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Xiaomi Xiaomi 13 Ultra vs Xiaomi Xiaomi 15 Ultra

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

Better figure, where one is clearly better

XiaomiXiaomi 13 UltraXiaomiXiaomi 15 Ultra
Overview
ReleasedApril 2023February 2025
Display
Screen size6.73″6.73″
Resolution3200 × 14403200 × 1440
Sharpness521 pixels per inch521 pixels per inch
PanelLTPO OLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness2,600 nits3,200 nits
Display type3D-curved WQHD+ 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 detailGlobal specification gives 2,600 nits peak; maker FAQ adds 500 nits typical and 1,300 nits HBM3,200 nits multi-scenario peak brightness
Always-on displaySupported, according to the maker FAQAlways-active Display with 2–80 nits adaptive brightness and refresh as low as 1 Hz
Screen protectionCorning Gorilla Glass VictusXiaomi Shield Glass 2.0; camera surround protected by Corning Gorilla Glass 7i
Display featuresDynamic 1–120 Hz refresh, up to 240 Hz touch sampling, 68 billion colours, DCI-P3, Dolby Vision, HDR10+, HDR10 and Pro HDR; 1,920 Hz PWM dimming, TrueColor, sunlight/reading modes and 360° ambient-light sensors; in-display heart-rate monitoring for personal reference, not medical useDC 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
Memory12 GB16 GB
Storage512 GB512 GB, 1 TB
CPUQualcomm Snapdragon 8 Gen 2, 4 nm; one Cortex-X3-based core up to 3.19 GHz, two Cortex-A715-based and two Cortex-A710-based cores up to 2.8 GHz, and three Cortex-A510-based cores up to 2.0 GHz. The maker FAQ's introductory Dimensity 1080 claim conflicts with its own processor section and global specification.Second-generation TSMC 3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHz
GPUAdreno 740 identified by Android Central; maker pages say Adreno without a model numberQualcomm Adreno GPU; maker gives no numeric suffix
AI engine–Qualcomm AI engine; maker states 80 TOPS computing power
Storage typeGlobal configuration is 12 GB LPDDR5X at 8,533 Mbit/s and 512 GB UFS 4.0; no microSD expansion. Chinese review configurations are not global retail configurations.LPDDR5X RAM at 8,533 Mbps and UFS 4.1 storage; UK 16 GB/512 GB or 16 GB/1 TB
CoolingLoop LiquidCool TechnologyXiaomi 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 zoom5×4.3×
Front camera32 MP32 MP
Main cameraSony IMX989, 1-inch sensor, 23 mm equivalent, f/1.9 or f/4.0 physical aperture, 1.6 µm pixels or 3.2 µm four-in-one pixels; eight-element aspherical Leica lens, autofocus 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 cameraSony IMX858, f/1.8, 12 mm equivalent, 122° field of view and autofocus down to 5 cm; no OIS, according to the maker FAQLeica 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 cameraTwo 50 MP Sony IMX858 cameras with OIS; 75 mm f/1.8 at 3.2× optical and 120 mm f/3.0 at 5× optical, confirmed by the maker FAQLeica 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, fixed focus; maker FAQ gives 0.7 µm pixels or 1.4 µm four-in-one pixelsOmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
ZoomMaker FAQ gives optical 0.5×/1×/3.2×/5×, photos up to 120× and video up to 15×3× 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 recordingAll rear focal lengths support 8K 24 fps; Dolby Vision up to 4K 60 fps; 4K 24/30/60 fps, 1080p 30/60 fps and 720p 30 fps; 10-bit LOG with LUT import; Ultra Night Video up to 4K 24 fps; slow motion up to 1,920 fps on main and 960 fps on other rear cameras in the maker FAQ8K 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 videoGlobal specification lists Dolby Vision up to 1080p 30 fps, plus 1080p/720p 30 fps; maker FAQ additionally lists 1080p 60 fps; EIS, slow-motion and time-lapse selfie 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/Vibrant and customised styles, filters and watermark; 35/50/75/90 mm Master-lens effects, Fastshot, Director mode, 14-bit Ultra RAW, Ultra Night Photography and ProFocus; PDAF/CDAF/laser focus on all rear cameras in the maker FAQ13-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
Battery5,000 mAh5,410 mAh
Wired chargingUp to 90 WUp to 90 W
Wireless chargingUp to 50 WUp to 80 W
Battery life detail5,000 mAh typical; Xiaomi Surge battery-management system; non-removable, according to maker FAQ5,410 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 turbo charging with included 90 W adapter; QC2/QC3/QC3+/QC4 and PD2/PD3 protocols in the maker 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 requires a compatible Xiaomi stand; global specification gives up to 50 W with the Mi 80 W stand but only 30 W with the Xiaomi 50 W stand80 W wireless HyperCharge; compatible wireless charger sold separately
Charges other devicesReverse wireless charging confirmed by maker; wattage unpublished on the global specification and FAQ–
Design
TypeStandardStandard
Weight227 g226 g
Thickness9.06 mm9.35 mm
Height × width163.18 × 74.64 mm161.3 × 75.3 mm
Water and dust resistanceIP68IP68
MaterialsSecond-generation nano-tech rear material and 6-series aircraft aluminium frame/buttons, according to maker FAQ; vegan-leather finish described by reviews6M42 high-strength aluminium frame; maker confirms Silver Chrome glass fibre and PU leather; Tech Advisor identifies glass-fibre backs on Black/White
ColoursBlack and Olive Green in the global specification; Chinese White review units are regional variantsBlack, 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, barometer, flicker sensor and laser autofocusProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser autofocus, barometer and flicker sensor; X-axis linear vibration motor
SpeakersDual speakers with Dolby Atmos; Hi-Res Audio and Hi-Res Audio Wireless certificationsStereo 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 13; global maker FAQ confirms Google services, unlike the Chinese units initially reviewedXiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and TechRadar
Software updatesThree Android OS updates and four years of security updates reported by Android Central; TechAdvisor's earlier review described this policy as unconfirmedFour 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, 90 W adapter, USB-C cable, SIM ejector, protective case, quick start guide and warranty card; maker FAQ also lists safety information and protective filmPhone, 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; global 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; no eSIM configuration listedDual 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 depend on region, network and OTA support; High Band Simultaneous, Multi-Link Operation, 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 with AAC, LDAC and LHDC 5.0; maker FAQ additionally lists LC3 and LHDC 2.0/3.0/4.0Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3
NFCSupportedSupported
USBUSB-C 3.2 Gen 1 with OTG and DisplayPort 1.2 video output, according to maker FAQ; no 3.5 mm socketUSB-C, USB 3.2 Gen 2
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou and NavIC L5; maker FAQ adds BeiDou B1I/B1C/B2a and QZSS L1/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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