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Xiaomi POCO F3 vs Xiaomi POCO F8 Ultra

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

Better figure, where one is clearly better

XiaomiPOCO F3XiaomiPOCO F8 Ultra
Overview
ReleasedMarch 2021November 2025
Display
Screen size6.67″6.9″
Resolution2400 × 10802608 × 1200
Sharpness395 pixels per inch416 pixels per inch
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness1,300 nits3,500 nits
Display typeAMOLED DotDisplay, 20:9 aspect ratio and 5,000,000:1 contrastAMOLED 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 maker
Brightness detail900 nits HBM and 1,300 nits peak600 nits typical, 2,000 nits high-brightness mode, 3,500 nits peak covering 25% of the screen and 1 nit minimum
Screen protectionCorning Gorilla Glass 5POCO Shield Glass
Display featuresHDR10+, 360 Hz touch sampling, sunlight display 3.0, 360° ambient light sensing, MEMC, SGS Eye Care Display and Seamless Pro 120 Hz certificationDCI-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 certifications
Performance
ChipQualcomm Snapdragon 870Qualcomm Snapdragon 8 Elite Gen 5
Memory6 GB – 8 GB12 GB – 16 GB
Storage128 GB, 256 GB256 GB, 512 GB
CPU7 nm Kryo 585 octa-core processor at up to 3.2 GHz3 nm, third-generation Qualcomm Oryon CPU; two prime cores up to 4.6 GHz and six performance cores up to 3.6 GHz
GPUAdreno 650Qualcomm 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 scenarios
AI engine–Qualcomm AI engine
Storage typeLPDDR5 RAM and UFS 3.1 storage; no microSD slot, as confirmed by Android AuthorityLPDDR5X RAM at 9,600 Mbps and UFS 4.1 enhanced storage firmware; 12 GB/256 GB or 16 GB/512 GB
Cooling–LiquidCool Technology, 6,700 mm² 3D dual-channel, dual-layer IceLoop system with separate processor and camera cooling; WildBoost optimisation
Cameras
Main camera48 MP50 MP
Ultra wide camera8 MP50 MP
Telephoto cameraNone50 MP
Optical zoomNone5×
Front camera20 MP32 MP
Main camera48 MP, f/1.79 and 4-in-1 binning to 1.6 µmLight 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 pixels
Ultra wide camera8 MP, f/2.2 and 119° field of view50 MP, f/2.4 and 18 mm equivalent focal length
Telephoto camera–50 MP periscope, f/3.0, OIS, four-element lens, 115 mm equivalent focal length and focusing from 30 cm to infinity
Front camera20 MP, f/2.4532 MP; automatic 0.8× framing for group selfies
Zoom–5× optical, 10× lossless in-sensor crop and 20× Ultra Zoom processing
Video recording4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; HD and Full HD slow motion at 120/240/960 fps8K 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 fps
Front video–4K at 30 fps, Full HD at 30/60 fps, HD at 30 fps and HD slow motion at 120 fps
Camera featuresAdditional 5 MP f/2.4 telemacro camera with autofocus at 3–7 cm; night mode 2.0 and selfie night mode; AI cinema modes include Magic Zoom, slow shutter, time freeze, night time-lapse, parallel world and freeze frameDynamic 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 editing
Battery and charging
Battery4,520 mAh6,500 mAh
Wired chargingUp to 33 WUp to 100 W
Wireless chargingNoneUp to 50 W
Battery life detail4,520 mAh typical6,500 mAh typical silicon-carbon dual-cell battery; maker laboratory claims 15.14 hours continuous use and at least 80% capacity after 1,600 cycles
Wired charging33 W fast 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 recommended
Wireless charging–50 W wireless HyperCharge; maker laboratory claim of 50% charge in 31 minutes; wireless charger sold separately
Charges other devices–Up to 22.5 W wired reverse charging for compatible devices tested by POCO
Design
TypeStandardStandard
Weight196 g218 g
Thickness7.8 mm7.9 mm
Height × width163.7 × 76.4 mm163.33 × 77.82 mm
Water and dust resistance–IP68
MaterialsGlass front and back with plastic frame, as described by Android AuthorityAluminium-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 fabric
ColoursMoonlight Silver, Deep Ocean Blue, Arctic White and Night BlackBlack and Denim Blue; main dimensions and weight are for Black, while Denim Blue is 8.3 mm thick and weighs 220 g
Water resistance detail–IP68; 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
BiometricsSide fingerprint reader and AI Face UnlockUltrasonic in-display fingerprint reader with press-and-slide enrolment and AI Face Unlock
SensorsProximity, ambient light, accelerometer, gyroscope, compass and IR blaster; X-axis linear vibration motorProximity, ambient light, accelerometer, electronic compass, gyroscope, IR blaster, flicker and colour-temperature sensors; X-axis linear vibration motor
SpeakersStereo speakers, Hi-Res Audio, Dolby Atmos enabled by later OTA and HDR10 video support; no headphone socket, as confirmed by Android AuthorityBose-tuned 2.1-channel system with two symmetrical 1115F stereo speakers and separate 1620 subwoofer; Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
Microphones–Three-microphone array
Software
Operating systemAndroidAndroid
Software at launchMIUI 12 for POCO based on Android 11, as reported by both reviewsXiaomi HyperOS 3; Android 16 confirmed by Tech Advisor and Expert Reviews
AI features–Regional 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 updates
Safety features–Xiaomi 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, power adaptor, USB-C cable, USB-C to 3.5 mm adaptor, protective case, SIM tool, user 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 networkDual-SIM 5G; n1/n3/n5/n7/n8/n20/n28/n38/n41/n77/n78; LTE FDD B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28/B66 and TDD B38/B40/B41; WCDMA B1/B2/B4/B5/B8 and GSM 850/900/1800/1900 MHz5G 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 tuners
SIMDual SIM; maker specification controls TechAdvisor's conflicting single-SIM descriptionDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier
Wi-FiWi-Fi 6Wi-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 updates
BluetoothBluetooth 5.1Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3, ASHA, Auracast and MIHC
NFCNFC with Google Pay; availability varies by regionSupported; regional functions vary
USBUSB-C, as confirmed by Android AuthorityUSB-C
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou B1I/B2a and NavICGPS L1/L5, BeiDou B1I/B1C/B2a, Galileo E1/E5a, GLONASS G1, QZSS L1/L5 and NavIC L5; assisted positioning

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