Phone Comparison - Oppo A91 vs Samsung Galaxy A51 5G

Oppo A91
oppo a91
Samsung Galaxy A51 5G
samsung galaxy a51 5g
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general General Info

Manufacturer Oppo Samsung
Announced 2019, December April 2020
Status Coming soon. Exp. release 2019, December 26 Coming Soon - April 2020
Colors Black, Blue, Red Prism Cube Black, Prism Cube White, Prism Cube Pink
Form Factor Candybar Candybar
Dimension 7.9 mm thickness
(0.31 in thickness)
158.9 x 73.6 x 8.7 mm
(6.26 x 2.9 x 0.34 in)
Weight 172 g (6.07 oz) 187 g (6.6 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), 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 (dual-SIM model only)
3G Network HSDPA 850 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 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), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor (under display, optical)

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 (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm) [Similar]
GPU Mali-G72 MP3 [Similar] Mali-G76 MP5 [Similar]
RAM 8 GB [Browse Similar] 8 GB [Browse Similar]
Internal Memory 128 GB 128 GB
External Memory microSD, up to 256 GB (dedicated slot) microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
Colors 16M colors 16M colors
Size 6.4 inches [Similar] 6.5 inches [Similar]
Resolution 1080 x 2340 pixels (403 ppi) 1080 x 2400 pixels (405 ppi)
Screen-to-Body Ratio - 87.17%
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP + 2 MP [Similar] 48 MP + 12 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
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, panorama
Video 2160p@30fps 2160p@30fps, 1080p@30/120fps; 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, 5G
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, USB On-The-Go
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0)
Expandable Storage microSD, up to 256 GB (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported

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 4500 mAh
Stand by - -
Talk Time - -