Xiaomi Xiaomi 12 vs Xiaomi Xiaomi 17 Ultra

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

Better figure, where one is clearly better

Xiaomi 12 compared with Xiaomi 17 Ultra
XiaomiXiaomi 12XiaomiXiaomi 17 Ultra
Overview
ReleasedDecember 2021March 2026
Display
Screen size6.28″6.9″
Resolution2400 × 10802608 × 1200 (better)
Sharpness419 pixels per inch (better)416 pixels per inch
PanelOLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness–3,500 nits
Display typeAMOLED DotDisplay; 20:9 aspect ratio6.9-inch Xiaomi HyperRGB OLED display, 2608 × 1200
Brightness detail–3,500 nits multi-scenario peak brightness
Screen protectionCorning Gorilla Glass VictusXiaomi Shield Glass 3.0
Display featuresUp to 480 Hz touch sampling; over 68 billion colours; DCI-P3 gamut; JNCD approximately 0.61, Delta E approximately 0.59; 5,000,000:1 contrast; HDR10+, Dolby Vision, 360° ambient light sensing and DisplayMate A+1–120 Hz refresh; touch sampling up to 300 Hz; DCI-P3; 12-bit colour depth; eye-care DC dimming; HDR10+ and Dolby Vision; wet touch; TÜV Rheinland Low Blue Light (hardware), Flicker Free and Circadian Friendly certified
Performance
ChipQualcomm Snapdragon 8 Gen 1Snapdragon 8 Elite Gen 5
Memory8 GB – 12 GB16 GB (better)
Storage128 GB, 256 GB512 GB, 1 TB (better)
CPU4 nm process; one Cortex-X2-based core at 3.0 GHz, three Cortex-A710-based cores at 2.5 GHz and four Cortex-A510-based cores at 1.8 GHz2 prime cores up to 4.6 GHz and 6 performance cores up to 3.62 GHz; 3 nm
GPUQualcomm Adreno; model number not published on the maker sheetAdreno GPU
AI engineSeventh-generation Qualcomm AI Engine–
Storage typeLPDDR5 RAM and UFS 3.1 storage; 12 GB/256 GB configuration is for other markets, with UK configurations using 8 GB RAMUFS 4.1; LPDDR5X RAM
CoolingLiquidCool Technology with vapour chamber, graphite sheets and boron nitride filmXiaomi 3D Dual-Channel IceLoop system
Cameras
Main camera50 MP50 MP
Ultra wide camera13 MP50 MP
Telephoto cameraNone200 MP
Optical zoomNone4.3× (better)
Front camera32 MP50 MP (better)
Main camera50 MP, 1/1.56-inch sensor, ƒ/1.88, OIS; 1 µm pixels and 4-in-1 2 µm Super Pixels50 MP Light Fusion 1050L, 1″ sensor, 3.2 µm 4-in-1 pixels, ƒ/1.67, 23 mm equivalent, OIS; Leica Summilux lens
Ultra wide camera13 MP, ƒ/2.4, 123° field of view50 MP Samsung JN5, 1/2.75″ sensor, ƒ/2.2, 14 mm equivalent, 115° field of view
Telephoto camera–200 MP Samsung HPE, 1/1.4″ sensor, 2.24 µm 16-in-1 pixels, ƒ/2.39–ƒ/2.96, 75–100 mm equivalent continuous optical zoom, OIS
Front camera32 MP, ƒ/2.4550 MP OV50M, 1/2.87″ sensor, ƒ/2.2, 21 mm equivalent, 90° field of view, autofocus
Zoom–Continuous optical zoom from 75 to 100 mm (about 3.2× to 4.3× the 23 mm main camera); digital zoom up to 120×
Video recording8K at 24 fps; 4K at 30 or 60 fps; 1080p at 30 or 60 fps; 720p at 30 fps; slow motion at 120, 240, 480, 960 or 1,920 fps8K at 30 fps; 4K Dolby Vision at 30, 60 or 120 fps; Log up to 4K 120 fps with ACES; slow motion up to 1080p 1,920 fps; ShootSteady up to 2.8K 60 fps; night video up to 4K 24 fps
Front video1080p at 30 or 60 fps; 720p at 30 fps; 720p slow motion at 120 fps4K Dolby Vision at 30 or 60 fps; 1080p Dolby Vision at 30 or 60 fps; slow motion up to 1080p 120 fps
Camera features5 MP telemacro, ƒ/2.4, autofocus from 3–7 cm; ProFocus motion/eye tracking and motion capture, night modes, photo clones, timed burst, document mode, HDR and Google Lens; AI cinema, Ultra Night Video, Vlog, dual video and video logLeica Authentic and Vibrant looks; Xiaomi ProFocus; Lightning Burst; 200 MP telephoto mode; Super Macro; Live Cinematography; four-microphone array; laser focus and flicker sensors
Battery and charging
Battery4,500 mAh6,000 mAh (better)
Wired chargingUp to 67 WUp to 90 W (better)
Wireless chargingUp to 50 WUp to 50 W
Battery life detail4,500 mAh typical; Xiaomi AdaptiveCharge–
Wired charging67 W charger included90 W HyperCharge; QC3+, PD3.0 and 90 W PPS (charger not included)
Wireless charging–50 W wireless HyperCharge (charger sold separately)
Charges other devices10 W reverse wireless charging–
Design
TypeStandardStandard
Weight180 g (better)218.4 g
Thickness8.16 mm (better)8.29 mm
Height × width152.7 × 69.9 mm162.9 × 77.6 mm
Water and dust resistance–IP68
Stylus–No
ColoursGrey, Blue and PurpleBlack, White, Starlit Green (Starlit Green weighs 219 g)
Water resistance detail–IP68, tested in fresh water up to 6 m deep for up to 30 minutes; not advised for beach or pool use
BiometricsIn-screen fingerprint sensor and AI face unlockUltrasonic in-screen fingerprint sensor; AI face unlock
SensorsProximity, ambient light, accelerometer, gyroscope, compass, X-axis linear motor, IR blaster and flicker sensorProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, flicker, laser focus, barometer, Hall; X-axis linear vibration motor
SpeakersStereo speakers; SOUND BY Harman Kardon and Dolby AtmosStereo speakers; Dolby Atmos; Hi-Res and Hi-Res Audio Wireless
Software
Operating systemAndroidAndroid
Software at launchMIUI 13 based on Android 12Xiaomi HyperOS 3
AI features–Xiaomi HyperAI (AI Writing, AI Speech Recognition, AI Interpreter, AI Search); Circle to Search with Google; Google Gemini
In the boxPhone, adapter, USB-C cable, SIM tool, protective case, quick start guide and warranty cardPhone, USB-C cable, SIM eject tool, protective case, safety information, quick start guide and warranty card (no charger)
Connectivity
Satellite messaging–No
Mobile network5G NSA/SA n1/3/5/7/8/20/28/38/40/41/66/77/78/79; LTE FDD B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/32/66 and TDD B38/39/40/41/42/48; WCDMA B1/2/4/5/6/8/19; GSM 850/900/1800/1900 MHz; 4×4 MIMO5G SA and NSA; 4G LTE; 4×4 MIMO
SIMDual SIM; availability varies by regionNano-SIM + nano-SIM, nano-SIM + eSIM, or dual eSIM
Wi-FiWi-Fi 6; Wi-Fi 6E availability varies by region and may require an OTA update; availability depends on the local networkWi-Fi 7 with Multi-Link Operation, 2×2 MIMO
BluetoothBluetooth 5.2Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3 and MIHC
NFCSupported; Google Pay availability varies by marketYes
USBUSB-C–
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou and NavIC L5; A-GNSS, compass and network positioningGPS (L1+L5), Galileo (E1+E5a), GLONASS (G1), Beidou, QZSS (L1+L5), NavIC (L5)

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