Samsung Galaxy S21+ vs Samsung Galaxy S24 Specs Comparison

Display

Size
6.7-inch	6.2-inch
Resolution
2400 x 1080 px, 20:9 ratio, 393 PPI	2340 x 1080 px, 19.5:9 ratio, 416 PPI
Technology
Dynamic AMOLED	Dynamic AMOLED
Refresh rate
120Hz (adaptive)	120Hz
Screen-to-body
88.63 %	90.87 %
Peak brightness
1300 cd/m2 (nit)	2600 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 3 SM8650-AB (4 nm)
Processor
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit	Octa-core, 1x 3.39GHz Cortex-X4 + 3x 3.1GHz Cortex-A720 + 2x 2.9GHz Cortex-A720 + 2x 2.2GHz Cortex-A520
GPU
Adreno 660	Adreno 750
RAM
8GB (LPDDR5)	8GB
Internal storage
128GB (UFS 3.0), not expandable	128GB (UFS 3.1), not expandable
OS
Android (13, 12, 11), Samsung One UI	Android (14)
Device type
Smartphone	Smartphone

Battery

Capacity
4800 mAh	4000 mAh
Type
Li - Polymer, Not user replaceable	Li - Ion, Not user replaceable
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
Max charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 26min

Browsing

10h 50min

Video

8h 27min

Gaming

8h 36min

Battery Life Estimate

6h 37min

Browsing

16h 18min

Video

8h 20min

Gaming

10h 45min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Triple camera	Triple camera
Main camera
12 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm	50 MP (OIS, PDAF) Specifications: Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
64 MP (Telephoto, OIS, PDAF) Specifications: Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	10 MP (Telephoto, OIS) Specifications: Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 67 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Third camera
12 MP (Ultra-wide, PDAF) Specifications: Aperture size: F1.8 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 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) Features: OIS, HDR, Hyperlapse, Video light, EIS	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	12 MP, Video capture: 3840x2160 (4K UHD) (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

152

Overall

156

Photo

147

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.35 x 2.98 x 0.31 inches (161.5 x 75.6 x 7.8 mm)	5.79 x 2.78 x 0.30 inches (147 x 70.6 x 7.6mm) thickness with camera 0.35 inches (8.85 mm)
Weight
7.13 oz(202.0 g)	5.93 oz(168.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
Water, Dust; IP68	Yes; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom silver, Black, Violet	Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, mmWave, 5G Ready
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), 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+), 46, 48(3600)	Bands 38(2600), 39(1900+), 40(2300)
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

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

Connectivity & Features

Bluetooth
5.0	5.3
Wi-Fi
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 (reversible), USB 3.2, Features: Charging, Headphones port, OTG, Video out	Type-C (reversible), USB 3.2, Features: Charging, OTG
Hearing aid compatible
M3/T3
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

Regulatory Approval

FCC approval
Date approved: Dec 18, 2020 FCC ID value: A3LSMG996U	Date approved: Nov 30, 2023 FCC ID value: A3LSMS921U
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: 1.23 W/kg Body: 1.14 W/kg Simultaneous Transmission: 1.58 W/kg

Buyers information

Price
$ 1000	$ 800 / € 899
In The Box
C to C Data Cable, Ejection Pin	USB-C cable, SIM ejector tool, Paperwork

Availability

Officially announced
Jan 14, 2021	Jan 17, 2024

Links

Full specifications
Samsung Galaxy S21+ Specs	Samsung Galaxy S24 Specs
PhoneArena Review
Samsung Galaxy S21+ Review	Samsung Galaxy S24 Review
User Reviews
Samsung Galaxy S21+ User Reviews