Phone Comparison - Samsung Galaxy S21 5G vs Samsung Galaxy A17 vs Xiaomi Redmi Note 15 4G
.jpg)
.jpg)
.jpg)
|
|
|
|
|
|
|||
| Manufacturer | Samsung | 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. 69,999 ($799.99) [Similarly Priced] | - | - |
| Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | Black, Gray, Blue | Black, Forest Green, Glacier Blue, Purple |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151.7 x 71.2 x 7.9 mm (5.97 x 2.8 x 0.31 in) |
164.4 x 77.9 x 7.5 mm (6.47 x 3.07 x 0.3 in) |
164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in) |
| Weight | 169 g (5.96 oz) | 192 g (6.77 oz) | 183.7 g (6.46.0.25 oz) |
| SIM Type | Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | - | Nano-SIM + Nano-SIM |
| 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 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, 38, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66 |
| 5G Network | SA/NSA/Sub6/mmWave | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International SA/NSA/Sub6/mmWave - USA unlocked |
- |
| SAR EU |
- W/kg (head) - W/kg (body) |
0.67 W/kg (head) 0.97 W/kg (body) |
- W/kg (head) - W/kg (body) |
| Messaging | |||
| Build Features | - Fingerprint Sensor (under display, ultrasonic) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+ |
- Fingerprint Sensor (side-mounted) IP54 dust protected and water resistant (water splashes) |
- Fingerprint Sensor (under display, optical) IP64 dust tight and water resistant (water splashes) |
|
|||
| OS | Android 11 | Android 15, up to 6 major Android upgrades | Android 15 |
| User Interface | One UI 3.1 | One UI 7 | 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 - International / Qualcomm Snapdragon 888 - USA/China/Korea | Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55), Exynos 1330 (5 nm) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek Helio G100 Ultra (6 nm) |
| GPU | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea | Mali-G68 MP2 | Mali-G57 MC2 |
| RAM | 8 GB | 8 GB | 8 GB |
| Internal Memory | 256 GB | 256 GB | 512 GB |
| External Memory | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
|
|||
| Type | FHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1300 nits (peak) Corning Gorilla Glass Victus Always-on display |
FHD+ Super AMOLED Screen 90Hz, 800 Nits (HBM) Corning Gorilla Glass Victus, Mohs Level 5 |
FHD+ AMOLED Screen, 120Hz, 3840Hz PWM, 3200 Nits (peak) |
| Colors | 16M Colour | 16M colors | 68B colors |
| Size | 6.2 inches | 6.7 inches | 6.77 inches |
| Resolution | 1080 x 2400 pixels (424 ppi) | 1080 x 2340 pixels (385 ppi) | 1080 x 2392 pixels (388 ppi) |
| Screen-to-Body Ratio | 86.12% | 85.89% | 89.53% |
| Multi-Touch |  |
|
|
|
|||
| 3.5mm Jack | |
|
|
| Radio | FM radio (Snapdragon model only; market/operator dependent) | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
|
|
|
|||
| Rear Camera | 12 MP + 64 MP + 12 MP | 50 MP + 5 MP + 2 MP | 108 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm (ultrawide), 1.4µm, Super Steady video Auto-HDR, Panorama |
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF, OIS 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro) Panorama, HDR |
108 MP, f/1.7, 24mm (wide), 1/1.67", 0.64µm, PDAF Auxiliary lens HDR, Panorama |
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS | 1080p@30fps, gyro-EIS | 1080p@30/60fps |
| Front Camera | 10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF, Dual video call, Auto-HDR, 4K@30/60fps, 1080p@30fps [Similar] |
13 MP, f/2.0, (wide), 1/3.1", 1.12µm 1080p@30fps [Similar] |
20 MP, f/2.2, (wide), 1/4.0", 0.7µm 1080p@30fps [Similar] |
|
|||
| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA, LTE, 5G | HSPA, LTE |
| Bluetooth | 5.0, A2DP, LE | 5.3, A2DP, LE | 5.3, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| USB | USB Type-C 3.2, USB On-The-Go | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GALILEO, GLONASS, QZSS, BDS |
| Browser | Yes | Yes | Yes |
|
|||
| Internal | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM | 512 GB, 8 GB RAM or 256 GB, 8 GB RAM or 128GB 8 GB RAM or 128GB 6 GB RAM |
| Expandable Storage | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| USB OTG | Supported | Not Supported | Supported |
|
|||
| Fingerprint | |
|
|
| Proximity Sensor | |
|
|
| Accelerometer Sensor | |
|
|
| Magnetic-Field Sensor (Compass) | |
|
|
| Gyroscope Sensor | |
|
|
| Barometer Sensor | |
|
|
| NFC | |
|
|
|
|||
| Type | Non-removable Li-Po Battery Fast battery charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Power bank/Reverse wireless charging 4.5W |
Non-removable Li-ion Battery Fast Battery Charging 25W wired |
Non-removable Li-ion Battery Fast Battery Charging 33W wired 18W reverse wired |
| Capacity | 4000 mAh | 5000mAh | 6000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
