Xiaomi Poco F8 Ultra vs Samsung Galaxy S21 Ultra 5G
General Info
| Manufacturer | |
| Xiaomi | Samsung |
| Announced | |
| November 2025 | 2021, January 14 |
| Status | |
| Available - November 2025 | Coming soon. Exp. release 2021, January 29 |
| Price | |
| - | Rs. 105,999 ($0.00) [Similarly Priced] |
| Colors | |
| Black, White, Denim Blue | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
163.3 x 77.8 x 7.9 mm or 8.3 mm (6.43 x 3.06 x 0.31 in or 0.33 in) |
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
| Weight | |
| 218 g or 220 g (7.69 oz or 7.76 oz) | 227 g (8.01 oz) |
| SIM Type | |
| - | Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA2000 1xEV-DO |
| 3G Network | |
| HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | |
| 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 71 | LTE |
| 5G Network | |
| 1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA | SA/NSA/Sub6/mmWave |
| Messaging | |
| Build Features | |
| - Fingerprint Sensor (under display, ultrasonic) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
- Fingerprint Sensor (under display, ultrasonic) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) Stylus support Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+ |
Display
| Type | |
| FHD+ AMOLED, 2560Hz PWM, 120Hz Dolby Vision, HDR10+, 2000 Nits (HBM), 3500 Nits (peak) Poco Shield Glass |
QHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1500 nits (peak) Corning Gorilla Glass Victus Always-on display |
| Colors | |
| 68B colors | 16M Colour |
| Size | |
| 6.9 inches [Similar] | 6.8 inches [Similar] |
| Resolution | |
| 1200 x 2608 pixels (416 ppi) | 1440 x 3200 pixels (516 ppi) |
| Screen-to-Body Ratio | 91.83% | 89.46% |
| Multi-Touch | |
Hardware and OS
| OS | |
| Android 16 | Android 11 |
| User Interface | |
| HyperOS 3 | One UI 3.0 |
| Processor | |
| Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M), Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) [Similar] | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA [Similar] |
| GPU | |
| Adreno 840 [Similar] | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea [Similar] |
| RAM | |
| 16 GB [Browse Similar] | 16 GB [Browse Similar] |
| Internal Memory | |
| 512 GB | 512 GB |
| External Memory | |
| No | microSDXC (uses shared SIM slot) |
Camera
| Rear Camera | |
| 50 MP + 50 MP + 50 MP [Similar] | 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP [Similar] |
| Flash | |
| LED Flash | LED flash |
| Features | |
| 50 MP, f/1.7, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm Color Spectrum Sensor, HDR, Panorama |
108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video auto-HDR, panorama |
| Video | |
| 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+ | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS |
| Front Camera | |
|
32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm HDR 4K@30fps, 1080p@30/60fps [Similar] |
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps [Similar] |
Multimedia
| 3.5mm Jack | |
| Radio | |
| No | FM radio (Snapdragon model only; market/operator dependent) |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Yes | Yes |
| 3G | |
| HSPA, LTE, 5G | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Bluetooth | |
| 6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5.0, ASHA, MIHC | 5.2, A2DP, LE |
| Wi-Fi | |
| Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot |
| USB | |
| USB Type-C 3.2, Display Port, OTG | USB Type-C 3.2, USB On-The-Go |
| GPS | |
| GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Browser | |
| Yes | Yes |
User Memory
| Internal | |
| 512 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.1 | 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 |
| Expandable Storage | |
| No | microSDXC (uses shared SIM slot) |
| USB OTG | |
| Supported | Supported |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| Magnetic-field Sensor (Compass) | |
| Gyroscope Sensor | |
| Barometer Sensor | |
| NFC | |
Battery
| Type | |
| Non-removable Li-ion Battery Fast Battery Charging 100W wired, PD3.0, QC3+, 100W PPS, 100% in 38 min 50W wireless, 50% in 31 mins 22.5W reverse wired |
Non-removable Li-Po Battery Fast battery charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W |
| Capacity | |
| 6500 mAh | 5000 mAh |
| Stand by | |
| - | - |
| Talk Time | |
| - | - |