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Samsung Galaxy S21+ vs Samsung Galaxy S23 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
8.5
Samsung Galaxy S21+
7.1
Samsung Galaxy S23 Ultra
Samsung Galaxy S21+ Samsung Galaxy S23 Ultra
Released · Jan 29, 2021
Released · Feb 17, 2023
6.7-inch · 2400x1080px
6.8-inch · 3088x1440px
Triple camera
Quad camera
8GB · 128GB
8GB · 256GB
4800 mAh
5000 mAh
Check prices Check prices

Design

Dimensions
6.35 x 2.98 x 0.31 inches
161.5 x 75.6 x 7.8 mm 		6.43 x 3.07 x 0.35 inches (~0.42 inches with camera bump)
163.3 x 78 x 8.9 mm (~10.68 mm with camera bump)
Weight
7.13 oz (202.0 g) 8.25 oz (234.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Splash, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint 2D Face unlock, Ultrasonic in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom silver, Black, Violet Phantom Black, Cream, Green, Lavender

Display

Size
6.7-inch 6.8-inch
Resolution
2400x1080px, 20:9 ratio, 393 PPI 3088x1440px, 19.3:9 ratio, 501 PPI
Technology
Dynamic AMOLED Dynamic AMOLED
Refresh rate
120Hz (adaptive) 120Hz
Screen-to-body
88.63 % 89.87 %
Peak brightness
1300 cd/m2 (nit) 1750 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm) Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680 		Octa-core
1x3.36GHz Kryo Prime
4x2.8GHz Kryo Gold
3x2.0GHz Kryo Silve
GPU
Adreno 660 Adreno 740
RAM
8GB (LPDDR5) 8GB (LPDDR5X)
Internal storage
128GB (UFS 3.0) 256GB (UFS 4.0)
Storage expansion
not expandable not expandable
OS
Android (13, 12, 11), Samsung One UI Android (14, 13), One UI

Battery

Capacity
4800 mAh 5000 mAh
Type
Li - Polymer Li - Ion
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging Fast charging, Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W 		Wired: 45.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 26min
Browsing
10h 50min
Video
8h 27min
Gaming
8h 36min
Battery Life Estimate
7h 17min
Browsing
18h 57min
Video
8h 54min
Gaming
10h 59min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera Quad camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.76"
Pixel size: 1.8 μm 		200 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 24 mm
Sensor size: 1/1.3"
Pixel size: 0.6 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F1.8
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm 		12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Focal Length: 29 mm
Sensor size: 1/2.55"
Pixel size: 0.8 μm 		10 MP (Telephoto)
Optical zoom: 10.0x
Aperture size: F4.9
Focal Length: 230 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm
Fourth camera
10 MP (Telephoto, OIS)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 69 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS 		7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps)
OIS, HDR
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 12 MP (PDAF), Video capture: 3840x2160 (4K UHD) (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
147
Overall
150
Photo
144
Video
Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0 5.3
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E
Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2 Type-C, USB 3.2
Hearing aid compatible
M3/T3 M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer Accelerometer, Gyroscope, Compass, Barometer
Other
NFC, ANT+ NFC, Ultra Wideband (UWB)

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation, Video recording Noise cancellation

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave Bands n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM Dual Nano SIM + eSIM

Regulatory Approval

FCC approval
Date approved: Dec 18, 2020
FCC ID value: A3LSMG996U 		Date approved: Dec 08, 2023
FCC ID value: A3LSMS918U
Measured SAR
Head: 0.65 W/kg
Body: 0.95 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.04 W/kg
Phablet: 3.97 W/kg 		Head: 1.12 W/kg
Body: 0.92 W/kg
Simultaneous Transmission: 1.58 W/kg
Wireless Router: 1.16 W/kg

Buyers information

MSRP
$ 1000 $ 1200 / € 1300
In The Box
C to C Data Cable, Ejection Pin USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Jan 14, 2021 Feb 01, 2023

Alternative variants

with 256GB storage
Internal storage 256GB
MSRP $ 1050
With 12GB RAM
RAM 12GB
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU Mali G78 MP14
Weight 7.05 oz (200.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 18, 2020
FCC ID value: A3LSMG996B
Measured SAR Head: 0.24 W/kg
Body: 0.75 W/kg
Simultaneous Transmission: 3.59 W/kg
Wireless Router: 1.26 W/kg
Phablet: 1.95 W/kg
With 12GB RAM and 512GB internal storage
RAM 12GB
Internal storage 512GB
MSRP $ 1450 / € 1589
With 12GB RAM and 1TB internal storage
RAM 12GB
Internal storage 1024GB
MSRP $ 1649 / € 1749
International
5G Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
FCC OKs Cingular\'s purchase of AT&T Wireless