Phone Comparison - Oppo A91 vs Samsung Galaxy M31

Oppo A91
oppo a91
Samsung Galaxy M31
samsung galaxy m31
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general General Info

Manufacturer Oppo Samsung
Announced 2019, December 2020, February 25
Status Coming soon. Exp. release 2019, December 26 Available. Released 2020, March 5
Price - Rs. 14,999 ($0.00) [Similarly Priced]
Colors Black, Blue, Red Ocean Blue, Space Black, Red
Form Factor Candybar Candybar
Dimension 7.9 mm thickness
(0.31 in thickness)
159.2 x 75.1 x 8.9 mm
(6.27 x 2.96 x 0.35 in)
Weight 172 g (6.07 oz) 191 g (6.74 oz)
SIM Type 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
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0
User Interface ColorOS 6.1 One UI 2.0
Processor Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53), Mediatek MT6771V Helio P70 (12nm) [Similar] Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) [Similar]
GPU Mali-G72 MP3 [Similar] Mali-G72 MP3 [Similar]
RAM 8 GB [Browse Similar] 6 GB [Browse Similar]
Internal Memory 128 GB 128 GB
External Memory microSD, up to 256 GB (dedicated slot) microSD, up to 512 GB

display Display

Type Super AMOLED Capacitive Touchscreen Full HD+ Infinity-U Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors
Size 6.4 inches [Similar] 6.4 inches [Similar]
Resolution 1080 x 2340 pixels (403 ppi) 1080 x 2340 pixels (403 ppi)
Screen-to-Body Ratio - 83.97%
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP + 2 MP [Similar] 64 MP + 8 MP + 5 MP + 5 MP [Similar]
Flash LED flash LED Flash
Features 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera)
2 MP, f/2.4, 1/5", 1.75µm, depth sensor
HDR
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, Panorama
Video 2160p@30fps 2160p@30fps, 1080p@30fps, gyro-EIS
Front Camera 16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
HDR
1080p@30fps [Similar]
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/11.5 Mbps, LTE-A HSPA, LTE-A
Bluetooth 5.0, A2DP, LE, aptX HD 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 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSD, up to 256 GB (dedicated slot) microSD, up to 512 GB
USB OTG Supported Yes

Apps Sensors

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

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 30W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4000 mAh 6000 mAh
Stand by - -
Talk Time - -