Oppo A91 vs Samsung Galaxy S20 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 46(5200), 48, 66(1700/2100), 71(600)
5G network

-

5G band 2(1900), 5(850), 41(2500), 66(1700), 71(600); SA, NSA, Sub6
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.5 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A (7CA), Cat20, 2000 Mbps download, 200 Mbps upload
5G speed

-

5 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Front glass(Gorilla Glass 6), back glass(Gorilla Glass 6), aluminium frame
SIM

Dual SIM (Nano-SIM, dual stand-by)

Single SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

160.2 mm

151.7 mm
Width

73.3 mm

69.1 mm
Thickness

7.9 mm

7.9 mm
Weight

172 g

163 g
Payment

-

Samsung Pay
Waterproof

-

IP68, 1.5m for 30 mins
Dust proof

-

IP68
Colors

Dark blue, Blue, Red

Blue, Grey, Pink

Display
Display type

AMOLED capacitive touchscreen

Dynamic AMOLED 2X capacitive touchscreen
Physical size

6.4 inches

6.2 inches
Resolution

1080 x 2400 pixels

1440 x 3200 pixels
Pixel density

411 ppi

563 ppi
Display colors

16777216

16777216
Protection

Scratch resistant

Scratch resistant, Corning Gorilla Glass 6
Multitouch

Yes

Yes
Display features

-

Always-on display, HDR10+

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.1 GHz Cortex-A73

Dual-core / Single-core 2.73 / 2.84 GHz Mongoose M5 / Kryo 585
CPU(second)

quad-core 2.0 GHz Cortex-A53

Dual-core / Triple-core 2.50 / 2.42 GHz Cortex-A76 / Kryo 585
CPU(third)

Quad-core / Quad-core 2.0 / 1.8 GHz Cortex-A55 / Kryo 585
Chipset

Mediatek MT6771V Helio P70

Exynos 990 - global / Qualcomm SM8250 Snapdragon 865 - USA
GPU

Mali-G72 MP3

Mali-G77 MP11 - global / Adreno 650 - USA
Memory RAM

8 GB

12 GB
Internal storage

128 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

256 GB

1 TB
Storage

-

UFS 3.0

Main camera
Camera type

Quad

Triple
Main camera

48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm

12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm, 3x hybrid optical zoom
8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm

64 MP, f/2.0 , 1/1.72" , 0.8 µm
2 MP, f/2.4 , 1/5" , 1.75 µm

12 MP, f/2.2 , 1.4 µm, 13 mm
2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

8000 x 6000 pixels

4032 x 3024 pixels
Primary camera video

2160p@30fps

4320p@24fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocus

Autofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, phase detection with Dual Pixel

Selfie camera
Selfie camera

16 MP, f/2 , 26 mm, 1/3.1" , 1.0 µm

10 MP, f/2.2 , 26 mm, 1/3.2" , 1.22 µm
Selfie camera resolution

4608 x 3456 pixels

3840 x 2160 pixels
Selfie camera video

1080p@30fps

2160p@30/60fps, 1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity, light

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity
Power bank function

-

Yes