Oppo A77 5G vs Samsung Galaxy S21 Ultra: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Oppo A77 5G vs Samsung Galaxy S21 Ultra. The complete information of specifications to decide which to buy.

Compare
Oppo A77 5GOppo A77 5GInternational · 6GB · 128GB
Samsung Galaxy S21 UltraSamsung Galaxy S21 UltraGlobal · 12GB · 128GB · SM-G998B
Technical data sheets

Basics
Oppo A77 5G
Oppo A77 5G
International · 6GB · 128GB
View datasheet
vs
Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
Global · 12GB · 128GB · SM-G998B
View datasheet
vs

Score
Ki Cost-effective
Score		 7.5 Ki Cost-effective
Score 		8.9 Ki Cost-effective
Score
Design and Screen score 6.6Design & Materials 8.2Design & Materials
Performance and Hardware score 6.5Performance & Hardware 7.6Performance & Hardware
Camera score 5.5Camera 8.7Camera
Connectivity score 8.0 Connectivity 8.4 Connectivity
Battery score 7.8 Battery 8.0 Battery

User reviews
User score
--
1 review
9.0
79 reviews

Technical specifications of the Oppo A77 5G vs Samsung Galaxy S21 Ultra

Specs Oppo A77 5G prices Oppo A77 5G
International · 6GB · 128GB 		stores to buy Samsung Galaxy S21 Ultra Samsung Galaxy S21 Ultra
Global · 12GB · 128GB · SM-G998B
Inches 6.56" 6.8"
Resolution HD+ WQHD+
Usable surface 84% useful 89% useful
Aspect Ratio 20:9 20:9
Dimensions 75.1 mm
163.8 mm
8.0 mm 		75.6 mm
165.1 mm
8.9 mm
Weight 190 g 227 g
Micro Dimensity 810
Octa-Core 		Exynos 2100
Octa-Core
RAM 6 GB RAM 12 GB RAM
Storage 128 GB 128 GB
AnTuTu 438.700
v10 		749.000
v10
Battery 5000 mAh 5000 mAh
Main Camera 1
48 Mpx · ƒ/1.7

2 		1
108 Mpx · ƒ/1.8
S5KHM3
2 3 4
Selfie Camera SELF 8 Mpx · ƒ/2.0 SELF 44 Mpx · ƒ/2.2
Bands
OS Android 12 Snow Cone Android 14 Upside-down cake

Brand
Brand Oppo Samsung
Aliases CPH2339 SM-G998B

Release Date
Release date June 2022,
1 year ago 		January 2021,
3 years ago
State On Sale On Sale
Market International Global

Design & Materials

Structure

Oppo A77 5G
Samsung Galaxy S21 Ultra
Oppo A77 5G
Samsung Galaxy S21 Ultra
Size
75.1 mm • 163.8 mm • 8.0 mm
See more details
 Print 3D Model
75.6 mm • 165.1 mm • 8.9 mm
See more details
 Print 3D Model
Weight 190 g 227 g
Usable surface 84 % 89 %
Materials Plastic Glass, Aluminium
Resistance IP54 IP68
Colors
Black

Blue
Black

Silver

Gray

Brown

Screen
Diagonal 6.56" 6.8"
Type LCD IPS AMOLED • Dynamic Amoled 2x
Aspect Ratio 20:9 20:9
Resolution HD+
720 x 1612 px 		WQHD+
1440 x 3200 px
Density 269 Pixels per inch 516 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Refresh rate 90 Hz
  • Brightnes 480 cd/m² (typ)
  • Max brightness HBM - 600 cd/m²
  • 1500:1 contrast ratio
  • DCI-P3
  • Full sRGB standard
  • 70% NTSC
  • 96% NTSC
  • Scratch resistant
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Peak brightness - 1500 cd/m²
  • Always-On Display
  • HDR10+
  • Scratch resistant
  • Dual Edge display
  • Corning Gorilla Glass Victus
  • S-Pen
  • Capacitive
  • Multi-touch
  • Frameless
  • LTPO (Low Temperature PolySilicon oxide)

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
--
8.4
Do you think it's a nice phone?
--
9.5
Is it comfortable?
--
8.6
Can you see it well in the sunlight?
--
9.2
Number of reviews
--
79 reviews

Performance & Hardware

Processor
Model MediaTek Dimensity 810 (MT6873) Samsung Exynos 2100
CPU 2x Cortex-A76 2.4 GHz + 6x Cortex-A55 2.0 GHz 1x Cortex-X1 2,91 GHz + 3x Cortex-A78 2,81 GHz + 4x Cortex-A55 2,21 GHz.
Type Octa-Core Octa-Core
Manufacturing 6 nm 5 nm
64 Bits Yes Yes

Graphics
GPU Mali-G57 MC2 ARM Mali-G78 MC14

RAM
RAM 6 GB 12 GB
Type LPDDR4X RAM RAM LPDDR5

Antutu
Score
438.700
Antutu v10
Overall performance better than 75% of devices
See more details
749.000
Antutu v10
Overall performance better than 85% of devices
See more details

Storage
Capacity 128 GB 128 GB
Type UFS Storage 2.2 UFS Storage 3.1
SD Slot Yes ,
Slot for SD or second SIM card 		No

Security
Fingerprint Yes, on the side Yes, in screen

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Gyroscope
  • Gravity
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Hall
  • Geomagnetic

Audio

Audio
  • Stereo Speakers
  • Dolby Atmos
  • Hi-Res Audio
  • Noise cancellation microphone
  • Stereo Speakers

Others
Notifications LED -- --
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
--
9.5
Does it work smoothly in everyday use?
--
9.5
What's your experience been with demanding games?
--
9.0
Number of reviews
--
79 reviews

Camera

Main
No. of cameras Double rear camera Quad rear camera
1
Camera type

Standard

Standard
Resolution 48 Mpx 108 Mpx
Sensor Unknown Samsung S5KHM3
Type CMOS ISOCELL
Aperture ƒ/ 1.7 ƒ/ 1.8
ISO -- --
Pixel size -- 0.80 µm
Pixel Binning -- 1-9 (3x3)
Sensor size -- 1/1.33"
2
Camera type

Portrait mode (depth)

Wide Angle + Macro
Resolution
2 Mpx
12.2 Mpx
Sensor
Unknown
Sony IMX563
Type
--
CMOS
Aperture
ƒ/ 2.4
ƒ/ 2.2
Pixel size
--
1.40 µm
Pixel Binning
--
--
Sensor size
--
1/2.55"
3
Camera type
--

Telephoto + portrait
Resolution
10 Mpx
Sensor
Samsung S5K3J1
Type
ISOCELL
Aperture
ƒ/ 2.4
Pixel size
1.22 µm
Pixel Binning
--
Sensor size
1/2.65"
4
Camera type
--

Telephoto lens
Resolution
10 Mpx
Sensor
Samsung S5K3J1
Type
ISOCELL
Aperture
ƒ/ 4.9
Pixel size
1.22 µm
Pixel Binning
--
Sensor size
1/2.65"

Features
Flash LED LED
Optical Stabilisation No Yes
Slow Motion Video Yes,
120 fps 		Yes,
960 fps
Others
  • Dual camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Manual focus
  • Phase detection autofocus (PDAF)
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 4K Video
  • 8K Video
  • Digital zoom
  • Optical zoom
  • Quadruple camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous autofocus
  • Manual focus
  • Laser AF
  • Phase detection autofocus (PDAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW
  • Night Mode

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 8 Mpx 44 Mpx
Sensor Unknown Samsung S5KGH1
Type -- ISOCELL
Aperture ƒ/ 2.0 ƒ/ 2.2
Pixel size -- 0.70 µm
Pixel Binning -- 1-4 (2x2)
Sensor size -- 1/2.65"
Others
--
--

DxOMark Score
DxOMark Score
53
Mobile
76
Photo
38
Video
115
Mobile
121
Photo
100
Video
135
Selfie
133
Photo
140
Video

User reviews

Quality of daytime photos
--
9.5
Quality of nighttime photos
--
8.5
Quality of selfies
--
9.2
Does it have a powerful flash?
--
9.3
Number of reviews
--
79 reviews

Connectivity

Network compatibility

5G
  • n1 (2100)
  • n3 (1800)
  • n5 (850)
  • n7 (2600)
  • n8 (900)
  • n20 (800)
  • n28b (700)
  • n28a (700)
  • n38 (2600)
  • n40 (2300)
  • n41 (2500)
  • n77 (3700)
  • n78 (3500)
  • n1 (2100)
  • n3 (1800)
  • n5 (850)
  • n7 (2600)
  • n8 (900)
  • n20 (800)
  • n28b (700)
  • n28a (700)
  • n38 (2600)
  • n40 (2300)
  • n41 (2500)
  • n66 (1700)
  • n77 (3700)
  • n78 (3500)
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B25 (1900+)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B32 (1500)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B6 (800)
  • B8 (900)
  • B19 (800)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • WiFi 6 (802.11ax)
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO

Bluetooth
Version Bluetooth 5.3 LE Low energy consumption Bluetooth 5.2 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • APT-x
  • LDAC
  • SBC
  • AAC
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • LE (Low Energy)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • ANT+
  • APT-x
  • SBC

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • QZSS
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS (L1+L5)
  • Galileo (E1+E5a)

USB
USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • USB Host 3.1

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 -- 0.710 W/Kg on head
1.580 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- --

Others
Others
  • NFC
  • Audio Jack
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • NFC
  • OTA sync
  • Tethering.

User reviews

Does it have good coverage for calls?
--
9.2
Quality of the GPS
--
9.1
And the WiFi?
--
9.3
Number of reviews
--
79 reviews

Battery

Battery
Capacity
5000 mAh
See more details
5000 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge Yes,
33.0W 		Yes,
25.0W
Others
  • Non-removable
  • Wireless charging
  • Reverse charging
  • Non-removable

User reviews

How long does the battery last?
--
  • 3%
    Less than half day
  • 12%
    Less than a day
  • 42%
    One day
  • 33%
    More than one day
  • 10%
    Two days or more
Number of reviews
--
79 reviews

Software

Software
Operating System
  • ColorOS 12.1 (Android 12)
    Android 12 Snow Cone, 3 years ago
  • Android 14
    Android 14 Upside-down cake, 7 months ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
--
  • 3%
    It comes with a clean operating system
  • 82%
    It has preinstalled apps but they don't bother me
  • 16%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
--
  • 0%
    Never
  • 1%
    Once a year
  • 33%
    Every six months
  • 65%
    Every two months or less
Number of reviews
--
79 reviews
Prices
From $ 140 --
From $ 288 --

Others

Common comparisons