Phone Comparison - Samsung Galaxy A51 vs Samsung Galaxy S25 Ultra vs Xiaomi Redmi Note 15 Pro+
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | December 2019 | January 2025 | December 2025 |
| Status | Coming Soon - December 12, 2019 | February 2025 | Coming Soon - December 2025 |
| Price | Rs. 23,999 ($0.00) [Similarly Priced] | Rs. 129,999 ($0.00) [Similarly Priced] | - |
| Colors | Prism Crush White, Black, Pink, Blue | Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold | Glacier Blue, Mocha Brown, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in) |
163.3 x 78.3 x 8.2 mm or 8.5 mm (6.43 x 3.08 x 0.32 in or 0.33 in) |
| Weight | 172 g (6.07 oz) | 218 g (7.69 oz) | 207 g (7.3 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | - | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE (unspecified) | 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 - International SA/NSA/Sub6/mmWave - USA |
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(In-display) |
- Fingerprint Sensor (under display, ultrasonic) IP68 dust/water resistant (up to 1.5m for 30 min) Stylus (Bluetooth integration, accelerometer, gyro) |
- 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 9.0 (Pie) | Android 15, up to 7 major Android upgrades | Android 15 |
| User Interface | One UI | One UI 7 | HyperOS 2 |
| Processor | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M), Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | Octa-core (1x2.7 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520), Qualcomm SM7635-AC Snapdragon 7s Gen 4 (4 nm) |
| GPU | Mali-G72 MP3 | Adreno 830 | Adreno 810 |
| RAM | 8 GB | 16 GB | 12 GB |
| Internal Memory | 128 GB | 1 TB | 512 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | No | No |
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| Type | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | QHD+ Dynamic LTPO AMOLED 2X Screen 120Hz, HDR10+, 2600 Nits (peak) Corning Gorilla Armor 2 |
FHD+ AMOLED Screen, 120Hz 3840Hz PWM, HDR10+, Dolby Vision, 3200 Nits (peak) Corning Gorilla Glass Victus 2, Mohs Level 5 |
| Colors | 16M colors | 16M colors | 68B colors |
| Size | 6.5 inches | 6.9 inches | 6.83 inches |
| Resolution | 1080 x 2340 pixels (396 ppi) | 1440 x 3120 pixels (498 ppi) | 1280 x 2772 pixels (447 ppi) |
| Screen-to-Body Ratio | 89.06% | 92.51% | 89.60% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 12 MP + 5 MP + 5 MP | 200 MP + 10 MP + 50 MP + 50 MP | 200 MP + 8 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera Panorama, HDR |
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 50 MP, f/1.9, 120˚ (ultrawide), 0.7µm, dual pixel PDAF, Super Steady video | 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 | 2160p@30fps, 1080p@30fps | 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS | 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS |
| Front Camera |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF HDR, HDR10+ Video - 4K@30/60fps, 1080p@30fps [Similar] |
32 MP, f/2.2, (wide), 1/3.0", 0.7µm HDR, panorama 1080p@30/60fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A | HSPA, LTE (up to 7CA), 5G | HSPA, LTE, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.4, A2DP, LE | 5.4, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6/6e, dual-band, Wi-Fi Direct (/6e is market/region dependent) |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 3.2, DisplayPort 1.2, OTG | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, BDS, GALILEO, QZSS | GPS (L1+L5), GALILEO, GLONASS, QZSS, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 1 TB, 16 GB RAM or 1 TB, 12 GB RAM or 512 GB, 12 GB RAM or 256 GB, 12 GB RAM UFS 4.0 | 512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM USF 2.2 |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | No | No |
| USB OTG | Supported | 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 15W |
Non-removable Li-ion Battery Fast Battery Charging 45W wired, PD3.0, 65% in 30 min 25W wireless (Qi2) 4.5W reverse wireless |
Non-removable Si/C Li-Ion Battery Fast Battery Charging 100W wired, 100% in 40 min 22.5W Reverse wired |
| Capacity | 4000 mAh | 5000 mAh | 6500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 25,250 
