Product
OnePlus 8T+ 5G
OnePlus 8T+ 5G
Xiaomi Mi 9 Pro
Xiaomi Mi 9 Pro
Battery
Charging 65W wired, 100% in 39 min 40W wired, QC4 30W wireless 10W reverse wireless
Type Li-Po 4500 mAh Li-Po 4000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame (7000 series)
Dimensions 160.7 x 74.1 x 8.4 mm (6.33 x 2.92 x 0.33 in) 157.2 x 74.6 x 8.5 mm (6.19 x 2.94 x 0.33 in)
SIM Nano-SIM Nano-SIM + Nano-SIM
Weight - 196 g (6.91 oz)
  IP68 dust tight and water resistant (not for use underwater, liquid damage is not covered under warranty) -
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD
Infrared port - Yes
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a)
Radio No No
USB USB Type-C 3.1, OTG USB Type-C 2.0, OTG
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, DLNA
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 6
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 (~87.0% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~85.5% screen-to-body ratio)
Type Fluid AMOLED, 120Hz, HDR10+ Super AMOLED, HDR10
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer (market dependant) Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2020, October 14 2019, September. Released 2019, September
Status Available. Released 2020, October 16 Discontinued
Main Camera
Features Dual-LED flash, HDR, panorama Laser AF, Dual-LED flash, HDR, panorama
Quad 48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Triple - 48 MP, f/1.8, 27mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, PDAF
Video 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Memory
Card slot No No
Internal 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
  UFS 3.1 UFS 2.1
Misc
Colors Aquamarine Green, Lunar Silver Dream White, Titanium Black
Models KB2007 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 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, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 17, 41 - China
5G bands 2, 25, 41, 66, 71 Sub6/mmWave -
Speed HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/200 Mbps, 5G 7.5 Gbps DL HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/150 Mbps
Technology GSM / CDMA / HSPA / LTE / 5G GSM / CDMA / HSPA / LTE
  CDMA 800 / 1700 / 1900 CDMA 800 & TD-SCDMA
Platform
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Qualcomm SM8150 Snapdragon 855+ (7 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU Adreno 650 Adreno 640 (700 MHz)
OS Android 11, OxygenOS 11 Android 10, MIUI 11
Selfie camera
Features HDR HDR
Single 16 MP, f/2.4, (wide), 1/3.06", 1.0µm 20 MP, f/2.0, (wide), 1/3", 0.9µm
Video 1080p@30fps, gyro-EIS 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes