OnePlus 9 vs Xiaomi Mi 11i

Phones Images
PHONES
Phone Names OnePlus 9 Xiaomi Mi 11i
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA
SpeedHSPA 42.2/5.76 Mbps, LTE Cat20 2000/200 Mbps, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
 1, 3, 28, 41, 78, 79 SA/NSA - CN-
Launch
Announced2021, March 232021, March 29
StatusAvailable. Released 2021, March 26Available. Released 2021, May 31
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame-
Dimensions160 x 74.2 x 8.7 mm (EU/NA)160 x 73.9 x 8.1 mm (IN/CN)163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight192 g (EU/NA)183 g (IN/CN) (6.46 oz)196 g (6.91 oz)
 IP68 (T-Mobile version only)IP53, dust and splash resistant
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~402 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.55 inches, 103.6 cm2 (~87.6% screen-to-body ratio)6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
TypeFluid AMOLED, 120Hz, HDR10+, 1100 nits (peak)Super AMOLED, 120Hz, HDR10+, 900 nits (HBM), 1300 nits (peak)
 Always-on display-
Platform
CPUOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 660Adreno 660
OSAndroid 11, upgradable to Android 13, OxygenOS 13Android 11, MIUI 12
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesHasselblad Color Calibration, color spectrum sensor, dual-LED flash, HDR, panoramaColor spectrum sensor, LED flash, HDR, panorama
Single16 MP, f/2.4, (wide), 1/3.06", 1.0µm20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Triple48 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)108 MP, f/1.8, 26mm (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (telephoto macro), 1/5.0", 1.12µm, AF
Video8K@30fps, 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.4, (wide), 1/3.06", 1.0µm20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Video1080p@30fps, gyro-EIS1080p@30fps, 720p@120fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio24-bit/192kHz audio
Comms
Bluetooth5.2, A2DP, LE, aptX HD5.2, A2DP, LE
Infrared port-Yes
NFCYesYes (market/region dependent)
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.1, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Charging65W wired, PD, 100% in 29 min 15W wireless (EU/NA)33W wired, PD3.0, QC3, 100% in 52 min
TypeLi-Po 4500 mAhLi-Po 4520 mAh
Misc
ColorsWinter Mist, Arctic Sky, Astral BlackCelestial Silver, Frosty White, Cosmic Black
ModelsLE2113, LE2111, LE2110, LE2117, LE2115M2012K11G
Price$ 145.00 / £ 200.00 / € 249.99About 230 EUR
SAR-0.95 W/kg (head)     0.74 W/kg (body)
SAR EU-0.57 W/kg (head)     0.77 W/kg (body)
Tests
Battery life Endurance rating 87h Endurance rating 96h
Camera Photo / Video Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker -24.5 LUFS (Very good) -26.0 LUFS (Very good)
Performance- AnTuTu: 690021 (v8) GeekBench: 3641 (v5.1)
OUR TESTS
Battery (old)Endurance rating 87hEndurance rating 96h
CameraPhoto / VideoPhoto / Video
Display821 nits max brightness (measured)939 nits max brightness (measured)
Loudspeaker-24.5 LUFS (Very good)-26.0 LUFS (Very good)
Performance-AnTuTu: 690021 (v8) GeekBench: 3641 (v5.1)