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Xiaomi Mi 11 vs Xiaomi Xiaomi 15

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

Better figure, where one is clearly better

XiaomiMi 11XiaomiXiaomi 15
Overview
ReleasedJanuary 2021October 2024
Display
Screen size6.81″6.36″
Resolution3200 × 14402670 × 1200
Sharpness515 pixels per inch460 pixels per inch
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness1,500 nits3,200 nits
Display typeQuad-curved AMOLED with Gorilla Glass Victus.CrystalRes AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3
Pixel density–460 ppi
Brightness detail–3,200 nits peak covering 25% of the screen
Always-on display–Always-active Display with adaptive brightness and refresh as low as 1 Hz; weather display supported
Screen protection–Xiaomi Shield Glass
Display featuresAdaptiveSync at 30/60/90/120 Hz, 480 Hz touch sampling and 900 nits high-brightness mode; HDR10+ and 10-bit colour.DC dimming, 300 Hz touch sampling, Original Colour PRO, Pro HDR, wet touch, HDR10, HDR10+, Dolby Vision and TÜV low-blue-light, flicker-free and circadian-friendly certifications
Performance
ChipQualcomm Snapdragon 888Qualcomm Snapdragon 8 Elite
Memory8 GB12 GB
Storage128 GB, 256 GB256 GB, 512 GB
CPU5 nm Snapdragon 888 with Kryo 680 CPU; no unpublished CPU clock inferred.3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHz
GPUAdreno 660.Qualcomm Adreno GPU; maker gives no numeric suffix
AI engine–Qualcomm AI engine
Storage typeLPDDR5 RAM and UFS 3.1 storage; no microSD expansion (Tech Advisor).LPDDR5X RAM at 8,533 Mbps and UFS 4.0 storage; UK 12 GB/256 GB or 12 GB/512 GB
Cooling–Xiaomi Wing-type IceLoop system
Cameras
Main camera108 MP50 MP
Ultra wide camera13 MP50 MP
Telephoto cameraNone50 MP
Optical zoomNone2.6×
Front camera20 MP32 MP
Main cameraf/1.85, 1/1.33-inch sensor, optical stabilisation and four-pixel binning to 1.6 µm.Leica Summilux, Light Fusion 900, 50 MP, f/1.62, OIS, 23 mm equivalent focal length, 1/1.31-inch sensor, seven-element lens and 4-in-1 binning to 2.4 µm pixels
Ultra wide cameraf/2.4 and 123° field of view.Leica 50 MP, f/2.2, 14 mm equivalent focal length, 115° field of view and six-element lens
Telephoto camera–Leica floating 50 MP, f/2.0, OIS, 60 mm equivalent focal length and six-element lens; focusing from 10 cm to infinity
Front camera–32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
Zoom–2.6× optical telephoto identified by Tech Advisor and Expert Reviews; maker lists 23 mm main and 60 mm telephoto and up to 60× digital zoom
Video recordingRear 8K at 24/30 fps, 4K at 30/60 fps and 1080p at 30/60 fps.8K at 24/30 fps; 4K at 24/30/60 fps; Full HD at 30/60 fps; HD at 30 fps; Dolby Vision HDR and 10-bit log; slow motion HD at 120/240/480/960/1,920 fps or Full HD at 120/240/960 fps
Front videof/2.2 selfie camera; 1080p at 30 fps. Maker recording mode controls Tech Advisor's front HD60 claim.4K or Full HD at 30/60 fps, HD at 30 fps; HDR10+ video, teleprompter and time-lapse selfie
Camera featuresAdditional 5 MP f/2.4 autofocus telemacro camera, focusing at 3–10 cm; a close-up camera rather than optical distance zoom. Night and movie-effect modes.Leica Authentic and Vibrant styles, Leica filters, ProFocus motion and eye tracking, Lightning Burst, Dynamic Shots, master portraits, night and 50 MP modes on all rear cameras, macro, Fastshot, Supermoon, RAW/DNG/HEIF/JPEG, Movie mode, ShootSteady, Dual Video and Ultra Night Video
Battery and charging
Battery4,600 mAh5,240 mAh
Wired chargingUp to 55 WUp to 90 W
Wireless chargingUp to 50 WUp to 50 W
Battery life detail–5,240 mAh typical UK Xiaomi Surge Battery; maker laboratory claim of up to 25 hours video playback and approximately 80% capacity after 1,600 cycles; Surge P3 charging and G1 battery-management chips
Wired charging55 W GaN charger included in the UK; maker laboratory claim of 45 minutes to full charge, with actual results varying.90 W HyperCharge; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and MI FC 2.0; separate Xiaomi 90 W adaptor recommended
Wireless charging50 W wireless and 10 W reverse wireless charging. Maker rates control Tech Advisor's swapped closing specification table.50 W wireless HyperCharge with compatible Xiaomi wireless charging set sold separately
Design
TypeStandardStandard
Weight196 g191 g
Thickness8.06 mm8.08 mm
Height × width164.3 × 74.6 mm152.3 × 71.2 mm
Water and dust resistance–IP68
MaterialsCurved glass back and Gorilla Glass Victus over the display.6M42 high-strength aluminium frame and glass back; Liquid Silver uses heat-moulded glass with wave texture and a plated aluminium frame
ColoursHorizon Blue and Midnight Gray; maker pages also depict White and a textured-glass Lei Jun limited edition, without establishing UK availability of those editions.Black, White, Green and Liquid Silver; main dimensions and weight are for Black/White/Green, while Liquid Silver is 8.48 mm thick and weighs 192 g
Water resistance detail–IP68; maker test in static freshwater at 1.5 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wear
BiometricsIn-display fingerprint sensor and AI face unlock; heart-rate monitoring was subject to an OTA update.Ultrasonic in-display fingerprint reader and AI Face Unlock
Sensors–Proximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser-focus sensor, barometer and flicker sensor; X-axis linear vibration motor
SpeakersDual speakers tuned with Harman Kardon.Stereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
Microphones–Four-microphone array with surround sound recording
Software
Operating systemAndroidAndroid
Software at launchMIUI 12 based on Android 11.Xiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and Expert Reviews
Software updates–Four Android version upgrades and six years of security updates reported at launch by Tech Advisor and Expert Reviews
AI features–Regional HyperAI writing, speech recognition, interpreter, search, dynamic wallpapers, creativity and image-editing tools, Google Gemini and Circle to Search; applicable features require internet access and updates
In the boxUK charger, USB-C cable, USB-C to 3.5 mm adapter, case, SIM tool and documents. Maker first-sale programme and contemporary Gizmochina coverage establish 1 January 2021 in China; the UK configurations above became available later.Phone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor
Connectivity
Mobile network–5G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1S tuner and antenna array
SIMDual SIM, with regional 5G band availability.Dual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier
Wi-FiWi-Fi 6, as confirmed by both UK maker pages; Tech Advisor instead lists Wi-Fi 6E.Wi-Fi 7/6E/6 capability depends on region and network; 2×2 MIMO, 8×8 sounding for MU-MIMO, Wi-Fi Direct and Miracast
BluetoothBluetooth 5.2.Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3
NFCGoogle Pay support is market-dependent, as stated by the UK maker sheet.Supported
USBUSB-C; no 3.5 mm socket (TechRadar).USB-C, USB 3.2 Gen 1
Positioning–GPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning

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