Samsung Galaxy S21 Ultra vs OnePlus Pad 3 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.

9.1
Samsung Galaxy S21 Ultra	OnePlus Pad 3
Released · Jan 29, 2021	Expected release · Jun 08, 2025
6.8-inch · 3200x1440px	13.2-inch · 3392x2400px
Quad camera	Single camera
12GB · 128GB	12GB · 256GB
5000 mAh	12140 mAh
Check prices

Design

Dimensions
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump) 165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)	11.40 x 8.25 x 0.24 inches 289.61 x 209.66 x 5.97
Weight
8.04 oz (229.0 g)	23.81 oz (675.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Aluminum Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Other
Colors
Phantom black, Silver	Storm Blue, Frosted Silver

Display

Size
6.8-inch	13.2-inch
Resolution
3200x1440px, 20:9 ratio, 516 PPI	3392x2400px, 7:5 ratio, 315 PPI
Technology
Dynamic AMOLED	IPS LCD
Refresh rate
120Hz (adaptable)	144Hz
Screen-to-body
89.33 %	87.35 %
Peak brightness
1500 cd/m2 (nit)	900 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	Ambient light sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm)	Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680	2x4.32GHz Oryon V2 Phoenix L 6x3.53GHz Oryon V2 Phoenix M
GPU
Adreno 660	Adreno 830
RAM
12GB (LPDDR5)	12GB (LPDDR5X)
Internal storage
128GB (UFS 3.1)	256GB (UFS 4.0)
Storage expansion
not expandable
OS
Android (14, 13, 12, 11), One UI	Android (15), OxygenOS UI, up to 3 OS updates

Battery

Capacity
5000 mAh	12140 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
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 80.0W

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Battery Life Estimate

6h 20min

Browsing

15h 23min

Video

7h 41min

Gaming

11h 22min

Camera

Rear
Quad camera	Single camera
Main camera
108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm	13 MP (PDAF)
Second camera
12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 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	3840x2160 (4K UHD) (30 fps)
Front
40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	8 MP

Connectivity & Features

Bluetooth
5.1	5.4
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 7 Wi-Fi Direct
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
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope
Other
NFC, ANT+	Tethering, Computer sync, OTA sync

Multimedia

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

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, 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)
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 Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR
Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg

Buyers information

MSRP
$ 1200 / € 1399	$ 700
In The Box
C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 14, 2021	Jun 05, 2025
Scheduled release
	(Official) Jun 08, 2025

Alternative variants

with 256GB storage


Internal storage	256GB
Colors	Phantom black
MSRP	$ 1250

With 16GB RAM and 512GBinternal storage


RAM	16GB
Internal storage	512GB

with 512GB storage


RAM	16GB
Internal storage	512GB
Colors	Phantom black
MSRP	$ 1380

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	8.01 oz (227.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998B
Measured SAR	Head: 0.16 W/kg Body: 0.72 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg Phablet: 3.86 W/kg

Links

Full specifications
Samsung Galaxy S21 Ultra Specs	OnePlus Pad 3 Specs
PhoneArena Review
Samsung Galaxy S21 Ultra Review
User Reviews
Samsung Galaxy S21 Ultra User Reviews