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OnePlus OnePlus 15T vs Xiaomi Xiaomi 18 Pro

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

Better figure, where one is clearly better

OnePlusOnePlus 15TXiaomiXiaomi 18 Pro
Overview
ReleasedMarch 2026September 2026
Display
Screen size6.32″6.4″
Resolution2640 × 12162436 × 1120
Sharpness460 pixels per inch419 pixels per inch
PanelOLEDOLED
Refresh rate165 Hz120 Hz
Peak brightness–4,000 nits
Display typeFlat OLED, 10-bit colour, 100% DCI-P3 in supported modes; 60/90/120/144/165 Hz adaptive switching. Exact maker table does not claim LTPO or 1 HzAMOLED; rear 2.7-inch AMOLED screen, 912 × 596, up to 120 Hz
Pixel density460 ppi–
Brightness detailMaker: 800 nits typical maximum normal brightness and 1,800 nits typical maximum triggered full-screen brightness; minimum 1 nitMulti-scenario peak 4,000 nits on both screens; minimum 1 nit
Always-on displaySupportedFull-screen always-on display
Screen protectionOPPO Crystal Shield glass (Chinese maker name translated)Xiaomi Dragon Crystal Glass 3.0
Display featuresHigh-frequency PWM at ≤70 nits, DC-like dimming above 70 nits; eye-comfort, sunlight, white-point, motion-sickness and game-colour modes. Wet-finger and glove touch support do not establish immersion conditionsHDR10+, HDR Vivid and Dolby Vision; wet-hand touch; BT.2020 colour gamut; up to 300 Hz main-screen and 120 Hz rear-screen touch sampling; full-brightness single-pulse DC dimming; privacy display
Performance
ChipQualcomm Snapdragon 8 Elite Gen 5Snapdragon 8 Elite Gen 6
Memory12 GB – 16 GB12 GB – 16 GB
Storage256 GB, 512 GB, 1 TB256 GB, 512 GB, 1 TB
CPUEight cores: two prime and six performance; up to 4.608 GHz, 3 nmFourth-generation Qualcomm Oryon CPU up to 5 GHz; TSMC 2 nm process; TechRadar confirms the English Snapdragon 8 Elite Gen 6 name for this model
GPUAdreno 840, up to 1,200 MHzAdreno GPU; maker does not publish a model number
AI engine–Qualcomm AI Engine
Memory12 or 16 GB LPDDR5X Ultra Pro. Matcha finish offered only with 12/256 and 16/512; white and cocoa offered with all five memory combinations–
Storage type256 GB, 512 GB or 1 TB UFS 4.1, depending on configurationLPDDR5X RAM; UFS 4.1 storage; China launch configuration pairings corroborated by Sina
Cooling5,150 mm² vapour chamber (maker overview); gaming frame interpolation remains distinct from native rendering–
Cameras
Main camera50 MP200 MP
Ultra wide cameraNone50 MP
Telephoto camera50 MP200 MP
Optical zoom3.5×3.2×
Front camera16 MP50 MP
Main camera50 MP Sony main camera, optical format 1/1.56 inch, f/1.8, six-element lens, 24 mm equivalent; autofocus and two-axis OIS200 MP Light Hunter 960, 1/1.28-inch sensor, ƒ/1.67, 23 mm equivalent, OIS, QPD autofocus; 16-in-1 2.44 µm pixels; 1G+6P lens
Ultra wide camera–50 MP, ƒ/2.4, 17 mm equivalent, 102° field of view, autofocus; 5 cm macro
Telephoto camera50 MP periscope, f/2.8, four-element lens, 85 mm equivalent; autofocus, two-axis OIS and 3.5× optical zoom200 MP, 1/1.56-inch sensor, ƒ/2.4, OIS; 12 cm telephoto macro
Front camera16 MP, f/2.4, four-element lens, 23 mm equivalent; autofocus not published in exact maker table50 MP
Zoom3.5× optical telephoto, up to 120× digital for photos; maker 7× “lossless” claim is not a second native optical magnification. No ultra-wide camera–
Video recording8K 30; 4K or 1080p 30/60/120, 720p 30. Stabilised 4K/1080p 30/60 and 720p 30. Dolby Vision 4K/1080p 30/60/120; slow motion 4K 120, 1080p 120/240, 720p 240/480; time-lapse 4K/1080p 30. Video zoom up to 3.5× optical or 18× digital8K at 30 fps; 4K at 30, 60 or 120 fps; 1080p at 30 or 60 fps; 720p at 30 fps; slow motion 720p at 120, 240, 480, 960 or 1,920 fps and 1080p at 120, 240 or 960 fps
Front video1080p or 720p at 30 fps, stabilisation at both; HDR, multi-view and 1080p 30 time-lapse supported4K and 1080p at 30 or 60 fps; 720p at 30 fps
Camera featuresLUMO imaging, LED flash, portrait, night, Master, Pro video, panorama, tilt-shift, long exposure, multi-view, scanning and AI ID photo; JPG, PNG, HEIF and RAWLeica Authentic and Vibrant looks; rear-screen selfies and preview; dynamic photos, subject and audio tracking, portrait, night, Pro, time-lapse, panorama and document modes
Battery and charging
Battery7,500 mAh7,000 mAh
Wired chargingUp to 100 WUp to 100 W
Wireless chargingUp to 50 WUp to 50 W
Battery life detailSingle cell: 7,500 mAh typical (27.90 Wh), 7,270 mAh rated (27.05 Wh)7,000 mAh typical; 6,860 mAh minimum; built-in non-removable battery
Wired chargingUp to 100 W SUPERVOOC or 100 W UFCS; compatible 80 W and lower SUPERVOOC, 44 W third-party UFCS, 55 W PPS, 18 W PD and 18 W QC. Global bypass power supported; actual speed depends on adapter and conditions100 W; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and 100 W PPS supported
Wireless chargingUp to 50 W wireless flash charging with compatible equipment; wireless charger not in standard phone package50 W Xiaomi wireless charging
Charges other devicesUp to 10 W reverse wired charging; reverse wireless supported by exact maker overview, wattage unpublished27 W wired reverse charging; wireless reverse charging also supported
Design
TypeStandardStandard
Weight194 g203 g
Thickness8.35 mm8.46 mm
Height × width150.56 × 71.82 mm151.8 × 72 mm
Water and dust resistanceIP68–
MaterialsGlass front, aluminium-alloy mid-frame and glass-fibre rear. White finish uses micro-arc oxidation on frame; rear is not glassFibreglass versions are 203 g and 8.46 mm thick; glass Galaxy Blue and transparent versions are 208 g and 8.56 mm thick
Colours治愈白巧 (White Chocolate), 松弛抹茶 (Matcha), 纯粹可可 (Cocoa); English descriptions translate Chinese maker namesBlack, White, pink, Galaxy Blue and transparent editions; China-market names
ButtonsConfigurable shortcut key on left; power and volume on right–
Water resistance detailMaker IP66/IP68/IP69 under GB/T 4208-2017 and IP69K under ISO 20653:2023. IP66/IP69/IP69K tests position phone upright, USB port upwards; protection may decline with wear. Exact immersion depth/time not published in read footnote–
BiometricsIn-display ultrasonic fingerprint reader3D ultrasonic fingerprint sensor
SensorsProximity, ambient light, colour temperature, electronic compass, accelerometer, gyroscope, Hall sensor and infrared remote-control transmitter; X-axis linear motorProximity, under-screen and rear ambient light/colour temperature, accelerometer, gyroscope, compass, X-axis linear motor, IR blaster, flicker, laser autofocus, barometer and Hall sensors
SpeakersStereo dual speakers, OReality AudioStereo dual speakers; Dolby Atmos, spatial audio and Hi-Res wired/wireless audio; USB-C digital headphones
MicrophonesThree microphones–
Software
Operating systemAndroidAndroid
Software at launchColorOS 16.0 based on Android; exact maker table omits Android major version. Announced 24 March 2026, actual Chinese sale 25 MarchXiaomi HyperOS 4; China variant
Software updatesMaker promises five years of maintenance with four major version upgrades–
AI featuresChinese ColorOS AI scanning, document/photo tools and gaming assistant; iPhone, Mac and Apple Watch interoperability depends on compatible devices, apps and software. Overseas OxygenOS services not assumed–
In the boxChinese package: phone, charger, USB cable, SIM ejector, protective case and quick-start guide; no magnetic cooler or wireless charger includedPhone, power adapter, USB-C cable, case, pre-applied screen protector, SIM tool and documentation; contents can vary with sales bundle
Connectivity
Mobile networkChina hardware: GSM 850/900/1800 MHz; WCDMA B1/2/4/5/8; LTE-FDD B1/2/3/4/5/7/8/18/19/26/28/66, LTE-TDD B34/38/39/40/41/42/43/48; 5G n1/2/3/5/7/8/18/26/28/38/40/41/48/66/77/78. Carrier conditions apply; no UK regional version asserted5G n1/2/3/5/7/8/12/18/20/25/26/28/38/40/41/48/66/77/78/79/80/81/83/84/89; LTE FDD B1/2/3/4/5/7/8/12/17/18/19/20/25/26/28/66 and TDD B34/38/39/40/41/42/43/48; 4×4 MIMO; China carrier and software restrictions apply
SIMDual nano-SIM; both slots support 5G under carrier conditions. Two China Telecom cards require VoLTE on the non-data card and carrier supportDual nano-SIM; dual-active operation depends on SA bands and carrier support
Wi-FiWi-Fi 7 (802.11be), 6 (ax), 5 (ac), a/b/g/n; 2×2 MIMO, concurrent 2.4/5 GHz and 160 MHz at 5 GHz. G2 independent gaming network chipWi-Fi 7, enhanced Wi-Fi 6, Wi-Fi 5, Wi-Fi 4 and 802.11a/b/g; 2.4 and 5 GHz; 2×2 MIMO, MLO, 8×8 sounding, Wi-Fi Direct and Miracast
BluetoothBluetooth 6.0, low-energy Bluetooth and BLE Audio; maker notes adaptation if regulatory policy changesBluetooth 6.0; dual Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3 and MIHC
NFCSupported; NFC SIM limited to slot 1; Chinese transit, OnePlus Pay, access-card, car-key and eID services depend on region and serviceChinese Wallet transport, access-card and payment functions; service availability depends on location and provider
USBUSB-C, USB 2.0USB-C, USB 3.2 Gen 1; a separate USB 3 cable is required because the supplied cable does not support USB 3 transfers
PositioningBeiDou B1I/B1C/B2a, GPS L1/L5, GLONASS G1, Galileo E1/E5a, QZSS L1/L5 and NavIC L5; assisted, WLAN and cellular positioningGPS L1/L5, BeiDou B1I/B1C/B2a, Galileo E1/E5a, GLONASS G1, QZSS L1/L5, NavIC L5; A-GNSS and assisted network positioning

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