Samsung Galaxy S25 Ultra vs Xiaomi POCO F8 Ultra
Better figure, where one is clearly better
| SamsungGalaxy S25 Ultra | XiaomiPOCO F8 Ultra | |
|---|---|---|
| Overview | ||
| Released | February 2025 | November 2025 |
| Display | ||
| Screen size | 6.9″ | 6.9″ |
| Resolution | 3120 × 1440 (better) | 2608 × 1200 |
| Sharpness | 498 pixels per inch (better) | 416 pixels per inch |
| Panel | LTPO OLED | OLED |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,600 nits | 3,500 nits (better) |
| Display type | Dynamic AMOLED 2X, Quad HD+, 16M colours; Super Smooth 120 Hz adaptive refresh rate (1–120 Hz); 6.9 inches as a full rectangle, 6.8 inches allowing for the rounded corners | AMOLED 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 detail | – | 600 nits typical, 2,000 nits high-brightness mode, 3,500 nits peak covering 25% of the screen and 1 nit minimum |
| Screen protection | Corning Gorilla Armor 2 (glass-ceramic with an anti-reflective surface treatment) | POCO Shield Glass |
| Display features | Vision booster; Adaptive colour tone; ProScaler image upscaling | DCI-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 | ||
| Chip | Snapdragon 8 Elite for Galaxy | Qualcomm Snapdragon 8 Elite Gen 5 |
| Memory | 12 GB | 12 GB – 16 GB (better) |
| Storage | 256 GB, 512 GB, 1 TB (better) | 256 GB, 512 GB |
| CPU | Octa-core (4.47 GHz, 3.5 GHz); 3 nm | 3 nm, third-generation Qualcomm Oryon CPU; two prime cores up to 4.6 GHz and six performance cores up to 3.6 GHz |
| GPU | Real-time ray tracing; Vulkan optimisation | Qualcomm 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 type | – | LPDDR5X RAM at 9,600 Mbps and UFS 4.1 enhanced storage firmware; 12 GB/256 GB or 16 GB/512 GB |
| Cooling | Larger vapour chamber with a new thermal interface material (TIM) | LiquidCool Technology, 6,700 mm² 3D dual-channel, dual-layer IceLoop system with separate processor and camera cooling; WildBoost optimisation |
| Cameras | ||
| Main camera | 200 MP (better) | 50 MP |
| Ultra wide camera | 50 MP | 50 MP |
| Telephoto camera | 50 MP | 50 MP |
| Optical zoom | 5× | 5× |
| Front camera | 12 MP | 32 MP (better) |
| Main camera | 200 MP wide, F1.7, 85° field of view, OIS, autofocus; Adaptive Pixel sensor | Light 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 camera | 50 MP, F1.9, 120° field of view; macro shots | 50 MP, f/2.4 and 18 mm equivalent focal length |
| Telephoto camera | 50 MP, F3.4, 22° field of view, OIS, 5x optical zoom | 50 MP periscope, f/3.0, OIS, four-element lens, 115 mm equivalent focal length and focusing from 30 cm to infinity |
| Second telephoto camera | 10 MP, F2.4, 36° field of view, OIS, 3x optical zoom | – |
| Front camera | 12 MP, F2.2, 80° field of view, autofocus | 32 MP; automatic 0.8× framing for group selfies |
| Zoom | 3x and 5x optical zoom; 2x and 10x optical-quality zoom (Adaptive Pixel sensor); Space Zoom up to 100x digital | 5× optical, 10× lossless in-sensor crop and 20× Ultra Zoom processing |
| Video recording | Up to 8K (7680 × 4320) at 30 fps; 10-bit HDR recording by default; Log video; slow motion at 240 fps (FHD) and 120 fps (FHD and UHD) | 8K 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 features | ProVisual Engine; Nightography; Audio Eraser; Expert RAW; Filters made from your own photos | Dynamic 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 | ||
| Battery | 5,000 mAh | 6,500 mAh (better) |
| Video playback (maker's claim) | Up to 31 hours | – |
| Wired charging | Up to 45 W | Up to 100 W (better) |
| Wireless charging | Up to 15 W | Up to 50 W (better) |
| Battery life detail | 5,000 mAh typical, 4,855 mAh rated; at least 2,000 charge cycles; EU energy class B, 44 h 54 min per charge cycle | 6,500 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 charging | Up to 65% in around 30 minutes with a 45 W adapter (sold separately); compatible with QC2.0 and AFC/PD | 100 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 | Fast Wireless Charging 2.0 (WPC Qi); Qi certified at 15 W (Extended Power Profile) | 50 W wireless HyperCharge; maker laboratory claim of 50% charge in 31 minutes; wireless charger sold separately |
| Charges other devices | Wireless PowerShare | Up to 22.5 W wired reverse charging for compatible devices tested by POCO |
| Connectivity | ||
| Satellite messaging | Yes | – |
| Mobile network | 5G Sub6 (FDD, TDD, SDL); 4G LTE (FDD, TDD); 3G WCDMA; 2G GSM | 5G 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 |
| SIM | Two nano-SIMs, nano-SIM and eSIM, or dual eSIM | Dual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier |
| Wi-Fi | Wi-Fi 7 (802.11a/b/g/n/ac/ax/be), 2.4, 5 and 6 GHz, EHT320, MIMO, 4096-QAM | Wi-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 |
| Bluetooth | Bluetooth 5.4 | Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3, ASHA, Auracast and MIHC |
| Ultra Wideband | Yes | – |
| NFC | Yes | Supported; regional functions vary |
| Satellite features | Works with O2 Satellite in the UK (texts, supported apps, maps and location sharing where O2 has no signal; not emergency calls) | – |
| USB | USB Type-C, USB 3.2 Gen 1 | USB-C |
| Positioning | GPS, Glonass, Beidou, Galileo, QZSS | GPS L1/L5, BeiDou B1I/B1C/B2a, Galileo E1/E5a, GLONASS G1, QZSS L1/L5 and NavIC L5; assisted positioning |
| Design | ||
| Type | Standard | Standard |
| Weight | 218 g | 218 g |
| Thickness | 8.2 mm | 7.9 mm (better) |
| Height × width | 162.8 × 77.6 mm | 163.33 × 77.82 mm |
| Water and dust resistance | IP68 | IP68 |
| Stylus | Yes | – |
| Materials | Titanium frame (not the volume and side keys) | Aluminium-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 |
| Colours | Titanium Silverblue, Titanium Black, Titanium Grey, Titanium Whitesilver; Titanium Jetblack, Titanium Jadegreen and Titanium Pinkgold (Samsung.com only) | Black 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, tested for submersion in up to 1.5 m of fresh water for up to 30 minutes; not advised for beach or pool use | 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 |
| Biometrics | Fingerprint sensor | Ultrasonic in-display fingerprint reader with press-and-slide enrolment and AI Face Unlock |
| Sensors | Accelerometer, barometer, fingerprint sensor, gyro sensor, geomagnetic sensor, Hall sensor, light sensor, proximity sensor | Proximity, ambient light, accelerometer, electronic compass, gyroscope, IR blaster, flicker and colour-temperature sensors; X-axis linear vibration motor |
| Speakers | Stereo speakers | Bose-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 system | Android | Android |
| Software at launch | One UI 7 (Android 15) | Xiaomi HyperOS 3; Android 16 confirmed by Tech Advisor and Expert Reviews |
| Software updates | Seven generations of OS upgrades and seven years of security updates; security updates until 31 January 2032 (UK) | – |
| AI features | Galaxy AI, including Now Brief, Now Bar and Audio Eraser; Circle to Search with Google (finger or S Pen); Gemini on the side button | 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 box | – | Phone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor |
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