Product
OnePlus 9R
OnePlus 9R
Xiaomi Mi Note 2
Xiaomi Mi Note 2
Battery
Charging 65W wired, 100% in 39 min 18W wired, QC3
Type Li-Po 4500 mAh Li-Ion 4070 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame Glass front, glass back, aluminum frame
Dimensions 161 x 74.1 x 8.4 mm (6.34 x 2.92 x 0.33 in) 156.2 x 77.3 x 7.6 mm (6.15 x 3.04 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 189 g (6.67 oz) 166 g (5.86 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 4.2, A2DP, LE
Infrared port - Yes
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) GPS, GLONASS, BDS
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 -
Resolution 1080 x 2400 pixels, 20:9 ratio (~402 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Size 6.55 inches, 103.6 cm2 (~86.8% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~74.2% screen-to-body ratio)
Type Fluid AMOLED, 120Hz, HDR10+ AMOLED
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2021, March 23 2016, October. Released 2016, November
Status Available. Released 2021, April 14 Discontinued
Main Camera
Features Dual-LED flash, HDR, panorama Dual-LED dual-tone 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, (monochrome) -
Single - 22.5 MP, f/2.0, 1/2.6", 1.0µm, PDAF
Video 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS 4K@30fps, 1080p@30fps (gyro-EIS)
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM
  UFS 3.1 -
Misc
Colors Carbon Black, Lake Blue Black, Gold, Silver
Models LE2101, LE2100 2015213
SAR 1.17 W/kg (head)     0.85 W/kg (body)     0.78 W/kg (head)     1.38 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
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, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41
5G bands 78 SA/NSA -
Speed HSPA 42.2/5.76 Mbps, LTE (CA) Cat18 1200/200 Mbps, 5G HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
Our Tests
Audio quality - Noise-94.4dB / Crosstalk -91.7dB
Battery (old) - Endurance rating 92h
Camera - Photo / Video
Display - Contrast ratio: 66800 (nominal), 3.228 (sunlight)
Loudspeaker - Voice 63dB / Noise 68dB / Ring 76dB
Performance - GFXBench: 20fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Qualcomm MSM8996 Snapdragon 821 (14 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
GPU Adreno 650 Adreno 530
OS Android 10, upgradable to Android 14, OxygenOS 14 Android 6.0 (Marshmallow), MIUI 8.2
Selfie camera
Features HDR -
Single 16 MP, f/2.4, (wide), 1/3.06", 1.0µm 8 MP, f/2.0, AF
Video 1080p@30fps, gyro-EIS 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes, with stereo speakers Yes
  - 24-bit/192kHz audio