Samsung Galaxy S21+ vs OnePlus 12 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+
7.5
OnePlus 12
Samsung Galaxy S21+ OnePlus 12
Released · Jan 29, 2021
Released · Dec 11, 2023
6.7-inch
6.8-inch
Triple camera
Triple camera
8GB · 128GB
12GB · 256GB
4800 mAh
5400 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
6.47 x 2.98 x 0.36 inches
164.3 x 75.8 x 9.15 mm
Weight
7.13 oz (202.0 g) 7.76 oz (220.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Back: Glass
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP65
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key
Colors
Phantom silver, Black, Violet Green, Black, White

Display

Size
6.7-inch 6.8-inch
Resolution
2400x1080px, 20:9 ratio, 393 PPI 3168x1440px, 20:9 ratio, 510 PPI
Technology
Dynamic AMOLED AMOLED
Refresh rate
120Hz (adaptive) 120Hz
Screen-to-body
88.63 % 90.88 %
Peak brightness
1300 cd/m2 (nit) 4500 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor 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
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
1x 3.3GHz Cortex-X4 + 5x 3.2GHz Cortex-A720 + 2x 2.3GHz Cortex-A520
GPU
Adreno 660 Adreno 750
RAM
8GB (LPDDR5) 12GB (LPDDR5X)
Internal storage
128GB (UFS 3.0) 256GB (UFS 4.0)
Storage expansion
not expandable
OS
Android (13, 12, 11), Samsung One UI Android (14)

Battery

Capacity
4800 mAh 5400 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, Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 100.0W
Wireless: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 26min
Browsing
10h 50min
Video
8h 27min
Gaming
8h 36min
Battery Life Estimate
8h 23min
Browsing
18h 14min
Video
13h 37min
Gaming
9h 43min

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
50 MP (OIS, PDAF)
Aperture size: F1.6
Focal length: 23 mm
Sensor size: 1/1.43"
Pixel size: 1.12 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
48 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2"
Pixel size: 0.8 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
64 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.6
Focal Length: 70 mm
Sensor size: 1/2"
Pixel size: 0.7 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) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 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
145
Overall
152
Photo
139
Video

Connectivity & Features

Bluetooth
5.0 5.4
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 7
Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2 Type-C, USB 3.2
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
Other
NFC, ANT+ NFC

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, n2, n3, n5, n7, n8, n12, n20, n25, n28, n30, n38, n40, n41, n66, n71, n77, n78, 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), 30(2300 WCS), 32(1500 L-band), 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+), 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

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

MSRP
$ 1000 $ 799 / € 969
In The Box
C to C Data Cable, Ejection Pin Phone, USB Type-C cable, SIM ejector tool, Papers

Availability

Officially announced
Jan 14, 2021 Dec 05, 2023

Alternative variants

with 256GB storage
Internal storage 256GB
MSRP $ 1050
With 16GB RAM and 512GB internal storage
RAM 16GB
Internal storage 512GB
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 16GB RAM and 1TB internal storage
RAM 16GB
Internal storage 1024GB
With 24GB RAM and 1TB internal storage
RAM 24GB
Internal storage 1024GB
FCC OKs Cingular\'s purchase of AT&T Wireless