OnePlus 9 vs Xiaomi Mix Fold 2

Network
2G network

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

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
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

5G band 1, 3, 5, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA
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

-
LTE speed

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

LTE-A (CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Glass, aluminium alloy
SIM

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

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

160 mm

161.1 mm
Width

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

73.9 mm
Thickness

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

11.2 mm
Height unfolded

-

161.1 mm
Width unfolded

-

144.7 mm
Thickness unfolded

-

5.4 mm
Weight

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

262 g
Waterproof

IP68

-
Dust proof

IP68

-
Colors

Black, Sky, Winter Mist

Black, Gold

Display
Display type

Fluid AMOLED

Foldable LTPO2 OLED
Physical size

6.55 inches

8.02 inches
Resolution

1080 x 2400 pixels

1914 x 2160 pixels
Pixel density

402 ppi

360 ppi
Display colors

16777216

1073741824
Protection

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

Schott UTG glass, Corning Gorilla Glass Victus
Display features

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

120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)
Cover display

-

AMOLED
Cover display physical size

-

6.56 inches
Cover display resolution

-

1080 x 2520 pixels
Cover display features

-

120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 50 MP, f/1.8 , 1/1.56" , 1.0 µm
(ultrawide) , 50 MP, f/2.2 , 14 mm, 1/1.56" , 1.0 µm

(telephoto) , 8 MP, f/2.6 , 45 mm, 2x optical zoom
(depth) , 2 MP, f/2.4

(ultrawide) , 13 MP, f/2.4 , 123 , 15 mm, 1.12 µm
Primary camera resolution

8000 x 6000 pixels

8190 x 6120 pixels
Primary camera video

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

8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Primary camera flash

dual-LED flash

dual 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 autofocus, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, Dolby Vision, Leica Native Dual Quality, super night 2.0

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.4 , 1/3.06" , 1.0 µm

(wide) , 20 MP, f/2.4 , 1/3.4" , 0.8 µm, 27 mm
Selfie camera resolution

4640 x 3456 pixels

5184 x 3880 pixels
Selfie camera features

Face unlock, HDR, digital image stabilization

Face unlock, HDR, Dolby Vision
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30/60fps, 720p@120fps

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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
WLAN DLNA

Yes

-
USB

Type-C 3.1

Type-C
USB On-The-Go

Yes

-
Bluetooth

v5.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
SBAS

Yes

-
NavIC

-

Yes

Features
Sensors

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

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Warp Charge 65T (100% in 29 min)

Quick Charge 4+, 67W (100% in 40 min)
Fast wireless charging

Qi

-