Samsung Galaxy S21+ vs realme 8 5G 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.

8.5
Samsung Galaxy S21+
Samsung Galaxy S21+ realme 8 5G
Released · Jan 29, 2021
Released · Apr 28, 2021
6.7-inch
6.5-inch
Triple camera
Triple camera
8GB · 128GB
4GB · 128GB
4800 mAh
5000 mAh
Check prices

Design

Dimensions
6.35 x 2.98 x 0.31 inches
161.5 x 75.6 x 7.8 mm
6.40 x 2.94 x 0.33 inches
162.5 x 74.8 x 8.5 mm
Weight
7.13 oz (202.0 g) 6.53 oz (185.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Phantom silver, Black, Violet Supersonic blue, Supersonic Black

Display

Size
6.7-inch 6.5-inch
Resolution
2400x1080px, 20:9 ratio, 393 PPI 2400x1080px, 20:9 ratio, 405 PPI
Technology
Dynamic AMOLED IPS LCD
Refresh rate
120Hz (adaptive) 90Hz
Screen-to-body
88.63 % 84.03 %
Peak brightness
1300 cd/m2 (nit) 600 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm) MediaTek Dimensity 700 MT6833V (7 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
2200 MHz
Cortex-A76
GPU
Adreno 660 Mali-G57
RAM
8GB (LPDDR5) 4GB (LPDDR4)
Internal storage
128GB (UFS 3.0) 128GB (UFS 2.1)
Storage expansion
not expandable microSDXC up to 1024 GB
OS
Android (13, 12, 11), Samsung One UI Android (11), Realme 2.0 UI

Battery

Capacity
4800 mAh 5000 mAh
Type
Li - Polymer Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging Fast charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 18.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 26min
Browsing
10h 50min
Video
8h 27min
Gaming
8h 36min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Triple camera Triple 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
48 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
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
2 MP (Macro)
Aperture size: F3.4
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
2 MP (Black and White)
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)
OIS, HDR, Hyperlapse, Video light, EIS
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
Time-lapse video
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 16 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.1
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,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2 Type-C, USB 2.0
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+

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
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, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, SA, NSA
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), 5(850), 7(2600), 8(900), 28(700 APT)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 5(850), 6(800), 8(900), 19(800)
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
No
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 18, 2020
FCC ID value: A3LSMG996U
Date approved: Mar 30, 2021
FCC ID value: 2AUYFRMX3241
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: 1.15 W/kg
Body: 0.43 W/kg
Simultaneous Transmission: 1.47 W/kg
Wireless Router: 0.90 W/kg

Buyers information

MSRP
$ 1000 € 200
In The Box
C to C Data Cable, Ejection Pin USB Type-C Cable, 9V2A Charge Adapter, SIM Card Needle, Screen Protect Film, Protect Case, Quick Start Guide, Important Product Information (including the Warranty Card)

Availability

Officially announced
Jan 14, 2021 Apr 21, 2021

Alternative variants

with 256GB storage
Internal storage 256GB
MSRP $ 1050
With 8GB RAM
RAM 8GB
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
FCC OKs Cingular\'s purchase of AT&T Wireless