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Xiaomi Xiaomi 14 Ultra vs Xiaomi Xiaomi 18 Pro Max

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

Better figure, where one is clearly better

XiaomiXiaomi 14 UltraXiaomiXiaomi 18 Pro Max
Overview
ReleasedFebruary 2024September 2026
Display
Screen size6.73″6.9″
Resolution3200 × 14402624 × 1208
Sharpness521 pixels per inch419 pixels per inch
PanelLTPO OLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness3,000 nits4,000 nits
Display typeAll Around Liquid Display; WQHD+ AMOLED, Xiaomi-custom C8 panel and LTPO AdaptiveSync ProAMOLED; rear 2.9-inch AMOLED display, 976 × 596, up to 120 Hz
Pixel density522 ppi–
Brightness detail1,000 nits HBM typical; 3,000 nits peakMulti-scenario peak 4,000 nits on both screens; minimum 1 nit
Always-on display–Full-screen always-on display
Screen protectionXiaomi Shield GlassXiaomi Dragon Crystal Glass 3.0
Display features1–120 Hz dynamic refresh; touch sampling up to 240 Hz; Dolby Vision, HDR10+, UltraHDR, DCI-P3, TrueColor, DC dimming and 1,920 Hz PWM dimmingHardware 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
ChipSnapdragon 8 Gen 3Snapdragon 8 Elite Extreme Gen 6
Memory16 GB12 GB – 16 GB
Storage512 GB256 GB, 512 GB, 1 TB
CPUEight cores; 1× X4-based up to 3.3 GHz, 3× A720-based up to 3.2 GHz, 2× A720-based up to 3.0 GHz and 2× A520-based up to 2.3 GHzFourth-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
GPUQualcomm Adreno GPUAdreno GPU; model number not published
AI engine–Qualcomm AI Engine
Storage typeLPDDR5X 8,533 Mbps RAM and UFS 4.0 storage; UK configuration 16 GB + 512 GBLPDDR5X RAM; UFS 4.1 storage; China factory configuration pairs corroborated by Sina
CoolingXiaomi Dual-Channel IceLoop system–
Cameras
Main camera50 MP200 MP
Ultra wide camera50 MP50 MP
Telephoto camera50 MP200 MP
Optical zoom5×3.2×
Front camera32 MP50 MP
Main cameraLeica LYT-900, 50 MP, one-inch sensor, 3.2 µm four-in-one pixels, 23 mm equivalent, f/1.63–f/4.0 stepless variable aperture, 8P lens, ALD coating, autofocus and OIS200 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 cameraLeica IMX858, 50 MP, 12 mm equivalent, f/1.8, 122° field of view, 7P lens and autofocus; 5 cm macro focus50 MP, ƒ/2.4, 17 mm equivalent, 102° field of view, autofocus; 5 cm macro
Telephoto cameraLeica IMX858 floating telephoto, 50 MP, 75 mm equivalent, f/1.8, 6P lens, autofocus and OIS; 10 cm macro focus200 MP, 1/1.56-inch sensor, ƒ/2.4, OIS; 12 cm telephoto macro
Second telephoto cameraLeica IMX858 periscope, 50 MP, 120 mm equivalent, f/2.5, autofocus and OIS; 30 cm macro focus–
Front camera32 MP, f/2.0, 1/3.14-inch sensor and 90° field of view50 MP
Zoom3.2× and 5× optical telephoto cameras (TechAdvisor); maker specifies 75 mm and 120 mm equivalent focal lengths and digital zoom up to 120×–
Video recording8K at 30 fps; 4K at 24, 30, 60 or 120 fps; Dolby Vision up to 4K 60 fps; HDR up to 4K 30 fps; LOG recording and Director mode8K 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 video4K or 1080p at 30 or 60 fps; Dolby Vision up to 4K 30 fps; electronic stabilisation4K and 1080p at 30 or 60 fps; 720p at 30 fps
Camera featuresLeica Authentic and Vibrant styles; Master-lens portrait system; Xiaomi ProFocus; Lightning Burst; DNG, HEIF and JPEG; UltraRAW up to 16-bit data collectionLeica 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
Battery5,000 mAh8,500 mAh
Wired chargingUp to 90 WUp to 100 W
Wireless chargingUp to 80 WUp to 50 W
Battery life detail5,000 mAh typical UK battery; Xiaomi Surge charging and battery management chipsets8,500 mAh typical; 8,350 mAh minimum; built-in non-removable battery
Wired charging90 W HyperCharge; maker claims 33 minutes to full in Boost mode under laboratory conditionsQC3+, QC3.0, QC2.0, PD3.0, PD2.0 and 100 W PPS supported
Wireless charging80 W wireless HyperCharge; maker claims 46 minutes to full in Boost mode under laboratory conditions; wireless charger sold separately50 W Xiaomi wireless charging
Charges other devicesReverse wireless charging; maker UK table does not publish wattage27 W wired reverse charging; wireless reverse charging supported
Design
TypeStandardStandard
Weight219.8 g235 g
Thickness9.2 mm8.39 mm
Height × width161.4 × 75.3 mm163.39 × 77.6 mm
Water and dust resistanceIP68–
Materials6M42 aluminium frame, Xiaomi Shield Glass and vegan leather rearFibreglass 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
ColoursBlack and White (UK)Black, White, pink, blue and transparent editions; China-market names
Water resistance detailIP68; maker tests static fresh water up to 1.5 m for 30 minutes with water/device temperature difference at most 5 K–
BiometricsIn-screen fingerprint sensor and AI face unlock3D ultrasonic fingerprint sensor
SensorsProximity, ambient light, accelerometer, gyroscope, compass, infrared blaster, barometer, flicker sensor, X-axis linear vibration motor and laser autofocusProximity, 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 speakers; Dolby Atmos; Hi-Res and Hi-Res Audio Wireless certificationStereo three-speaker system; Dolby Atmos, spatial audio and Hi-Res wired/wireless audio; USB-C digital headphones
MicrophonesFour-microphone array–
Software
Operating systemAndroidAndroid
Software at launchXiaomi HyperOS based on Android 14 (TechAdvisor; UK maker table names HyperOS without an Android version)Xiaomi HyperOS 4; China variant
In the boxPhone, power adapter, USB-C cable, SIM ejector, protective case, quick start guide, warranty card and safety information; maker notes regional differencesPhone, power adapter, USB-C cable, case, pre-applied screen protector, SIM tool and documentation; contents can vary with sales bundle
Connectivity
Mobile network5G and 4G; 4×4 MIMO5G 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
SIMDual nano-SIM; availability depends on regionDual nano-SIM; dual-active operation depends on SA bands and carrier support
Wi-FiWi-Fi 7 capable; FastConnect 7800, 2×2 MIMO and Multi-Link Operation. Standards and bands depend on regional availability and network support, with features potentially enabled by OTA.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
BluetoothBluetooth 5.4, dual Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC and LHDC 5.0Bluetooth 6.0; dual Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3 and MIHC
NFCYesChinese Wallet transport, payment, access-card and car-key services; availability varies by location and provider
USBUSB-C, USB 3.2 Gen 2USB-C, USB 3.2 Gen 1; separate USB 3 cable required because the supplied cable does not support USB 3 transfers
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS, BeiDou and NavIC L5; assisted GPSGPS 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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