Samsung Galaxy S21 5G vs Samsung Galaxy S23: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy S21 5G vs Samsung Galaxy S23. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Samsung Galaxy S21 5G
Samsung Galaxy S21 5G
Global · 8GB · 128GB · SM-G991B
View datasheet
vs
Samsung Galaxy S23
Samsung Galaxy S23
Global · 8GB · 128GB · SM-S911B
View datasheet
vs

Score

Ki Cost-effective
Score
8.6 Ki Cost-effective
Score
8.8 Ki Cost-effective
Score
Design and Screen score 7.6Design & Materials 8.0Design & Materials
Performance and Hardware score 7.4Performance & Hardware 8.1Performance & Hardware
Camera score 7.9Camera 8.4Camera
Connectivity score 8.5 Connectivity 8.6 Connectivity
Battery score 5.3 Battery 5.2 Battery

User reviews

User score
8.5
70 reviews
9.4
54 reviews

Technical specifications of the Samsung Galaxy S21 5G vs Samsung Galaxy S23

Specs stores to buy Samsung Galaxy S21 5G Samsung Galaxy S21 5G
Global · 8GB · 128GB · SM-G991B
Samsung Galaxy S23 prices Samsung Galaxy S23
Global · 8GB · 128GB · SM-S911B
Inches 6.2" 6.1"
Resolution FHD+ FHD+
Usable surface 88% useful 88% useful
Aspect Ratio 20:9 19.5:9
Dimensions 71.2 mm
151.7 mm
7.9 mm
70.9 mm
146.3 mm
7.6 mm
Weight 169 g 168 g
Micro Exynos 2100
Octa-Core
SnapD. 8 Gen2
Octa-Core
RAM 8 GB RAM 8 GB RAM
Storage 128 GB 128 GB
AnTuTu 749.100
v10
1.456.671
v10
Battery 4000 mAh 3900 mAh
Main Camera 1
12 Mpx · ƒ/1.8
IMX555
2 3
1
50 Mpx · ƒ/1.8
GN5
2 3
Selfie Camera SELF 10 Mpx · ƒ/2.2 SELF 12 Mpx · ƒ/2.2
Bands
OS Android 14 Upside-down cake Android 13 Tiramisu


About this comparison

The Samsung Galaxy S21 and S23 5G - A Comparison

In 2021, Samsung released the revolutionary new Samsung Galaxy S21 5G as an upgrade to the Galaxy S20 5G. In 2022, Samsung has followed up the S21 with the even more advanced Samsung Galaxy S23 5G. Both phones are high-end releases with incredible specs and features, so what is the difference between the two?

Design & Materials

The two flagship phones share similar designs that both have Corning Gorilla Glass Victus and an aluminium frame. But the Galaxy S21 5G has a wider 6.2 inch display while the S23 5G features a slightly smaller but still sizeable 6.1 inch display. Both have OLED panels and refresh rates of 120Hz, but the S21 5G has a peak brightness of 1300 cd/m² while the S23 5G has a maximum brightness of 1200 cd/m².

Hardware

The Samsung Galaxy S21 5G has an 8GB LPDDR6 RAM combined with a Samsung Exynos 2100 5nm processor. This setup will comfortably handle multitasking and intensive tasks as it has AnTuTu benchmark rating of 755000.

The Samsung Galaxy S23 5G has an 8GB RAM and a Qualcomm Snapdragon 8 Gen 2 4nm processor. This allows for even faster performance than the S21 5G as this phone has an AnTuTu benchmark score of 1148900.

Camera

The Samsung Galaxy S21 5G has a triple camera setup of a 12MP primary camera, a 12.2MP wide angle+macro camera, and a 64MP telephoto+portrait camera. It also has a 10MP selfie camera and optical stabilization (OIS). It is able to record video up to 8K with the addition of Ultra Wide Angle 4K HDR10+ @60fps and Dual Pixel Autofocus.

The Samsung Galaxy S23 5G is even more impressive with its 50MP primary camera, a 12.2MP wide angle lens, and a 10MP telephoto lens. It also has a 12MP selfie camera and optical stabilization (OIS). Like the S21 5G, it can record video up to 8K with the addition of optical zoom for 3x zoom and 30x digital zoom.

Connectivity

The Samsung Galaxy S21 5G has Bluetooth 5.0, dual SIM cards, NFC, WiFi 6 (802.11ax) and GPS (L1+L5).

The Samsung Galaxy S23 5G has upgraded connectivity with Bluetooth 5.3, dual SIM cards, USB host 3.0, NFC, WI-Fi 6 (802.11ax), GPS (L1+L5) and eSIM.

Battery

Both the Samsung Galaxy S21 5G and S23 5G have a 4000mAh and 3900mAh capacity battery respectively. The S21 5G can be charged with a fast charging speed of 25W and can also charge wirelessly. The S23 5G also supports fast charging of 25W and wireless charging.

Conclusion

In conclusion, the Samsung Galaxy S21 5G and S23 5G are two incredibly powerful flagship smartphones released by Samsung. The S21 5G has a 6.2 inch OLED display, 8GB RAM and an impressive triple camera setup. The S23 5G has a slightly smaller 6.1 inch OLED display, 8GB RAM and a more powerful processor and a better camera setup. Both phones have great connectivity, battery life and features. Whether you prefer the S21 5G or the S23 5G will depend on your own individual needs and preferences.

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Brand

Brand Samsung Samsung
Aliases SM-G991B SM-S911B

Release Date

Release date January 2021,
3 years ago
February 2023,
1 year ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Samsung Galaxy S21 5G
Samsung Galaxy S23
Samsung Galaxy S21 5G
Samsung Galaxy S23
Size
71.2 mm 151.7 mm 7.9 mm
Print 3D Model
70.9 mm 146.3 mm 7.6 mm
Print 3D Model
Weight 169 g 168 g
Usable surface 88 % 88 %
Materials Plastic, Aluminium Glass, Aluminium, Corning Gorilla Glass Victus 2
Resistance IP68 IP68
Colors
White

Pink

Gray

Violet
Black

White

Gray

Purple

Green

Lime

Screen

Diagonal 6.2" 6.1"
Type AMOLED Dynamic Amoled 2X AMOLED Dynamic AMOLED 2X
Aspect Ratio 20:9 19.5:9
Resolution FHD+
1080 x 2400 px
FHD+
1080 x 2340 px
Density 424 Pixels per inch 422 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
  • 48-120 Hz refresh rate
  • Refresh rate 120 Hz
  • Variable Refresh Rate (VRR)
  • Peak brightness - 1750 cd/m²
  • Max brightness HBM - 1200 cd/m²
  • 3000000:1 contrast ratio
  • Always-On Display
  • HDR10+
  • DCI-P3
  • DC dimming
  • Scratch resistant
  • Corning Gorilla Glass Victus 2
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.0
8.4
Do you think it's a nice phone?
9.2
9.6
Is it comfortable?
9.4
9.6
Can you see it well in the sunlight?
8.9
9.4
Number of reviews
70 reviews
54 reviews

Performance & Hardware

Processor

Model Samsung Exynos 2100 Qualcomm Snapdragon 8 Gen2
CPU 1x Cortex-X1 2,91 GHz + 3x Cortex-A78 2,81 GHz + 4x Cortex-A55 2,21 GHz. 1x3.2GHz Cortex-X3 + 2x2.8 GHz Cortex-A715 + 2x2.8 GHz Cortex-A710 + 3x2.02 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 740

RAM

RAM 8 GB 8 GB
Type RAM LPDDR5 --

Antutu

Score
749.100
Antutu v10
Overall performance better than 83% of devices
1.456.671
Antutu v10
Overall performance better than 94% of devices

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, in screen

Sensors

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

Audio

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

Others

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

User reviews

Does it have good sound?
8.8
9.2
Does it work smoothly in everyday use?
8.9
9.9
What's your experience been with demanding games?
8.1
9.4
Number of reviews
70 reviews
54 reviews

Camera

Main

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

Standard

Standard
Resolution 12 Mpx 50 Mpx
Sensor Sony IMX555 Samsung GN5
Type CMOS ISOCELL
Aperture ƒ/ 1.8 ƒ/ 1.8
ISO -- --
Pixel size 1.80 µm 1.00 µm
Pixel Binning -- 1-4 (2x2)
Sensor size 1/1.76" 1/1.57"
2
Camera type

Wide Angle + Macro

Wide Angle lens
Resolution
12.2 Mpx
12.2 Mpx
Sensor
Sony IMX563
Sony IMX564
Type
CMOS
CMOS
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
1.40 µm
1.40 µm
Pixel Binning
--
--
Sensor size
1/2.55"
1/2.55"
3
Camera type

Telephoto + portrait

Telephoto lens
Resolution
64 Mpx
10 Mpx
Sensor
Samsung Bright S5KGW2
Samsung S5K3K1
Type
ISOCELL
ISOCELL
Aperture
ƒ/ 2.0
ƒ/ 2.4
Pixel size
0.80 µm
1.00 µm
Pixel Binning
--
--
Sensor size
1/1.72"
1/3.9"

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
  • Night Mode 2.0
  • 4K Video
  • 8K Video
  • Digital zoom
  • Optical zoom
  • Triple camera
  • Digital image stabilization
  • 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
  • RAW

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 10 Mpx 12 Mpx
Sensor Sony IMX374 Samsung S5K3LU
Type CMOS ISOCELL
Aperture ƒ/ 2.2 ƒ/ 2.2
Pixel size 1.22 µm --
Pixel Binning -- --
Sensor size 1/3.2" --
Others
--
--

DxOMark Score

DxOMark Score
111
Mobile
118
Photo
90
Video
132
Selfie
125
Photo
145
Video
133
Mobile
-
Photo
-
Video

User reviews

Quality of daytime photos
9.3
9.3
Quality of nighttime photos
8.4
8.6
Quality of selfies
8.7
8.9
Does it have a powerful flash?
8.9
9.1
Number of reviews
70 reviews
54 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)
  • n8 (900)
  • n12 (700)
  • n20 (800)
  • n25 (1900)
  • n28b (700)
  • n28a (700)
  • n38 (2600)
  • n40 (2300)
  • n41 (2500)
  • n66 (1700)
  • n75 (1500)
  • 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)
  • 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)
  • B13 (700)
  • B17 (700)
  • B18 (800)
  • B19 (800)
  • B20 (800)
  • B25 (1900+)
  • 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)
  • 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)

SIM card

Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • 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 5.3 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
  • LDAC
  • SBC

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)
  • 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
  • USB Host 3.1

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.
  • VoLTE
  • VoWiFi
  • eSIM

User reviews

Does it have good coverage for calls?
8.9
9.3
Quality of the GPS
9.1
9.5
And the WiFi?
9.1
9.7
Number of reviews
70 reviews
54 reviews

Battery

Battery

Capacity
4000 mAh
3900 mAh
Type Li-Polymer Li-Ion
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?
  • 10%
    Less than half day
  • 43%
    Less than a day
  • 33%
    One day
  • 11%
    More than one day
  • 3%
    Two days or more
  • 2%
    Less than half day
  • 22%
    Less than a day
  • 35%
    One day
  • 39%
    More than one day
  • 2%
    Two days or more
Number of reviews
70 reviews
54 reviews

Software

Software

Operating System
  • Android 14
    Android 14 Upside-down cake, 1 year ago
  • Android 13
    Android 13 Tiramisu, 2 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 3%
    It comes with a clean operating system
  • 84%
    It has preinstalled apps but they don't bother me
  • 13%
    It has preinstalled apps that I can't uninstall
  • 4%
    It comes with a clean operating system
  • 92%
    It has preinstalled apps but they don't bother me
  • 4%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 2%
    Once a year
  • 32%
    Every six months
  • 67%
    Every two months or less
  • 0%
    Never
  • 2%
    Once a year
  • 25%
    Every six months
  • 73%
    Every two months or less
Number of reviews
70 reviews
54 reviews