Samsung Galaxy S21 5G vs Samsung Galaxy S23 Ultra

Network
2G network

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

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

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
5G network

5G band SA/NSA/Sub6/mmWave

5G band 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA; SA/NSA/Sub6 - global version
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
LTE speed

LTE-A (CA), 2000 Mbps download, 200 Mbps upload

LTE-A (7CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2021-01

2023-02
Status

2021-01

2023-02

Design
Build

Glass front (Gorilla Glass Victus), plastic back, aluminum frame

Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM

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

Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)
Height

151.7 mm

163.4 mm
Width

71.2 mm

78.1 mm
Thickness

7.9 mm

8.9 mm
Weight

169 (Sub6) / 171 (mmWave) g

234 g
Stylus

-

Yes
Payment

Samsung Pay (Visa, MasterCard certified)

Samsung Pay (Visa, MasterCard certified)
Waterproof

IP68 (1.5m and 30 mins)

IP68 (1.5m and 30 mins)
Dust proof

IP68

IP68
Build features

-

Armor aluminum frame with tougher drop and scratch resistance
Colors

Gray, Pink, Violet, White

Black, Blue, Cream, Green, Graphite, Lavender, Lime, Red, BMW M Edition

Display
Display type

Dynamic AMOLED 2X

Dynamic AMOLED 2X
Physical size

6.2 inches

6.8 inches
Resolution

1080 x 2400 pixels

1440 x 3088 pixels
Pixel density

421 ppi

500 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass Victus

Scratch resistant, Corning Gorilla Glass Victus 2
Display features

120Hz, HDR10+, 1300 nits (peak), Infinity-O display, Always-On display

120Hz, HDR10+, 1750 nits (peak), Always-on display

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.9 GHz Cortex-X1

Single-core 3.36 GHz Cortex-X3
CPU(second)

Triple-core 2.80 GHz Cortex-A78

dual-core 2.8 GHz Cortex-A715
CPU(third)

Quad-core 2.2 GHz Cortex-A55

Dual-core 2.8 GHz Cortex-A710
CPU(fourth)

Triple-core 2.0 GHz Cortex-A510
Chipset

Exynos 2100

Qualcomm SM8550-AC Snapdragon 8 Gen 2
GPU

Mali-G78 MP14

Adreno 740
Memory RAM

8 GB

8, 12 GB
Internal storage

128, 256 GB

256, 512, 1024 GB
Memory card

No

No
Storage

UFS 3.X

UFS 4.0

OS
OS

Android 11, One UI 3.1

Android 13, One UI 5.1

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm

(wide) , 200 MP, f/1.7 , 24 mm, 1/1.3" , 0.6 µm, 85˚ , 100x digital zoom
(telephoto) , 64 MP, f/2.0 , 29 mm, 1/1.72" , 0.8 µm, 1.1x optical zoom , 3x hybrid zoom

(periscope telephoto) , 10 MP, f/4.9 , 230 mm, 1/3.52" , 1.12 µm, 10x optical zoom
120˚ , (ultrawide) , 12 MP, f/2.2 , 13 mm, 1/2.55" , 1.4 µm

(telephoto) , 10 MP, f/2.4 , 70 mm, 1/3.52" , 1.12 µm, 3x optical zoom
(ultrawide) , 12 MP, f/2.2 , 120˚ , 13 mm, 1/2.55" , 1.4 µm
Primary camera resolution

4032 x 3024 pixels

-
Primary camera video

8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS

8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

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

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, laser autofocus, expert RAW, astro hyperlapse, adaptive VDIS
DxOMark photo

123

-
DxOMark zoom

77

-
DxOMark video

93

-
DxOMark camera score

116

-

Selfie camera
Selfie camera

(wide) , 10 MP, f/2.2 , 80˚ , 26 mm, 1/3.24" , 1.22 µm

(wide) , 12 MP, f/2.2 , 80˚ , 26 mm
Selfie camera resolution

3648 x 2736 pixels

-
Selfie camera features

Autofocus, HDR, phase detection autofocus

Autofocus, HDR, phase detection autofocus
Selfie camera video

4K@30/60fps, 1080p@30fps

4K@30/60fps, 1080p@30fps
DxOMark photo

100

-
DxOMark video

95

-
DxOMark camera score

98

-

Sound
3.5mm jack

No

No
Loudspeaker

Yes, with stereo speakers

Yes, with stereo speakers
Earpiece

Yes

Yes

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6E

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6E
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
WiFi Tri-Band

-

Yes
USB

Type-C 3.2

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity