Phone Comparison - Samsung Galaxy S21 Ultra 5G vs Xiaomi Redmi Note 10 5G vs Oppo Find X3
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| Manufacturer | Samsung | Xiaomi | Oppo |
| Announced | 2021, January 14 | March 2021 | 2021, March 11 |
| Status | Coming soon. Exp. release 2021, January 29 | Coming Soon - April 2021 | Coming soon. Exp. release 2021, March |
| Price | Rs. 105,999 ($0.00) [Similarly Priced] | - | - |
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown | Chrome Silver, Graphite Gray, Nighttime Blue, Aurora Green | Gloss Black, Blue, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
161.8 x 75.3 x 8.9 mm (6.37 x 2.96 x 0.35 in) |
163.6 x 74 x 8.3 mm (6.44 x 2.91 x 0.33 in) |
| Weight | 227 g (8.01 oz) | 190 g (6.7 oz) | 193 g (6.81 oz) |
| SIM Type | Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 66 - International 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66 - China |
| 5G Network | SA/NSA/Sub6/mmWave | 1, 3, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA - China |
| Messaging | |||
| Build Features | - 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+ |
- Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (under display, optical) IP68 dust/water resistant (up to 1.5m for 30 mins) |
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| OS | Android 11 | Android 11 | Android 11 |
| User Interface | One UI 3.0 | MIUI 12 | ColorOS 11 |
| Processor | 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 | Octa-core (4x2.2 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), MediaTek MT6833 Dimensity 700 5G (7 nm) | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| GPU | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea | Mali-G57 MC2 | Adreno 650 |
| RAM | 16 GB | 6 GB | 8 GB |
| Internal Memory | 512 GB | 128 GB | 256 GB |
| External Memory | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) | No |
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| Type | QHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1500 nits (peak) Corning Gorilla Glass Victus Always-on display |
FHD+ IPS LCD Screen 90Hz Refresh Rate 400 nits (typ) Corning Gorilla Glass 3 |
QHD+ LTPO Super AMOLED Screen 120Hz, refresh rate HDR10+ 800 nits (typ), 1200 nits (peak) Corning Gorilla Glass |
| Colors | 16M Colour | 16M Colour | 1B Colour |
| Size | 6.8 inches | 6.5 inches | 6.7 inches |
| Resolution | 1440 x 3200 pixels (516 ppi) | 1080 x 2400 pixels (405 ppi) | 1440 x 3216 pixels (526 ppi) |
| Screen-to-Body Ratio | 89.46% | 83.68% | 89.20% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio (Snapdragon model only; market/operator dependent) | Unspecified | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP | 48 MP + 2 MP + 2 MP | 50 MP + 13 MP + 50 MP + 3 MP |
| Flash | LED flash | Dual-LED Dual-tone Flash | Dual-LED dual-tone flash |
| Features | 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 |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, omnidirectional PDAF, OIS 13 MP, f/2.4, 52mm (telephoto), 2x optical zoom, PDAF 50 MP, f/2.2, 110˚ (ultrawide), 1/1.56", 1.0µm, omnidirectional PDAF 3 MP, f/3.0, (macro) HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 4K@30fps, 1080p@30/60/120fps | 4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video |
| Front Camera |
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps [Similar] |
8 MP, f/2.0, (wide) Panorama 1080p@30fps [Similar] |
32 MP, f/2.4, (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | 5.2, A2DP, LE | 5.1, A2DP, LE | 5.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| USB | USB Type-C 3.2, USB On-The-Go | USB Type-C 2.0 | USB Type-C 3.1, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO |
| Browser | Yes | Yes | Yes |
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| Internal | 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 | 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM UFS 2.2 | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 |
| Expandable Storage | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) | No |
| USB OTG | Supported | Not Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| Barometer Sensor | |
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| NFC | |
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| Type | 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 |
Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 65W Fast wireless charging 30W SuperVOOC 2.0 USB Power Delivery |
| Capacity | 5000 mAh | 5000 mAh | 4500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
