Product
OnePlus 9
OnePlus 9
Xiaomi Mi Mix 3 5G
Xiaomi Mi Mix 3 5G
Battery
Charging 65W wired, PD, 100% in 29 min 15W wireless (EU/NA) 18W wired, QC4
Type Li-Po 4500 mAh Li-Po 3800 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame Glass front (Gorilla Glass 5), ceramic back, aluminum frame (7000 series)
Dimensions 160 x 74.2 x 8.7 mm (EU/NA)160 x 73.9 x 8.1 mm (IN/CN) 157.9 x 74.7 x 9.4 mm (6.22 x 2.94 x 0.37 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM
Weight 192 g (EU/NA)183 g (IN/CN) (6.46 oz) 225 g (7.94 oz)
  IP68 dust tight and water resistant (T-Mobile version only) -
Comms
Bluetooth 5.2, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
Radio No No
USB USB Type-C 3.1, OTG USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Resolution 1080 x 2400 pixels, 20:9 ratio (~402 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.55 inches, 103.6 cm2 (~87.6% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~85.0% screen-to-body ratio)
Type Fluid AMOLED, 120Hz, HDR10+, 1100 nits (peak) Super AMOLED, HDR
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2021, March 23 2019, February. Released 2019, May
Status Available. Released 2021, March 26 Discontinued
Main Camera
Dual - 12 MP (wide), f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP (telephoto), 1/3.4", 1.0µm
Features Hasselblad Color Calibration, color spectrum sensor, dual-LED flash, HDR, panorama LED flash, HDR, panorama
Triple 48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF 50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm, AF 2 MP, f/2.4, (monochrome) -
Video 8K@30fps, 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 12GB RAM 64GB 6GB RAM, 128GB 6GB RAM
  UFS 3.1 UFS 2.1
Misc
Colors Winter Mist, Arctic Sky, Astral Black Sapphire Blue
Models LE2113, LE2111, LE2110, LE2117, LE2115 M1810E5GG
SAR - 1.56 W/kg (head)     1.58 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 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, 20, 28, 34, 38, 39, 40, 41
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU 78 NSA/Sub6
Speed HSPA 42.2/5.76 Mbps, LTE (CA) Cat20 2000/200 Mbps, 5G HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps, 5G (2+ Gbps DL)
Technology GSM / CDMA / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE / 5G
  1, 3, 28, 41, 78, 79 SA/NSA - CN CDMA2000 1xEV-DO
Our Tests
Battery (old) Endurance rating 87h -
Camera Photo / Video -
Display 821 nits max brightness (measured) -
Loudspeaker -24.5 LUFS (Very good) -
Platform
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM8150 Snapdragon 855 (7 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 660 Adreno 640
OS Android 11, upgradable to Android 13, OxygenOS 13 Android 9.0 (Pie), MIUI 12
Selfie camera
Dual - Manual pop-up 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm Manual pop-up 2 MP, depth sensor
Features HDR LED flash, HDR
Single 16 MP, f/2.4, (wide), 1/3.06", 1.0µm -
Video 1080p@30fps, gyro-EIS 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes
  24-bit/192kHz Hi-Res audio -