Xiaomi Xiaomi 15 vs Xiaomi Xiaomi 18 Pro Max

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Xiaomi 15 compared with Xiaomi 18 Pro Max

	XiaomiXiaomi 15	XiaomiXiaomi 18 Pro Max
Overview
Released
Released	October 2024	September 2026
Display
Screen size
Screen size	6.36″	6.9″
Resolution
Resolution	2670 × 1200 (better)	2624 × 1208
Sharpness
Sharpness	460 pixels per inch (better)	419 pixels per inch
Panel
Panel	OLED	OLED
Refresh rate
Refresh rate	120 Hz	120 Hz
Peak brightness
Peak brightness	3,200 nits	4,000 nits (better)
Display type
Display type	CrystalRes AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3	AMOLED; rear 2.9-inch AMOLED display, 976 × 596, up to 120 Hz
Pixel density
Pixel density	460 ppi	–
Brightness detail
Brightness detail	3,200 nits peak covering 25% of the screen	Multi-scenario peak 4,000 nits on both screens; minimum 1 nit
Always-on display
Always-on display	Always-active Display with adaptive brightness and refresh as low as 1 Hz; weather display supported	Full-screen always-on display
Screen protection
Screen protection	Xiaomi Shield Glass	Xiaomi Dragon Crystal Glass 3.0
Display features
Display features	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	Hardware privacy display; BT.2020 colour gamut; full-brightness single-pulse DC dimming; main touch sampling up to 300 Hz and rear up to 120 Hz; HDR10+, HDR Vivid and Dolby Vision; wet-hand touch
Performance
Chip
Chip	Qualcomm Snapdragon 8 Elite	Snapdragon 8 Elite Extreme Gen 6
Memory
Memory	12 GB	12 GB – 16 GB (better)
Storage
Storage	256 GB, 512 GB	256 GB, 512 GB, 1 TB (better)
CPU
CPU	3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHz	Fourth-generation Qualcomm Oryon CPU up to 5 GHz; TSMC 2 nm process; English Snapdragon 8 Elite Extreme Gen 6 name corroborated by TechRadar for this exact model
GPU
GPU	Qualcomm Adreno GPU; maker gives no numeric suffix	Adreno GPU; model number not published
AI engine
AI engine	Qualcomm AI engine	Qualcomm AI Engine
Storage type
Storage type	LPDDR5X RAM at 8,533 Mbps and UFS 4.0 storage; UK 12 GB/256 GB or 12 GB/512 GB	LPDDR5X RAM; UFS 4.1 storage; China factory configuration pairs corroborated by Sina
Cooling
Cooling	Xiaomi Wing-type IceLoop system	–
Cameras
Main camera
Main camera	50 MP	200 MP (better)
Ultra wide camera
Ultra wide camera	50 MP	50 MP
Telephoto camera
Telephoto camera	50 MP	200 MP
Optical zoom
Optical zoom	2.6×	3.2× (better)
Front camera
Front camera	32 MP	50 MP (better)
Main camera
Main camera	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	200 MP Light Hunter 960L, 1/1.28-inch sensor, ƒ/1.67, 23 mm equivalent, OIS and QPD autofocus; 16-in-1 2.44 µm pixels; 1G+6P lens
Ultra wide camera
Ultra wide camera	Leica 50 MP, f/2.2, 14 mm equivalent focal length, 115° field of view and six-element lens	50 MP, ƒ/2.4, 17 mm equivalent, 102° field of view, autofocus; 5 cm macro
Telephoto camera
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	200 MP, 1/1.56-inch sensor, ƒ/2.4, OIS; 12 cm telephoto macro
Front camera
Front camera	32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view	50 MP
Zoom
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 recording
Video recording	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	8K 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 video
Front video	4K or Full HD at 30/60 fps, HD at 30 fps; HDR10+ video, teleprompter and time-lapse selfie	4K and 1080p at 30 or 60 fps; 720p at 30 fps
Camera features
Camera features	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	Leica 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
Battery
Battery	5,240 mAh	8,500 mAh (better)
Wired charging
Wired charging	Up to 90 W	Up to 100 W (better)
Wireless charging
Wireless charging	Up to 50 W	Up to 50 W
Battery life detail
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	8,500 mAh typical; 8,350 mAh minimum; built-in non-removable battery
Wired charging
Wired charging	90 W HyperCharge; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and MI FC 2.0; separate Xiaomi 90 W adaptor recommended	QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and 100 W PPS supported
Wireless charging
Wireless charging	50 W wireless HyperCharge with compatible Xiaomi wireless charging set sold separately	50 W Xiaomi wireless charging
Charges other devices
Charges other devices	–	27 W wired reverse charging; wireless reverse charging supported
Design
Type
Type	Standard	Standard
Weight
Weight	191 g (better)	235 g
Thickness
Thickness	8.08 mm (better)	8.39 mm
Height × width
Height × width	152.3 × 71.2 mm	163.39 × 77.6 mm
Water and dust resistance
Water and dust resistance	IP68	–
Materials
Materials	6M42 high-strength aluminium frame and glass back; Liquid Silver uses heat-moulded glass with wave texture and a plated aluminium frame	Fibreglass Black, White and pink versions are 235 g and 8.39 mm thick; glass blue and transparent versions are 240 g and 8.47 mm thick
Colours
Colours	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	Black, White, pink, blue and transparent editions; China-market names
Water resistance detail
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	–
Biometrics
Biometrics	Ultrasonic in-display fingerprint reader and AI Face Unlock	3D ultrasonic fingerprint sensor
Sensors
Sensors	Proximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser-focus sensor, barometer and flicker sensor; X-axis linear vibration motor	Proximity, under-screen and rear ambient light/colour temperature, accelerometer, gyroscope, compass, X-axis linear motor, IR blaster, flicker, laser autofocus, barometer and Hall sensors
Speakers
Speakers	Stereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio	Stereo three-speaker system; Dolby Atmos, spatial audio and Hi-Res wired/wireless audio; USB-C digital headphones
Microphones
Microphones	Four-microphone array with surround sound recording	–
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Xiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and Expert Reviews	Xiaomi HyperOS 4; China variant
Software updates
Software updates	Four Android version upgrades and six years of security updates reported at launch by Tech Advisor and Expert Reviews	–
AI features
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 box
In the box	Phone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor	Phone, power adapter, USB-C cable, case, pre-applied screen protector, SIM tool and documentation; contents can vary with sales bundle
Connectivity
Mobile network
Mobile network	5G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1S tuner and antenna array	5G n1/2/3/5/7/8/12/13/14/18/20/25/26/28/29/38/40/41/48/66/70/71/77/78/79/80/81/83/84/89; LTE FDD B1/2/3/4/5/7/8/12/13/14/17/18/19/20/25/26/28/29/66/71 and TDD B34/38/39/40/41/42/43/48; 4×4 MIMO; China carrier and software restrictions apply
SIM
SIM	Dual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier	Dual nano-SIM; dual-active operation depends on SA bands and carrier support
Wi-Fi
Wi-Fi	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	Wi-Fi 7, enhanced Wi-Fi 6, Wi-Fi 5, Wi-Fi 4 and 802.11a/b/g; 2.4 GHz 2×2 MIMO and 5 GHz 4×4 MIMO; MLO, 8×8 sounding, Wi-Fi Direct and Miracast
Bluetooth
Bluetooth	Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3	Bluetooth 6.0; dual Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3 and MIHC
NFC
NFC	Supported	Chinese Wallet transport, payment, access-card and car-key services; availability varies by location and provider
USB
USB	USB-C, USB 3.2 Gen 1	USB-C, USB 3.2 Gen 1; separate USB 3 cable required because the supplied cable does not support USB 3 transfers
Positioning
Positioning	GPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning	GPS L1/L5, BeiDou B1I/B1C/B2a, Galileo E1/E5a, GLONASS G1, QZSS L1/L5, NavIC L5; A-GNSS and assisted network positioning