Xiaomi POCO F4 vs Xiaomi POCO F8 Ultra

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

Better figure, where one is clearly better

POCO F4 compared with POCO F8 Ultra
XiaomiPOCO F4XiaomiPOCO F8 Ultra
Overview
ReleasedJune 2022November 2025
Display
Screen size6.67″6.9″
Resolution2400 × 10802608 × 1200 (better)
Sharpness395 pixels per inch416 pixels per inch (better)
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness1,300 nits3,500 nits (better)
Display typeE4 AMOLED DotDisplay, 20:9 aspect ratio, 2.76 mm camera cut-out 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 features100% DCI-P3 typical, TrueColor, Dolby Vision, HDR10+, 360 Hz touch sampling, MEMC, sunlight display 3.0, 360° ambient light sensing and SGS Eye Care Display; maker DynamicSwitch offers 60/90/120 HzDCI-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 (better)
Storage128 GB, 256 GB256 GB, 512 GB (better)
CPU7 nm Kryo 585; one A77-based Prime core at 3.2 GHz, three A77-based Gold cores at 2.42 GHz and four A55-based Silver cores at 1.8 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 engineMaker overview cites 15 TOPS from QualcommQualcomm AI engine
Storage typeLPDDR5 RAM and UFS 3.1 storage; UK 6 GB/128 GB and 8 GB/256 GB; India review's 12 GB configuration is not a UK option; 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
CoolingLiquidCool Technology 2.0, seven-layer graphite heat dissipation structure and 3,112 mm² vapour chamberLiquidCool Technology, 6,700 mm² 3D dual-channel, dual-layer IceLoop system with separate processor and camera cooling; WildBoost optimisation
Cameras
Main camera64 MP (better)50 MP
Ultra wide camera8 MP50 MP
Telephoto cameraNone50 MP
Optical zoomNone5× (better)
Front camera20 MP32 MP (better)
Main camera64 MP, f/1.79, six-element lens, 4-in-1 binning to 1.4 µm and optical image stabilisationLight 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 and Full HD at 30/60 fps; HD at 30 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 2 MP f/2.4 macro camera with 1.75 µm pixelsDynamic 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
Battery4,500 mAh6,500 mAh (better)
Wired chargingUp to 67 WUp to 100 W (better)
Wireless chargingNoneUp to 50 W (better)
Battery life detail4,500 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 charging67 W turbo charging and included 67 W adaptor; Middle Middle Tab technology; maker laboratory claim of full charge in 38 minutes100 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
Weight195 g (better)218 g
Thickness7.7 mm (better)7.9 mm
Height × width163.2 × 75.95 mm163.33 × 77.82 mm
Water and dust resistance–IP68
MaterialsGlass back and plastic frame, as described by The Indian ExpressAluminium-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, Night Black and Nebula GreenBlack 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, electronic compass and IR blaster; X-axis linear motorProximity, ambient light, accelerometer, electronic compass, gyroscope, IR blaster, flicker and colour-temperature sensors; X-axis linear vibration motor
SpeakersStereo 1216 super-linear and 1012 speakers, Dolby Atmos and Hi-Res Audio; HDR10+ and Dolby Vision video playbackBose-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 13 for POCO based on Android 12, 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, 67 W adaptor, USB-C cable, SIM tool, protective case, quick-start guide, warranty card, safety information and USB-C to 3.5 mm adaptorPhone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor
Connectivity
Mobile networkSub-6 GHz NSA/SA 5G n1/n3/n5/n7/n8/n20/n28/n38/n40/n41/n77/n78; LTE FDD B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28 and TDD B38/B40/B41; WCDMA B1/B2/B4/B5/B6/B8/B19 and GSM 850/900/1800/1900 MHz; 4×4 MIMO5G 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 nano-SIMDual 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 5.2Bluetooth 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 marketSupported; regional functions vary
USBUSB-CUSB-C
PositioningGPS L1/L5, Galileo E1/E5a, QZSS L1/L5, BeiDou B1I/B2a and NavIC; maker labels GLONASS as L1GPS L1/L5, BeiDou B1I/B1C/B2a, Galileo E1/E5a, GLONASS G1, QZSS L1/L5 and NavIC L5; assisted positioning

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