Samsung Galaxy A31 |
vivo Y51a |
Add 3rd Phone | ||
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General Info |
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Manufacturer | Samsung | vivo |
Announced | 2020, March 24 | January 2021 |
Status | Coming Soon - April 2020 | Coming Soon - January 2021 |
Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White | Titanium Sapphire, Crystal Symphony |
Form Factor | Candybar | Candybar |
Dimension |
159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in) |
Weight | 185 g (6.53 oz) | 188 g (6.63 oz) |
SIM Type | Single SIM (Nano-SIM), 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) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
4G Network | LTE (unspecified) | 1, 3, 5, 8, 40 |
Messaging | ||
Build Features | - Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor (side-mounted) |
Hardware and OS |
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OS | Android 10.0 | Android 11 |
User Interface | One UI 2.0 | Funtouch 11 |
Processor | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) [Similar] | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar] |
GPU | Mali-G52 MC2 [Similar] | Adreno 610 [Similar] |
RAM | 6 GB [Browse Similar] | 8 GB [Browse Similar] |
Internal Memory | 128 GB | 128 GB |
External Memory | microSDXC | microSDXC (dedicated slot) |
Display |
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Type | Super AMOLED Capacitive Touchscreen | IPS LCD Screen |
Colors | 16M colors | 16M Colour |
Size | 6.4 inches [Similar] | 6.58 inches [Similar] |
Resolution | 1080 x 2400 pixels (411 ppi) | 1080 x 2408 pixels (401 ppi) |
Screen-to-Body Ratio | 85.01% | 84.54% |
Multi-Touch | ||
Multimedia |
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3.5mm Jack | ||
Radio | - | FM radio |
Games | Yes + Downloadable | Yes + Downloadable |
Loud Speaker | ||
Camera |
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Rear Camera | 48 MP + 8 MP + 5 MP + 5 MP [Similar] | 48 MP + 8 MP + 2 MP [Similar] |
Flash | LED flash | LED Flash |
Features | 48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) panorama, HDR |
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) HDR, Panorama |
Video | 1080p@30fps | 4K@30fps, 1080p@30fps, gyro-EIS |
Front Camera |
20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm HDR 1080p@30fps [Similar] |
Connectivity and Data Rate |
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GPRS | Yes | Yes |
Edge | Yes | Yes |
3G | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
Bluetooth | 5.0, A2DP, LE | 5.0, 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, dual-band, Wi-Fi Direct, hotspot |
USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
Browser | Yes | Yes |
User Memory |
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Internal | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) | 128 GB, 8 GB RAM |
Expandable Storage | microSDXC | microSDXC (dedicated slot) |
USB OTG | Supported | Supported |
Sensors |
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Fingerprint | ||
Proximity Sensor | ||
Accelerometer Sensor | ||
Magnetic-Field Sensor (Compass) | ||
Gyroscope Sensor | ||
NFC | ||
Battery |
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Type | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 18W |
Capacity | 5000 mAh | 5000 mAh |
Stand by | - | - |
Talk Time | - | - |