Samsung Galaxy S21+ vs Samsung Galaxy A55 5G Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

8.5
Samsung Galaxy S21+
5.8
Samsung Galaxy A55 5G
Samsung Galaxy S21+ Samsung Galaxy A55 5G
Released · Jan 29, 2021
Released · Mar 20, 2024
6.7-inch · 2400 x 1080 px
6.6-inch · 2400 x 1080 px
12 MP Main · 10 MP Selfie
50 MP Main · 32 MP Selfie
8GB · 128GB
8GB · 128GB
4800 mAh
5000 mAh
Check prices Check prices

Display

Size
6.7-inch 6.6-inch
Resolution
2400 x 1080 px, 20:9 ratio, 393 PPI 2400 x 1080 px, 20:9 ratio, 399 PPI
Technology
Dynamic AMOLED Super AMOLED
Refresh rate
120Hz (adaptive) 120Hz
Screen-to-body
88.63 % 84.30 %
Peak brightness
1300 cd/m2 (nit) 550 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), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm) Exynos 1480 (5 nm)
Processor
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit Octa-core, 4x 2.7GHz Cortex-A78 + 4x 2.0GHz Cortex-A55
GPU
Adreno 660 Yes
RAM
8GB (LPDDR5) 8GB
Internal storage
128GB (UFS 3.0), not expandable 128GB
Storage expansion
microSDXC
OS
Android (13, 12, 11), Samsung One UI Android (14)
Device type
Smartphone Smartphone

Battery

Capacity
4800 mAh 5000 mAh
Type
Li - Polymer, Not user replaceable 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
Max charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 25.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 26min
Browsing
10h 50min
Video
8h 27min
Gaming
8h 36min
Battery Life Estimate
6h 36min
Browsing
17h 7min
Video
8h 15min
Gaming
9h 39min

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, Autofocus)
Specifications:
Aperture size: F1.8
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
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Sensor size: 1/3.06"
Pixel size: 1.12 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
5 MP (Macro)
Specifications:
Aperture size: F2.4
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
3840x2160 (4K UHD) (30 fps)
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 32 MP, Video capture: 3840x2160 (4K UHD) (30 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
132
Overall
140
Photo
123
Video

Design

Dimensions
6.35 x 2.98 x 0.31 inches
(161.5 x 75.6 x 7.8 mm)
6.34 x 3.05 x 0.00 inches
(161.1 x 77.4 8.2 mm)
Weight
7.13 oz(202.0 g) 7.51 oz(213.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Back: Glass (Corning Gorilla Glass)
Frame: Plastic
Resistance
Water, Dust; IP68 Yes; IP67
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint In-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom silver, Black, Violet Iceblue, Lilac, Navy, Lemon

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave Bands 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)
4G (TDD)
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)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM 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 Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, Headphones port, OTG, Video out Type-C (reversible), Features: Charging
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer Accelerometer, Gyroscope, Compass
Other
NFC, ANT+ NFC

Regulatory Approval

FCC approval
Date approved: Dec 18, 2020
FCC ID value: A3LSMG996U
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

Buyers information

Price
$ 1000 $ 489
In The Box
C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 14, 2021 Mar 11, 2024
FCC OKs Cingular\'s purchase of AT&T Wireless