Phones
See comparision with other phones
Gaming Test Results Tested by 91mobiles
GFX Score 2,114.0
Battery Drain 12.0 %
Heating 22.4 %
* after 30 mins of gaming
GFX Score
The higher, the better
Average graphics performance
Best 7,171.0
Group Average 2,829.2
This Phone 2,114.0
Worst 638.6
*Group: 16-26k Phones
See comparision with other phones
Gaming Test Results Tested by 91mobiles
* after 30 mins of gaming
GFX Score
Average graphics performance
The higher, the better
Xiaomi Redmi K50i 256GB 7,171.0
vivo T3 5,209.0
Samsung Galaxy M55 5G 4,911.0
OnePlus Nord CE 4 5G 3,730.0
realme P1 2,261.0
Xiaomi Redmi K20 128GB 2,114.0
Tecno Phantom 9 638.6
*Group: 16-26k Phones
Battery Drain
Below average battery backup while gaming
The lower, the better
Xiaomi Redmi Note 13 2.0 %
vivo T3 6.0 %
Samsung Galaxy M55 5G 7.0 %
OnePlus Nord CE 4 5G 7.0 %
realme P1 7.0 %
Xiaomi Redmi K20 128GB 12.0 %
OPPO F11 Pro 12.0 %
*Group: 16-26k Phones
Heating
Normal heating while gaming
The lower, the better
Samsung Galaxy M42 5G 2.1 %
realme P1 17.7 %
Xiaomi Redmi K20 128GB 22.4 %
vivo T3 25.8 %
OnePlus Nord CE 4 5G 26.6 %
Samsung Galaxy M55 5G 27.4 %
POCO X6 Pro 60.9 %
*Group: 16-26k Phones
Battery Drain
The lower, the better
Below average battery backup while gaming
Best 2.0 %
Group Average 5.7 %
This Phone 12.0 %
Worst 12.0 %
*Group: 16-26k Phones
See comparision with other phones
Heating
The lower, the better
Normal heating while gaming
Best 2.1 %
This Phone 22.4 %
Group Average 22.8 %
Worst 60.9 %
*Group: 16-26k Phones
See comparision with other phones
Benchmark Screenshots
Benchmarks
AnTuTu Benchmark
Benchmarks
Graphics Benchmark
Benchmarks
Geekbench4 Benchmark

Display

Very Good
Display Type AMOLED
Screen Size 6.39 inches (16.23 cm)
Resolution 1080x2340 px (FHD+)
Aspect Ratio 19.5:9
Pixel Density 403 ppi
Screen to Body Ratio (calculated) 85.9 %
Screen Protection Corning Gorilla Glass v5
Bezel-less display Yes
Touch Screen Yes, Capacitive Touchscreen, Multi-touch
HDR 10 / HDR+ support Yes
Screen to Body Ratio (claimed by the brand) 91.9 %
UI Screenshots
UI Screenshot
Lock Screen
UI Screenshot
Home Screen
UI Screenshot
Screen With Widgets
UI Screenshot
Dialer Screen
UI Screenshot
App Drawer
UI Screenshot
Notification Panel
UI Screenshot
Quick Settings Panel
UI Screenshot
Settings Screen
UI Screenshot
OS Version
UI Screenshot
Storage
UI Screenshot
Battery
UI Screenshot
Camera On
UI Screenshot
Camera Options
UI Screenshot
Camera Modes
UI Screenshot
Camera Settings
UI Screenshot
Picture Size Options
UI Screenshot
Video Size Options

Design

Height 156.7 mm
Width 74.3 mm
Thickness 8.8 mm
Weight 191 grams
Build Material Back: Gorilla Glass
Colours Carbon Black, Flame Red, Glacier Blue, Pearl White

Rear Camera

Very Good
Camera Setup Triple
Resolution
CameraMPApertureLens FeaturesSensor SizePixel SizeZoom
Primary48 MPf/1.752" 0.8µm
Secondary13 MPf/2.4Ultra-Wide Angle3" 1.12µm
Tertiary8 MPf/2.4Telephoto4.0" 1.12µmupto 10x Digital Zoom, upto 2x Optical Zoom
Sensor IMX586, Exmor-RS CMOS Sensor
Autofocus Yes, Phase Detection autofocus
Flash Yes, Dual LED Flash
Image Resolution 8000 x 6000 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features Auto Flash
Face detection
Touch to focus
Video Recording 3840x2160 @ 30 fps
1920x1080 @ 60 fps
1280x720 @ 120 fps
Rear Camera Samples
Rear Camera
Daylight Auto / HDR OFF
Rear Camera
Daylight / HDR ON
Rear Camera
Portrait Shot
Rear Camera
AI OFF
Rear Camera
AI ON
Rear Camera
Night Mode OFF
Rear Camera
Close Up
Rear Camera
Low Light
Rear Camera
Low Light With Flash
Rear Camera
Colour Variance
Compare Camera Samples
Xiaomi Redmi K20 128GB 48 MP
vs
Xiaomi Redmi K20 Pro 48 MP
Xiaomi Redmi K20
Xiaomi Redmi Note 8 Pro
Daylight Auto / HDR OFF
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Daylight / HDR ON
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Portrait Shot
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
AI OFF
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
AI ON
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Night Mode OFF
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Close Up
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Low Light
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Low Light With Flash
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Selfie
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Selfie Portrait
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Selfie Low Light
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Selfie Low Light With Flash
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB
Colour Variance
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 128GB

Front Camera

Very Good
Camera Setup Single
Resolution
CameraMPAperturePixel Size
Primary20 MPf/2.20.8µm
Camera Type Pop-Up
Video Recording 1920x1080 @ 30 fps
1280x720 @ 30 fps
Front Camera Samples
Front Camera
Selfie
Front Camera
Selfie Portrait
Front Camera
Selfie Low Light
Front Camera
Selfie Low Light With Flash

Battery

Good
Capacity 4000 mAh
Type Li-Polymer
Removable No
Quick Charging Yes, Quick, v3.0, 18W
USB Type-C Yes
Battery Test Results Tested by 91mobiles
Battery Life (PC Mark) 13h 38m
Charging Time (20% to 100%) 1h 38m 18s
Battery Life (PC Mark)
The higher, the better
Average battery backup
Best 26.4 hrs
Group Average 15.0 hrs
This Phone 13.6 hrs
Worst 7.4 hrs
*Group: 16-26k Phones
See comparision with other phones
Battery Test Results Tested by 91mobiles
Battery Life (PC Mark)
Average battery backup
The higher, the better
realme Narzo 30 5G 26.4 hrs
realme P1 16.3 hrs
OnePlus Nord CE 4 5G 16.0 hrs
vivo T3 15.3 hrs
Xiaomi Redmi K20 128GB 13.6 hrs
Samsung Galaxy M55 5G 13.0 hrs
OPPO F15 4GB RAM 7.4 hrs
*Group: 16-26k Phones
Charging Time (20% to 100%)
Average charging time
The lower, the better
Xiaomi 11i HyperCharge 0.2 hrs
OnePlus Nord CE 4 5G 0.6 hrs
Samsung Galaxy M55 5G 1.1 hrs
vivo T3 1.2 hrs
realme P1 1.2 hrs
Xiaomi Redmi K20 128GB 1.6 hrs
Tecno Phantom 9 6.9 hrs
*Group: 16-26k Phones
Charging Time (20% to 100%)
The lower, the better
Average charging time
Best 0.2 hrs
Group Average 1.3 hrs
This Phone 1.6 hrs
Worst 6.9 hrs
*Group: 16-26k Phones
See comparision with other phones

Storage

Best In Class
Internal Memory 128 GB
Expandable Memory No
USB OTG Yes
Storage Type UFS 2.1

Network & Connectivity

SIM Slot(s) Dual SIM, GSM+GSM, Dual VoLTE
SIM Size SIM1: Nano, SIM2: Nano
Network Support 5G Not Supported in India, 4G Supported in India, 3G, 2G
VoLTE Yes
SIM 1 4G bands, 3G bands, 2G bands, GPRS, EDGE,
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
3G bandsUMTS 1900 / 2100 / 850 / 900 MHz
2G Bands GSM 1800 / 1900 / 850 / 900 MHz
GPRSAvailable
EDGEAvailable
SIM 2 4G bands, 3G bands, 2G bands, GPRS, EDGE,
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
3G bandsUMTS 1900 / 2100 / 850 / 900 MHz
2G Bands GSM 1800 / 1900 / 850 / 900 MHz
GPRSAvailable
EDGEAvailable
SAR Value Head: 1.07 W/kg, Body: 0.723 W/kg
Wi-Fi Yes, Wi-Fi 5 (802.11 b/g/n/ac), MIMO
Wi-Fi Features Wi-Fi Direct, Mobile Hotspot
Wi-Fi Calling Yes
Bluetooth Yes, v5.0
GPS Yes with A-GPS, Glonass
USB Connectivity Mass storage device, USB charging

Multimedia

Loudspeaker Yes
Audio Jack 3.5 mm

Sensors

Fingerprint Sensor Yes
Fingerprint Sensor Position On-screen
Fingerprint Sensor Type Optical
Other Sensors Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope