Phone Comparison - Samsung Galaxy S21 Ultra 5G vs Google Pixel 10 Pro vs Xiaomi Redmi Note 15 Pro
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Xiaomi | |
| Announced | 2021, January 14 | August 2025 | December 2025 |
| Status | Coming soon. Exp. release 2021, January 29 | Coming Soon - August 2025 | Coming Soon - December 2025 |
| Price | Rs. 105,999 ($0.00) [Similarly Priced] | Rs. 109,999 ($0.00) [Similarly Priced] | - |
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown | Moonstone, Jade, Porcelain, Obsidian | Black, Glacier Blue, Mist Purple, Titanium |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
152.8 x 72 x 8.5 mm (6.02 x 2.83 x 0.33 in) |
163.6 x 78.1 x 8 mm (6.44 x 3.07 x 0.31 in) |
| Weight | 227 g (8.01 oz) | 207 g (7.3 oz) | 210 g (7.41 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 - SIM 1 & SIM 2 (Dual SIM model only) CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 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, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71 |
| 5G Network | SA/NSA/Sub6/mmWave | 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77, 258, 260, 261 SA/NSA/Sub6/mmWave - USA 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 30, 38, 40, 41, 66, 71, 75, 76, 77, 78, 79 SA/NSA/Sub6 - ROW |
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA |
| 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 (under display, ultrasonic) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
- Fingerprint Sensor (under display, optical) IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Manufacturer-rated water-resistance (up to 2m for 24 hours) Drop resistant up to 2.5m |
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| OS | Android 11 | Android 16, up to 7 major Android upgrades | Android 15 |
| User Interface | One UI 3.0 | - | HyperOS 2 |
| 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 | , Google Tensor G5 (3 nm) | Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), Mediatek Dimensity 7400 Ultra (4 nm) |
| GPU | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea | - | Mali-G615 MC2 |
| RAM | 16 GB | 16 GB | 12 GB |
| Internal Memory | 512 GB | 1 TB | 512 GB |
| External Memory | microSDXC (uses shared SIM slot) | No | 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+ LTPO OLED Screen 120Hz, HDR10+, 2200 Nits (HBM), 3300 Nits (peak) Corning Gorilla Glass Victus 2 |
FHD+ AMOLED Screen, 120Hz 3840Hz PWM, HDR10+, Dolby Vision, 3200 Nits (peak) Corning Gorilla Glass Victus 2, Mohs Level 5 |
| Colors | 16M Colour | 16M colors | 68B colors |
| Size | 6.8 inches | 6.3 inches | 6.83 inches |
| Resolution | 1440 x 3200 pixels (516 ppi) | 1280 x 2856 pixels (497 ppi) | 1280 x 2772 pixels (447 ppi) |
| Screen-to-Body Ratio | 89.46% | 86.79% | 89.66% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio (Snapdragon model only; market/operator dependent) | No | 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 | 50 MP + 48 MP + 48 MP | 200 MP + 8 MP |
| Flash | LED flash | LED Flash | LED 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 |
50 MP, f/1.7, 25mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 48 MP, f/2.8, 113mm (periscope telephoto), 1/2.55", dual pixel PDAF, OIS, 5x optical zoom 48 MP, f/1.7, 123˚ (ultrawide), 1/2.55", dual pixel PDAF Multi-zone Laser AF, Pixel Shift, Ultra-HDR, Panorama, Best Take, Zoom Enhance |
200 MP, f/1.7, 23mm (wide), 1/1.4", 0.56µm, multi-directional PDAF, OIS 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm HDR, Panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 8K@30fps (via cloud-based upscaling), 4K@24/30/60fps, 1080p@24/30/60/120/240fps; gyro-EIS, OIS, 10-bit HDR | 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS |
| Front Camera |
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps [Similar] |
42 MP, f/2.2, 17mm (ultrawide), PDAF HDR, panorama 4K@30/60fps, 1080p@30/60fps [Similar] |
20 MP, f/2.2, 25mm (wide), 1/4.0", 0.7µm HDR, panorama 1080p@30/60fps [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, LTE (CA), 5G | HSPA, LTE, 5G |
| Bluetooth | 5.2, A2DP, LE | 6.0, A2DP, LE, aptX HD | 5.4, 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/6e/7, tri-band | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| USB | USB Type-C 3.2, USB On-The-Go | USB Type-C 3.2 | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC | GPS, GALILEO, GLONASS, QZSS, BDS |
| 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 | 1 TB, 16 GB RAM or 512 GB, 16 GB RAM or 256 GB, 16 GB RAM or 128 GB, 16 GB RAM | 512 GB, 12 GB RAM or 512 GB, 8 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM UFS 2.2 |
| Expandable Storage | microSDXC (uses shared SIM slot) | No | 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-ion Battery Fast Battery Charging 30W wired, PD3.0, PPS, 55% in 30 minutes 15W wireless (magnetic), Qi2 Reverse wireless Bypass charging |
Non-removable Si/C Li-Ion Battery Fast Battery Charging 45W wired 22.5W Reverse wired |
| Capacity | 5000 mAh | 4870 mAh | 6580 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 109,999 
