OnePlus 9 vs Xiaomi Redmi K20 Pro Premium

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 - North America; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 - IN; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 - China

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500)
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU; 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - North America; 41, 78 SA/NSA - IN; 1, 3, 28, 41, 78, 79 SA/NSA - China

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (5CA), Cat20, 2000 Mbps download, 200 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass), glass back (Gorilla Glass), plastic frame

Aluminium alloy, glass
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

160 mm

156.7 mm
Width

74.2 / 73.9 (EU, North America/IN, China) mm

74.3 mm
Thickness

8.7 / 8.1 (EU, North America/IN, China) mm

8.8 mm
Weight

192 / 183 (EU, North America/IN, China) g

191 g
Waterproof

IP68

-
Dust proof

IP68

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Colors

Black, Sky, Winter Mist

Black, Blue, Red, Honey, White

Display
Display type

Fluid AMOLED

Super AMOLED capacitive touchscreen
Physical size

6.55 inches

6.39 inches
Resolution

1080 x 2400 pixels

1080 x 2340 pixels
Pixel density

402 ppi

403 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6
Multitouch

-

Yes
Display features

Always-on display, 120Hz, HDR10+, 1100 nits (peak)

HDR10, DCI-P3, Always-on-display

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 48 MP, f/1.8 , 23 mm, 1/1.43" , 1.12 µm

48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 2x optical zoom
(ultrawide) , 50 MP, f/2.2 , 14 mm, 1/1.56" , 1.0 µm

8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
(depth) , 2 MP, f/2.4

13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
Primary camera resolution

8000 x 6000 pixels

8000 x 6000 pixels
Primary camera video

8K@30fps, 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS

2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Primary camera flash

dual-LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, contrast detection autofocus, Hasselblad Pro mode, dual native ISO, 2.2 OCL

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, RAW

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
WLAN DLNA

Yes

-
USB

Type-C 3.1

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

aptX HD
NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-
SBAS

Yes

-

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, hall, proximity, step counter, step detector, in-display fingerprint sensor

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

4000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Warp Charge 65T (100% in 29 min)

Qualcomm Quick Charge 4+
Fast wireless charging

Qi

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