Oppo A91 vs Samsung Galaxy S20+

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), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)
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
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

161.9 mm
Width

73.3 mm

73.7 mm
Thickness

7.9 mm

7.8 mm
Weight

172 g

186 g
Payment

-

Samsung Pay
Waterproof

-

IP68, 1.5m for 30 mins
Dust proof

-

IP68
Colors

Dark blue, Blue, Red

Black, Blue, Grey

Display
Display type

AMOLED capacitive touchscreen

Dynamic AMOLED 2X capacitive touchscreen
Physical size

6.4 inches

6.7 inches
Resolution

1080 x 2400 pixels

1440 x 3200 pixels
Pixel density

411 ppi

525 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
Internal storage

128 GB

128 GB
Memory RAM

8 GB

8 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

Quad
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

0.3 MP, f/1.0 , TOF(time of flight) 3D camera
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
DxOMark photo

-

127
DxOMark video

-

100
DxOMark camera score

-

118

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