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Xiaomi Xiaomi 15 vs Xiaomi Xiaomi 15 Ultra

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

Better figure, where one is clearly better

XiaomiXiaomi 15XiaomiXiaomi 15 Ultra
Overview
ReleasedOctober 2024February 2025
Display
Screen size6.36″6.73″
Resolution2670 × 12003200 × 1440
Sharpness460 pixels per inch521 pixels per inch
PanelOLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness3,200 nits3,200 nits
Display typeCrystalRes AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3WQHD+ LTPO AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3; All Around Liquid Display glass curves around the edges
Pixel density460 ppi522 ppi
Brightness detail3,200 nits peak covering 25% of the screen3,200 nits multi-scenario peak brightness
Always-on displayAlways-active Display with adaptive brightness and refresh as low as 1 Hz; weather display supportedAlways-active Display with 2–80 nits adaptive brightness and refresh as low as 1 Hz
Screen protectionXiaomi Shield GlassXiaomi Shield Glass 2.0; camera surround protected by Corning Gorilla Glass 7i
Display featuresDC 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 certificationsDC dimming at high brightness, 1,920 Hz PWM dimming at low brightness, 300 Hz touch sampling, Original Colour PRO, Pro HDR, wet touch, HDR10+, Dolby Vision and TÜV low-blue-light, flicker-free and circadian-friendly certifications
Performance
ChipQualcomm Snapdragon 8 EliteQualcomm Snapdragon 8 Elite
Memory12 GB16 GB
Storage256 GB, 512 GB512 GB, 1 TB
CPU3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHzSecond-generation TSMC 3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHz
GPUQualcomm Adreno GPU; maker gives no numeric suffixQualcomm Adreno GPU; maker gives no numeric suffix
AI engineQualcomm AI engineQualcomm AI engine; maker states 80 TOPS computing power
Storage typeLPDDR5X RAM at 8,533 Mbps and UFS 4.0 storage; UK 12 GB/256 GB or 12 GB/512 GBLPDDR5X RAM at 8,533 Mbps and UFS 4.1 storage; UK 16 GB/512 GB or 16 GB/1 TB
CoolingXiaomi Wing-type IceLoop systemXiaomi 3D Dual-Channel IceLoop system with 5,100 mm² overall loop heat-pipe area
Cameras
Main camera50 MP50 MP
Ultra wide camera50 MP50 MP
Telephoto camera50 MP200 MP
Optical zoom2.6×4.3×
Front camera32 MP32 MP
Main cameraLeica 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 pixelsLeica Summilux, Sony LYT-900, 50 MP, f/1.63 fixed aperture, 1-inch sensor, 23 mm equivalent focal length, eight-element lens, 4-axis OIS and 4-in-1 binning to 3.2 µm pixels
Ultra wide cameraLeica 50 MP, f/2.2, 14 mm equivalent focal length, 115° field of view and six-element lensLeica 50 MP, f/2.2, 14 mm equivalent focal length, 115° field of view, six-element lens, 1.28 µm binned pixels and macro focusing from 5 cm
Telephoto cameraLeica floating 50 MP, f/2.0, OIS, 60 mm equivalent focal length and six-element lens; focusing from 10 cm to infinityLeica 200 MP periscope, f/2.6, OIS, 100 mm equivalent focal length, 1/1.4-inch sensor and 2.24 µm binned pixels; second floating telephoto is 50 MP, f/1.8, OIS, 70 mm equivalent focal length, 1.4 µm binned pixels and macro focusing from 10 cm
Front camera32 MP, f/2.0, 21 mm equivalent focal length and 90° field of viewOmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
Zoom2.6× optical telephoto identified by Tech Advisor and Expert Reviews; maker lists 23 mm main and 60 mm telephoto and up to 60× digital zoom3× floating telephoto and 4.3× periscope optical ratios identified by Tech Advisor and TechRadar; maker lists 23/70/100 mm focal lengths and up to 120× digital zoom
Video recording8K 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 fps8K at 30 fps; 4K at 30/60/120 fps; Full HD at 30/60 fps; HD at 30 fps; Dolby Vision and 4K60 10-bit log across focal lengths; 4K120 on main/periscope; slow motion HD or Full HD at 120/240/480/960/1,920 fps
Front video4K or Full HD at 30/60 fps, HD at 30 fps; HDR10+ video, teleprompter and time-lapse selfie4K or Full HD at 30/60 fps, HD at 30 fps; Dolby Vision video, teleprompter, slow motion selfie and time-lapse selfie
Camera featuresLeica 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 Video13-channel multispectral sensor, Leica Authentic and Vibrant styles, Leica filters, ProFocus motion and eye tracking, Lightning Burst, Dynamic Shots, master portraits from 23–135 mm, 50/200 MP modes, macro, Fastshot, Supermoon, RAW/DNG/HEIF/JPEG, 16-bit UltraRAW, Movie mode, ShootSteady, Dual Video and Ultra Night Video; Photography Kit Legend Edition sold separately
Battery and charging
Battery5,240 mAh5,410 mAh
Wired chargingUp to 90 WUp to 90 W
Wireless chargingUp to 50 WUp to 80 W
Battery life detail5,240 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 chips5,410 mAh typical UK Xiaomi Surge Battery; maker laboratory claim of up to 25 hours video playback; Surge P3 charging and G2 battery-management chips
Wired charging90 W HyperCharge; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and MI FC 2.0; separate Xiaomi 90 W adaptor recommended90 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 HyperCharge with compatible Xiaomi wireless charging set sold separately80 W wireless HyperCharge; compatible wireless charger sold separately
Design
TypeStandardStandard
Weight191 g226 g
Thickness8.08 mm9.35 mm
Height × width152.3 × 71.2 mm161.3 × 75.3 mm
Water and dust resistanceIP68IP68
Materials6M42 high-strength aluminium frame and glass back; Liquid Silver uses heat-moulded glass with wave texture and a plated aluminium frame6M42 high-strength aluminium frame; maker confirms Silver Chrome glass fibre and PU leather; Tech Advisor identifies glass-fibre backs on Black/White
ColoursBlack, 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 gBlack, White and Silver Chrome; main dimensions and weight are for Black/White, while Silver Chrome is 9.48 mm thick and weighs 229 g
Water resistance detailIP68; maker test in static freshwater at 1.5 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wearIP68; 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; separate photography kit system rated IP54
BiometricsUltrasonic in-display fingerprint reader and AI Face UnlockUltrasonic in-display fingerprint reader and AI Face Unlock
SensorsProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser-focus sensor, barometer and flicker sensor; X-axis linear vibration motorProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser autofocus, barometer and flicker sensor; X-axis linear vibration motor
SpeakersStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless AudioStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
MicrophonesFour-microphone array with surround sound recordingFour-microphone array with directional/omnidirectional recording and Audio Zoom
Software
Operating systemAndroidAndroid
Software at launchXiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and Expert ReviewsXiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and TechRadar
Software updatesFour Android version upgrades and six years of security updates reported at launch by Tech Advisor and Expert ReviewsFour Android version upgrades and six years of security updates reported at launch by Tech Advisor and TechRadar
AI featuresRegional 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 updatesRegional 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 boxPhone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptorPhone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor
Connectivity
Mobile network5G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1S tuner and antenna array5G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1/T1S tuners and antenna array
SIMDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrierDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier
Wi-FiWi-Fi 7/6E/6 capability depends on region and network; 2×2 MIMO, 8×8 sounding for MU-MIMO, Wi-Fi Direct and MiracastWi-Fi 7/6E/6 capability depends on region and network; dual-band simultaneous operation, 2×2 MIMO, 8×8 sounding for MU-MIMO, Wi-Fi Direct and Miracast
BluetoothBluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3
NFCSupportedSupported
USBUSB-C, USB 3.2 Gen 1USB-C, USB 3.2 Gen 2
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning

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