Phone Comparison - Samsung Galaxy A51 vs Oppo A31 vs Oppo A92

Price Comparison (India) - -

general General Info

Manufacturer Samsung Oppo Oppo
Announced December 2019 February 2020 2020, May 4
Status Coming Soon - December 12, 2019 Available - February 2020 Coming soon. Exp. release 2020, May 9
Price Rs. 23,999 ($0.00) [Similarly Priced] Rs. 11,490 ($0.00) [Similarly Priced] -
Colors Prism Crush White, Black, Pink, Blue Fantasy White, Mystery Black Twilight Black, Shining White, Aurora Purple
Form Factor Candybar Candybar Candybar
Dimension 158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
163.9 x 75.5 x 8.3 mm
(6.45 x 2.97 x 0.33 in)
162 x 75.5 x 8.9 mm
(6.38 x 2.97 x 0.35 in)
Weight 172 g (6.07 oz) 180 g (6.35 oz) 192 g (6.77 oz)
SIM Type Single SIM (Nano-SIM), 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) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE (unspecified) LTE (unspecified) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 9.0 (Pie) Android 10
User Interface One UI ColorOS 6.1 ColorOS 7.1
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765V/CB Helio P35 (12nm) Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6125 Snapdragon 665 (11 nm)
GPU Mali-G72 MP3 PowerVR GE8320 Adreno 610
RAM 8 GB 4 GB 8 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot) microSDXC

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen IPS LCD Capacitive Touchscreen FHD+ IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.5 inches 6.5 inches 6.5 inches
Resolution 1080 x 2340 pixels (396 ppi) 720 x 1600 pixels (270 ppi) 1080 x 2400 pixels (405 ppi)
Screen-to-Body Ratio 89.06% 82.39% 83.35%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP + 5 MP 12 MP + 2 MP + 2 MP 48 MP + 8 MP + 2 MP + 2 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
12 MP, f/1.8, (wide), PDAF
2 MP, f/2.4, 27mm (macro), 1/5.0", 1.75µm
2 MP, f/2.4, (depth)
HDR, Panorama
48 MP, f/1.7, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
Video 2160p@30fps, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
8 MP, f/2.0, HDR, 1080p@30fps [Similar] 16 MP, f/2.0
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 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 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 microUSB 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, BDS Yes, with A-GPS, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 4 GB RAM 128 GB, 8 GB RAM
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot) microSDXC
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor not present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 18W
Capacity 4000 mAh 4230 mAh 5000 mAh
Stand by - - -
Talk Time - - -