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Xiaomi Xiaomi 13 vs Xiaomi Xiaomi 15 Ultra

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

Better figure, where one is clearly better

XiaomiXiaomi 13XiaomiXiaomi 15 Ultra
Overview
ReleasedDecember 2022February 2025
Display
Screen size6.36″6.73″
Resolution2400 × 10803200 × 1440
Sharpness414 pixels per inch521 pixels per inch
PanelOLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness1,900 nits3,200 nits
Display typeFlat AMOLED; 20:9 aspect ratioWQHD+ LTPO AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3; All Around Liquid Display glass curves around the edges
Pixel density–522 ppi
Brightness detail1,200 nits in high-brightness mode and 1,900 nits peak3,200 nits multi-scenario peak brightness
Always-on displaySupported, according to the UK maker FAQAlways-active Display with 2–80 nits adaptive brightness and refresh as low as 1 Hz
Screen protectionCorning Gorilla Glass 5, confirmed by the maker FAQ; TechRadar's design section calls it Victus, while its display section correctly says Glass 5Xiaomi Shield Glass 2.0; camera surround protected by Corning Gorilla Glass 7i
Display featuresAdaptiveSync up to 120 Hz, with 60/90/120 Hz modes in the FAQ; up to 240 Hz touch sampling; Display P3, Dolby Vision, HDR10+ and Pro HDR; maker-stated JNCD approximately 0.32 and Delta E approximately 0.36; 360° ambient-light sensingDC 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
ChipSnapdragon 8 Gen 2Qualcomm Snapdragon 8 Elite
Memory8 GB – 12 GB16 GB
Storage256 GB512 GB, 1 TB
CPUQualcomm Snapdragon 8 Gen 2, 4 nm; eight cores up to 3.19 GHz using Cortex-X3/A715/A710/A510; Hexagon processorSecond-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; the UK maker pages do not give a model numberQualcomm Adreno GPU; maker gives no numeric suffix
AI engine–Qualcomm AI engine; maker states 80 TOPS computing power
Storage type8/12 GB LPDDR5X at 8,533 Mbit/s and 256 GB UFS 4.0; no microSD expansion. Current UK specifications list both RAM options; launch reviews described 8 GB only, and TechAdvisor's 128 GB UK claim conflicts with the maker's 256 GB specification.LPDDR5X RAM at 8,533 Mbps and UFS 4.1 storage; UK 16 GB/512 GB or 16 GB/1 TB
CoolingLiquidCool vapour chamber with multiple graphite layersXiaomi 3D Dual-Channel IceLoop system with 5,100 mm² overall loop heat-pipe area
Cameras
Main camera50 MP50 MP
Ultra wide camera12 MP50 MP
Telephoto camera10 MP200 MP
Optical zoom3.2×4.3×
Front camera32 MP32 MP
Main cameraSony IMX800, confirmed by co-developer Leica; 50 MP, f/1.8, 23 mm equivalent, 1.0 µm pixels or 2.0 µm four-in-one pixels, seven-element lens and HyperOISLeica 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 camera12 MP sensor, 1/3.06-inch, f/2.2, 15 mm equivalent and 1.12 µm pixels; 120° field of view stated on the maker overviewLeica 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 camera10 MP sensor, 1/3.75-inch, f/2.0, 75 mm equivalent, 1.0 µm pixels and OIS; 3.2× optical zoom reported by TechRadar and TechAdvisorLeica 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, 0.7 µm pixels or 1.4 µm four-in-one pixels, five-element lens, 89.6° field of view and fixed focusOmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
Zoom3.2× optical telephoto (TechRadar and TechAdvisor); digital zoom up to 30× for photos and 15× for video in the maker FAQ3× 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 fps; 4K at 24/30/60 fps, including Dolby Vision up to 4K 60 fps; 1080p at 30/60 fps and 720p at 30 fps; Ultra Night Video up to 4K 24 fps; slow motion at up to 1,920 fps, with resolution not specified by the main spec sheet8K 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 video1080p or 720p at 30 fps; Dolby Vision up to 1080p 30 fps; teleprompter and vlog modes4K 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, filters, shutter sound and watermark; 35/50/75/90 mm Master-lens effects; Xiaomi Imaging Engine, ProFocus motion/eye tracking, Lightning Burst, night mode, HDR, Supermoon, documents, clone, long exposure, panorama, Pro and cinematic video effects13-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
Battery4,500 mAh5,410 mAh
Wired chargingUp to 67 WUp to 90 W
Wireless chargingUp to 50 WUp to 80 W
Battery life detail4,500 mAh typical non-removable battery; Xiaomi Surge charging and 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 charging67 W charger included; maker laboratory claim of 38 minutes to full charge; QC4/QC3+/QC3/QC2, PD3/PD2 and MI FC 2.0 protocols listed in the UK FAQ90 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 turbo wireless charging; specification and FAQ give 48 minutes to full charge, while the overview gives 53 minutes80 W wireless HyperCharge; compatible wireless charger sold separately
Charges other devices10 W reverse wireless charging–
Design
TypeStandardStandard
Weight189 g226 g
Thickness7.98 mm9.35 mm
Height × width152.8 × 71.5 mm161.3 × 75.3 mm
Water and dust resistanceIP68IP68
MaterialsGlass back and aluminium-alloy frame and buttons, confirmed by the UK FAQ; 189 g in the UK specification takes precedence over conflicting review weights6M42 high-strength aluminium frame; maker confirms Silver Chrome glass fibre and PU leather; Tech Advisor identifies glass-fibre backs on Black/White
ColoursWhite, Black and Flora Green listed on the UK specification; UK launch reviews reported retail availability only in BlackBlack, 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 laboratory testing in static fresh water to 1.5 m for 30 minutes; protection can deteriorate and liquid damage is excluded from the stated warrantyIP68; 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
BiometricsIn-screen fingerprint sensor and camera-based face unlockUltrasonic in-display fingerprint reader and AI Face Unlock
SensorsProximity, ambient light, accelerometer, gyroscope, electronic compass, X-axis linear motor, infrared blaster and flicker sensorProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser autofocus, barometer and flicker sensor; X-axis linear vibration motor
SpeakersDual speakers with Dolby AtmosStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
Microphones–Four-microphone array with directional/omnidirectional recording and Audio Zoom
Software
Operating systemAndroidAndroid
Software at launchMIUI 14 based on Android 13Xiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and TechRadar
Software updatesLaunch reviews disagree on security duration; TechRadar says three Android generations and five security years, while TechAdvisor describes Xiaomi's usual three/four-year policyFour Android version upgrades and six years of security updates reported at launch by Tech Advisor and TechRadar
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 boxPhone, 67 W adapter, USB-C cable, SIM ejector, protective case, quick start guide and warranty cardPhone, 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 and LTE with 4×4 MIMO; UK bands include LTE 20/28 and 5G n20/n28/n785G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1/T1S tuners and antenna array
SIMTwo nano-SIMs, or one nano-SIM and eSIM; eSIM support depends on country and carrierDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier
Wi-FiWi-Fi 7 capability, Wi-Fi 6E and Wi-Fi 6 with FastConnect 7800; features and bands depend on region, network and OTA support; 2×2 MIMO, 8×8 sounding and Wi-Fi DirectWi-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 5.3; AAC, LDAC and LHDCBluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3
NFCSupports Google Pay, subject to market availabilitySupported
USBUSB-C with OTG; no 3.5 mm headphone socketUSB-C, USB 3.2 Gen 2
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou and NavIC L5; A-GPS and network positioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning

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