Request a product

Xiaomi POCO F8 Ultra vs Xiaomi Xiaomi 15 Ultra

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

Better figure, where one is clearly better

XiaomiPOCO F8 UltraXiaomiXiaomi 15 Ultra
Overview
ReleasedNovember 2025February 2025
Display
Screen size6.9″6.73″
Resolution2608 × 12003200 × 1440
Sharpness416 pixels per inch521 pixels per inch
PanelOLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness3,500 nits3,200 nits
Display typeAMOLED with full RGB subpixel structure, 12-bit colour, 68 billion colours and 5,000,000:1 contrast; marketed as 6.9 inches, with approximately 6.85-inch full-rectangle diagonal stated by the makerWQHD+ 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 detail600 nits typical, 2,000 nits high-brightness mode, 3,500 nits peak covering 25% of the screen and 1 nit minimum3,200 nits multi-scenario peak brightness
Always-on display–Always-active Display with 2–80 nits adaptive brightness and refresh as low as 1 Hz
Screen protectionPOCO Shield GlassXiaomi Shield Glass 2.0; camera surround protected by Corning Gorilla Glass 7i
Display featuresDCI-P3, HDR10+, Dolby Vision, DC dimming, circular polarisation, 480 Hz touch sampling and 2,560 Hz instant touch sampling in Game Turbo, Wet Touch 2.0, Original Colour PRO, Pro HDR 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 Elite Gen 5Qualcomm Snapdragon 8 Elite
Memory12 GB – 16 GB16 GB
Storage256 GB, 512 GB512 GB, 1 TB
CPU3 nm, third-generation Qualcomm Oryon CPU; two prime cores up to 4.6 GHz and six performance cores up to 3.6 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 suffix; dedicated VisionBoost D8 with GEX assists supported games with AI super resolution, 120 fps frame interpolation and Game HDR, and selected YouTube/Netflix video scenariosQualcomm Adreno GPU; maker gives no numeric suffix
AI engineQualcomm AI engineQualcomm AI engine; maker states 80 TOPS computing power
Storage typeLPDDR5X RAM at 9,600 Mbps and UFS 4.1 enhanced storage firmware; 12 GB/256 GB or 16 GB/512 GBLPDDR5X RAM at 8,533 Mbps and UFS 4.1 storage; UK 16 GB/512 GB or 16 GB/1 TB
CoolingLiquidCool Technology, 6,700 mm² 3D dual-channel, dual-layer IceLoop system with separate processor and camera cooling; WildBoost optimisationXiaomi 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 cameraLight Fusion 950, 50 MP, f/1.67, 1/1.31-inch sensor, OIS, one glass plus six plastic lens elements 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 camera50 MP, f/2.4 and 18 mm equivalent focal lengthLeica 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 camera50 MP periscope, f/3.0, OIS, four-element lens, 115 mm equivalent focal length and focusing from 30 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; automatic 0.8× framing for group selfiesOmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
Zoom5× optical, 10× lossless in-sensor crop and 20× Ultra Zoom processing3× 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 30 fps; 4K at 30/60 fps; Full HD at 30/60 fps; HD at 30 fps; 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 at 30 fps, Full HD at 30/60 fps, HD at 30 fps and HD slow motion at 120 fps4K or Full HD at 30/60 fps, HD at 30 fps; Dolby Vision video, teleprompter, slow motion selfie and time-lapse selfie
Camera featuresDynamic Shots at 1440p with EIS and HDR, motion capture and tracking focus, documents, portrait, Pro, super macro, Burst Shot Mode 2.0, adaptive telephoto, Supermoon, HDR, panorama, long exposure, video teleprompter and ShootSteady; regional AI gallery editing13-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
Battery6,500 mAh5,410 mAh
Wired chargingUp to 100 WUp to 90 W
Wireless chargingUp to 50 WUp to 80 W
Battery life detail6,500 mAh typical silicon-carbon dual-cell battery; maker laboratory claims 15.14 hours continuous use and at least 80% capacity after 1,600 cycles5,410 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 charging100 W HyperCharge; PD 3.0/2.0 and 100 W PPS support, with global PPS rollout stated for early December 2025; maker laboratory claim of full charge in 38 minutes; separate 120 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; maker laboratory claim of 50% charge in 31 minutes; wireless charger sold separately80 W wireless HyperCharge; compatible wireless charger sold separately
Charges other devicesUp to 22.5 W wired reverse charging for compatible devices tested by POCO–
Design
TypeStandardStandard
Weight218 g226 g
Thickness7.9 mm9.35 mm
Height × width163.33 × 77.82 mm161.3 × 75.3 mm
Water and dust resistanceIP68IP68
MaterialsAluminium-alloy frame, camera surround and lens bezel; glass-fibre and third-generation Nano-tech back materials; Denim Blue describes the finish and contains no denim fabric6M42 high-strength aluminium frame; maker confirms Silver Chrome glass fibre and PU leather; Tech Advisor identifies glass-fibre backs on Black/White
ColoursBlack and Denim Blue; main dimensions and weight are for Black, while Denim Blue is 8.3 mm thick and weighs 220 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 with press-and-slide enrolment and AI Face UnlockUltrasonic in-display fingerprint reader and AI Face Unlock
SensorsProximity, ambient light, accelerometer, electronic compass, gyroscope, IR blaster, flicker and colour-temperature sensors; X-axis linear vibration motorProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser autofocus, barometer and flicker sensor; X-axis linear vibration motor
SpeakersBose-tuned 2.1-channel system with two symmetrical 1115F stereo speakers and separate 1620 subwoofer; Dolby Atmos, Hi-Res Audio and Hi-Res Wireless AudioStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
MicrophonesThree-microphone arrayFour-microphone array with directional/omnidirectional recording and Audio Zoom
Software
Operating systemAndroidAndroid
Software at launchXiaomi HyperOS 3; Android 16 confirmed by Tech Advisor and Expert ReviewsXiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and TechRadar
Software updates–Four Android version upgrades and six years of security updates reported at launch by Tech Advisor and TechRadar
AI featuresRegional Xiaomi HyperAI writing, speech recognition, interpreter, search, dynamic wallpapers and image-editing tools, Google Gemini and Circle to Search; some features require internet access or software 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
Safety featuresXiaomi Offline Communication supports voice calls over 1 km in open, unobstructed environments with a SIM and signed-in Xiaomi account; availability and actual range depend on region and surroundings–
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, WCDMA and GSM, 4×4 MIMO; 5G SA n1/n2/n3/n5/n7/n8/n20/n26/n28/n38/n40/n41/n48/n66/n71/n77/n78; Surge T1S and Surge T1+ signal tuners5G 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 7/6/5/4, 2.4/5 GHz, multi-link operation, 2×2 MIMO, 8×8 sounding for MU-MIMO, Wi-Fi Direct and Miracast; newer standards depend on region, network and applicable updatesWi-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, LC3, ASHA, Auracast and MIHCBluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3
NFCSupported; regional functions varySupported
USBUSB-CUSB-C, USB 3.2 Gen 2
PositioningGPS L1/L5, BeiDou B1I/B1C/B2a, Galileo E1/E5a, GLONASS G1, QZSS L1/L5 and NavIC L5; assisted positioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning

More comparisons