Samsung Galaxy S21 5G vs Samsung Galaxy Z Flip4: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy S21 5G vs Samsung Galaxy Z Flip4. The complete information of specifications to decide which to buy.

Compare
Samsung Galaxy S21 5GSamsung Galaxy S21 5GGlobal · 8GB · 128GB · SM-G991B
Samsung Galaxy Z Flip4Samsung Galaxy Z Flip4Global · 8GB · 128GB · SM-F721B
Technical data sheets

Basics
Samsung Galaxy S21 5G
Samsung Galaxy S21 5G
Global · 8GB · 128GB · SM-G991B
View datasheet
vs
Samsung Galaxy Z Flip4
Samsung Galaxy Z Flip4
Global · 8GB · 128GB · SM-F721B
View datasheet
vs

Score
Ki Cost-effective
Score		 8.5 Ki Cost-effective
Score 		8.2 Ki Cost-effective
Score
Design and Screen score 7.8Design & Materials 8.0Design & Materials
Performance and Hardware score 7.4Performance & Hardware 7.9Performance & Hardware
Camera score 8.0Camera 6.4Camera
Connectivity score 8.5 Connectivity 8.1 Connectivity
Battery score 5.5 Battery 5.0 Battery

User reviews
User score
8.6
62 reviews
8.7
8 reviews

Technical specifications of the Samsung Galaxy S21 5G vs Samsung Galaxy Z Flip4

Specs stores to buy Samsung Galaxy S21 5G Samsung Galaxy S21 5G
Global · 8GB · 128GB · SM-G991B 		Samsung Galaxy Z Flip4 price compare Samsung Galaxy Z Flip4
Global · 8GB · 128GB · SM-F721B
Inches 6.2" 6.7"
Resolution FHD+ FHD+
Usable surface 88% useful 84% useful
Aspect Ratio 20:9 21:9
Dimensions 71.2 mm
151.7 mm
7.9 mm 		71.9 mm
165.2 mm
6.9 mm
Weight 169 g 187 g
Micro Exynos 2100
Octa-Core 		SnapD. 8+ Gen1
Octa-Core
RAM 8 GB RAM 8 GB RAM
Storage 128 GB 128 GB
AnTuTu 749.100
v10 		1.050.371
v10
Battery 4000 mAh 3700 mAh
Main Camera 1
12 Mpx · ƒ/1.8
IMX555
2 3 		1
12.2 Mpx · ƒ/1.8
IMX563
2
Selfie Camera SELF 10 Mpx · ƒ/2.2 SELF 10 Mpx · ƒ/2.4
Bands
OS Android 14 Upside-down cake Android 13 Tiramisu

Brand
Brand Samsung Samsung
Aliases SM-G991B SM-F721B, Samsung Galaxy Z Flip 4

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

Design & Materials

Structure

Samsung Galaxy S21 5G
Samsung Galaxy Z Flip4
Samsung Galaxy S21 5G
Samsung Galaxy Z Flip4
Size
71.2 mm • 151.7 mm • 7.9 mm
See more details
 Print 3D Model
71.9 mm • 165.2 mm • 6.9 mm
See more details
 Print 3D Model
Weight 169 g 187 g
Usable surface 88 % 84 %
Materials Plastic, Aluminium Plastic, Glass, Aluminium
Resistance IP68 IPX8
Colors
White

Pink

Gray

Violet
Black

White

Pink

Gray

Green

Violet

Copper

Screen
Diagonal 6.2" 6.7"
Type AMOLED • Dynamic Amoled 2X Super AMOLED • Dynamic AMOLED
Aspect Ratio 20:9 21:9
Resolution FHD+
1080 x 2400 px 		FHD+
1080 x 2640 px
Density 424 Pixels per inch 426 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Peak brightness - 1300 cd/m²
  • Always-On Display
  • HDR10+
  • Scratch resistant
  • Corning Gorilla Glass Victus
  • Capacitive
  • Multi-touch
  • Frameless
  • Hole-punch Notch
  • Ultra Thin Glass (UTG)
  • Infinity Flex Display
  • External display cover glass - Corning G
  • Refresh rate 120 Hz
  • Peak brightness - 1200 cd/m²
  • TÜV Rheinland Eye Comfort Certification
  • HDR10+
  • DCI-P3
  • Scratch resistant
  • Corning Gorilla Glass Victus
  • Capacitive
  • Multi-touch
  • Frameless
  • Foldable Display

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.2
6.7
Do you think it's a nice phone?
9.4
9.8
Is it comfortable?
9.5
9.5
Can you see it well in the sunlight?
9.0
9.1
Number of reviews
62 reviews
8 reviews

Performance & Hardware

Processor
Model Samsung Exynos 2100 Qualcomm Snapdragon 8+ Gen1
CPU 1x Cortex-X1 2,91 GHz + 3x Cortex-A78 2,81 GHz + 4x Cortex-A55 2,21 GHz. 1x3.2 GHz Cortex-X2 +3x2.8 GHz Cortex-A710 + 4x2.0 GHz Cortex-A510
Type Octa-Core Octa-Core
Manufacturing 5 nm 4 nm
64 Bits Yes Yes

Graphics
GPU ARM Mali-G78 MC14 Qualcomm Adreno 730 875 MHz

RAM
RAM 8 GB 8 GB
Type RAM LPDDR5 RAM LPDDR5

Antutu
Score
749.100
Antutu v10
Overall performance better than 85% of devices
See more details
1.050.371
Antutu v10
Overall performance better than 91% of devices
See more details

Storage
Capacity 128 GB 128 GB
Type UFS Storage 3.1 UFS Storage 3.1
SD Slot No No

Security
Fingerprint Yes, in screen Yes, on the side

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

Audio

Audio
  • Dolby Atmos
  • Noise cancellation microphone
  • Stereo Speakers
  • Stereo Speakers

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

User reviews

Does it have good sound?
8.9
8.4
Does it work smoothly in everyday use?
9.1
9.5
What's your experience been with demanding games?
8.2
8.3
Number of reviews
62 reviews
8 reviews

Camera

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

Standard

Standard
Resolution 12 Mpx 12.2 Mpx
Sensor Sony IMX555 Sony IMX563
Type CMOS CMOS
Aperture ƒ/ 1.8 ƒ/ 1.8
ISO -- --
Pixel size 1.80 µm 1.40 µm
Pixel Binning -- --
Sensor size 1/1.76" 1/2.55"
2
Camera type

Wide Angle + Macro

Wide Angle lens
Resolution
12.2 Mpx
13 Mpx
Sensor
Sony IMX563
Sony IMX258
Type
CMOS
CMOS
Aperture
ƒ/ 2.2
ƒ/ --
Pixel size
1.40 µm
1.12 µm
Pixel Binning
--
--
Sensor size
1/2.55"
1/3.06"
3
Camera type

Telephoto + portrait
--
Resolution
64 Mpx
Sensor
Samsung Bright S5KGW2
Type
ISOCELL
Aperture
ƒ/ 2.0
Pixel size
0.80 µm
Pixel Binning
--
Sensor size
1/1.72"

Features
Flash LED LED
Optical Stabilisation Yes Yes
Slow Motion Video Yes,
960 fps 		Yes,
960 fps
Others
  • 4K Video
  • 8K Video
  • Digital zoom
  • Optical zoom
  • Triple camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Continuous autofocus
  • Manual focus
  • 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
  • Tracking AF
  • 4K Video
  • Digital zoom
  • Dual camera
  • Optical Stabilization (OIS)
  • Autofocus
  • Touch focus
  • Phase detection autofocus (PDAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 10 Mpx 10 Mpx
Sensor Sony IMX374 Sony IMX374
Type CMOS CMOS
Aperture ƒ/ 2.2 ƒ/ 2.4
Pixel size 1.22 µm 1.22 µm
Pixel Binning -- --
Sensor size 1/3.2" 1/3.2"
Others
--
--

DxOMark Score
DxOMark Score
111
Mobile
118
Photo
90
Video
132
Selfie
125
Photo
145
Video
112
Mobile
125
Photo
113
Video

User reviews

Quality of daytime photos
9.5
8.5
Quality of nighttime photos
8.6
7.9
Quality of selfies
8.9
8.4
Does it have a powerful flash?
9.0
8.3
Number of reviews
62 reviews
8 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)
  • n66 (1700)
  • n77 (3700)
  • n78 (3500)
  • n1 (2100)
  • n3 (1800)
  • n5 (850)
  • n7 (2600)
  • n28b (700)
  • n28a (700)
  • n41 (2500)
  • n77 (3700)
  • n78 (3500)
  • n79 (4700)
4G LTE
  • 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)
  • 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)
  • B32 (1500)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • 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)
No official network bands

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

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

Bluetooth
Version Bluetooth 5.0 LE Low energy consumption Bluetooth 5.1 LE Low energy consumption
Others
  • 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
  • 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

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS (L1+L5)
  • Galileo (E1+E5a)
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS (L1+L5)
  • GLONASS (L1)
  • BeiDou (B1)
  • Galileo (E1+E5a)

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

SAR
European measurement

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

 0.460 W/Kg on head
1.510 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
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • ANT+
  • NFC
  • Computer sync
  • OTA sync
  • Tethering.
  • ANT+
  • No official network bands
  • eSIM

User reviews

Does it have good coverage for calls?
8.9
9.3
Quality of the GPS
9.1
9.1
And the WiFi?
9.1
9.3
Number of reviews
62 reviews
8 reviews

Battery

Battery
Capacity
4000 mAh
See more details
3700 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge Yes,
25.0W 		Yes,
25.0W
Others
  • Wireless charging
  • Reverse charging
  • Non-removable
  • Bypass Charging
  • Wireless charging
  • Reverse charging
  • Non-removable

User reviews

How long does the battery last?
  • 8%
    Less than half day
  • 40%
    Less than a day
  • 37%
    One day
  • 11%
    More than one day
  • 3%
    Two days or more
  • 0%
    Less than half day
  • 13%
    Less than a day
  • 63%
    One day
  • 25%
    More than one day
  • 0%
    Two days or more
Number of reviews
62 reviews
8 reviews

Software

Software
Operating System
  • Android 14
    Android 14 Upside-down cake, 7 months ago
  • Android 13
    Android 13 Tiramisu, 1 year ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 2%
    It comes with a clean operating system
  • 87%
    It has preinstalled apps but they don't bother me
  • 12%
    It has preinstalled apps that I can't uninstall
  • 0%
    It comes with a clean operating system
  • 100%
    It has preinstalled apps but they don't bother me
  • 0%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 2%
    Once a year
  • 33%
    Every six months
  • 66%
    Every two months or less
  • 0%
    Never
  • 14%
    Once a year
  • 29%
    Every six months
  • 57%
    Every two months or less
Number of reviews
62 reviews
8 reviews
Prices
From $ 256 --
From $ 411 --

Others

Common comparisons