OnePlus OnePlus 9 vs Xiaomi Xiaomi 11T Pro

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

OnePlus 9 compared with Xiaomi 11T Pro
OnePlusOnePlus 9XiaomiXiaomi 11T Pro
Overview
ReleasedMarch 2021October 2021
Display
Screen size6.55″6.67″
Resolution2400 × 10802400 × 1080
Sharpness402 pixels per inch (better)395 pixels per inch
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness1,100 nits (better)1,000 nits
Display typeFlat Fluid AMOLED; 20:9 aspect ratioAMOLED DotDisplay; 20:9 aspect ratio
Pixel density402 ppi–
Brightness detailUp to 1,100 nits; two ambient light sensors and 8,192 automatic brightness levels, stated in the maker's launch release800 nits HBM typical; 1,000 nits peak typical
Always-on displayAlways-on display with OxygenOS 11, described by TechAdvisor–
Screen protectionCorning Gorilla Glass; generation not specified in the maker's sheetCorning Gorilla Glass Victus
Display features120 Hz; HDR10+; sRGB and Display P3; Comfort Tone, Reading Mode, Night Mode, Vibrant Color Effect and Ultra-high Video ResolutionUp to 480 Hz touch sampling; over 1 billion colours; P3 gamut; 5,000,000:1 contrast; Dolby Vision, HDR10+, MEMC, Reading mode 3.0 and Sunlight mode 3.0; DisplayMate A+
Performance
ChipSnapdragon 888Snapdragon 888
Memory8 GB – 12 GB8 GB – 12 GB
Storage128 GB, 256 GB128 GB, 256 GB
CPUQualcomm Snapdragon 888 with Snapdragon X60 5G modem5 nm process; Kryo 680 CPU up to 2.84 GHz with Arm Cortex-X1 technology
GPUAdreno 660Qualcomm Adreno 660
AI engine–Sixth-generation Qualcomm AI Engine
Storage typeLPDDR5 RAM; UFS 3.1 two-lane storage; UK 8/128 GB and 12/256 GB pairings confirmed by TechAdvisorLPDDR5 RAM and UFS 3.1 storage; UK launch variants are 8/128 GB and 8/256 GB; maker sheet also lists 12/256 GB for other markets, as distinguished by Tech Advisor
CoolingOnePlus Cool Play with thicker graphite layers and a larger vapour chamberLiquidCool technology
Cameras
Main camera48 MP108 MP (better)
Ultra wide camera50 MP8 MP
Telephoto cameraNoneNone
Optical zoomNoneNone
Front camera16 MP16 MP
Main cameraSony IMX689, 48 MP, 1/1.43-inch sensor, f/1.8, 23 mm equivalent, seven-element lens and 1.12 µm pixels; maker's sheet does not publish OIS and the reviews confirm its absence108 MP, ƒ/1.75, 0.7 µm pixels, 9-in-1 2.1 µm pixels
Ultra wide cameraSony IMX766, 50 MP, 1/1.56-inch sensor, f/2.2, 14 mm equivalent, seven-element freeform lens8 MP, ƒ/2.2, 120° field of view
Front cameraSony IMX471, 16 MP, f/2.4, 1.0 µm pixels, fixed focus and EIS16 MP, ƒ/2.45
ZoomDigital zoom; no dedicated telephoto camera–
Video recording8K at 30 fps; 4K and 1080p at 30 or 60 fps; slow motion at 1080p 240 fps or 720p 480 fps; time-lapse at 1080p or 4K 30 fps; video editor8K at 30 fps; 4K and 1080p at 30 or 60 fps; 720p at 30 fps; slow motion 1080p at 120, 240 or 960 fps
Front video1080p at 30 fps; time-lapse1080p at 30 or 60 fps; 720p at 30 fps
Camera featuresHasselblad Camera for Mobile and Natural Color Calibration; additional 2 MP monochrome camera, all-pixel omnidirectional phase and contrast autofocus, dual LED flash, Nightscape, Super Macro, UltraShot HDR, Smart Scene Recognition, Portrait, Pro with 12-bit RAW, Panorama, Tilt-shift, focus peaking, pet focus, filters, Super Stable, Video Nightscape, Video HDR, video portrait, focus tracking and Hyperlapse5 MP telemacro camera, ƒ/2.4, autofocus from 3–7 cm; night mode, AI Erase 2.0, six long-exposure effects, photo clones, 108 MP/document modes, Google Lens, audio zoom, AI cinema, HDR10+ filming and Pro video; selfie night mode
Battery and charging
Battery4,500 mAh5,000 mAh (better)
Wired chargingUp to 65 WUp to 120 W (better)
Wireless chargingUp to 15 W (better)None
Battery life detailNon-removable dual-cell battery; two 2,250 mAh cells equivalent to 4,500 mAh typical5,000 mAh typical equivalent; two 2,500 mAh cells
Wired chargingWarp Charge 65T, 10 V/6.5 A; maker reports 1–100% in 29 minutes under laboratory conditions; included adapter supports USB Power Delivery up to 45 W for other compatible devicesIncluded 120 W charger; maximum 120 W with 220–240 V input, 96 W with 100–120 V input; maker claims 2–100% in 17 minutes under laboratory conditions
Wireless charging15 W Qi wireless charging on the European model; regional variants differ–
Charges other devicesReverse wireless charging, described by Android Central; maker wattage not verified–
Design
TypeStandardStandard
Weight192 g (better)204 g
Thickness8.7 mm (better)8.8 mm
Height × width160 × 74.2 mm164.1 × 76.9 mm
MaterialsGlass back and plastic frame, described by TechRadar–
ColoursArctic Sky, Astral Black and Winter Mist; UK Winter Mist is tied to 12/256 GB according to TechAdvisorCelestial Blue, Moonlight White and Meteorite Gray
ButtonsAlert Slider; gestures and on-screen navigation supported–
Water resistance detailNo published IP rating for the UK unlocked model; the separate US T-Mobile certification is not applied–
BiometricsIn-display fingerprint sensor and camera-based face unlockSide-mounted fingerprint sensor
SensorsFingerprint sensor, accelerometer, electronic compass, gyroscope, ambient light, proximity, sensor core and flicker detectionProximity, ambient light, accelerometer, gyroscope, compass, 8 × 9 mm X-axis linear motor, IR blaster, barometer and colour temperature
SpeakersDual stereo speakers; Dolby AtmosDedicated dual speakers tuned by Harman Kardon; Dolby Atmos and Hi-Res Audio
MicrophonesNoise cancellation support–
Software
Operating systemAndroidAndroid
Software at launchOxygenOS based on Android 11MIUI 12.5 based on Android 11
Software updatesThree Android OS upgrades and four years of security updates from launch, reported by TechAdvisor; this is the original commitment, not a claim of continuing support–
In the boxPhone, Warp Charge 65 adapter, USB-C to USB-C cable, quick start guide, welcome letter, safety and warranty information, logo sticker, case, screen protector and SIM ejectorPhone, 120 W adapter, USB-C cable, SIM tool, protective case, quick start guide and warranty card
Connectivity
Mobile networkSnapdragon X60; 4×4 MIMO, up to LTE Cat 20 download and Cat 18 upload, 2 Gbit/s and 200 Mbit/s subject to carrier; UK 5G NSA n1/n3/n5/n7/n8/n20/n28/n38/n40/n41/n66/n78 and SA n1/n3/n7/n28/n41/n78Snapdragon X60 5G modem; NSA/SA n1/3/5/7/8/20/28/38/40/41/66/77/78; LTE FDD B1/2/3/4/5/7/8/12/13/17/18/19/20/26/28/32/66 and TDD B38/40/41/42; WCDMA B1/2/4/5/6/8/19; GSM 850/900/1800/1900 MHz
SIMDual nano-SIMDual SIM; availability varies by region
Wi-FiWi-Fi 6, 802.11 a/b/g/n/ac/ax; 2×2 MIMO on 2.4 and 5 GHzWi-Fi 6
BluetoothBluetooth 5.2; aptX, aptX HD, LDAC and AACBluetooth 5.2 (Tech Advisor; absent from the current maker UK sheet)
NFCYesSupported
USBUSB-C, USB 3.1 Gen 1; standard USB-C earphones supported; included cable supports USB 2.0USB-C
PositioningDual-band GPS L1/L5 and Galileo E1/E5a; GLONASS, BeiDou and A-GPSGPS L1/L5, Galileo E1/E5a, GLONASS G1 and BeiDou; A-GPS and assisted network positioning

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