OnePlus 9 vs Samsung Galaxy S21 Ultra Specs Comparison

Design

Dimensions
6.30 x 2.92 x 0.34 inches 160 x 74.2 x 8.7 mm	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)
Weight
6.77 oz (192.0 g)	8.04 oz (229.0 g)
Materials
Back: Glass (Corning Gorilla Glass) Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key, Other	Right: Volume control, Lock/Unlock key
Colors
Winter Mist, Arctic Sky, Astral Black	Phantom black, Silver

Display

Size
6.5-inch	6.8-inch
Resolution
2400x1080px, 20:9 ratio, 402 PPI	3200x1440px, 20:9 ratio, 516 PPI
Technology
AMOLED	Dynamic AMOLED
Refresh rate
120Hz	120Hz (adaptable)
Screen-to-body
87.27 %	89.33 %
Peak brightness
	1500 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass), 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)	Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 2840 MHz Kryo 680	Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 660	Adreno 660
RAM
8GB (LPDDR5)	12GB (LPDDR5)
Internal storage
128GB (UFS 3.1)	128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (11), OxygenOS UI	Android (14, 13, 12, 11), One UI

Battery

Capacity
4500 mAh	5000 mAh
Type
	Li - Polymer
Charging
OnePlus Warp Charge, Qi wireless charging	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 65.0W Wireless: 15.0W	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 50min

Browsing

11h 29min

Video

9h 16min

Gaming

9h 6min

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 1.12 μm	108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm
Second camera
50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"	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
2 MP (Black and White)	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
Dual LED	LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) HDR, Continuous autofocus, EIS	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
Front
16 MP (EIS)	40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.2	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,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	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	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC	NFC, ANT+

Multimedia

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

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78	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), 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), 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), 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)	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), 9(1700), 19(800)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 24, 2021 FCC ID value: 2ABZ2-EF136	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR
Head: 1.20 W/kg Body: 0.78 W/kg Simultaneous Transmission: 1.48 W/kg Wireless Router: 1.18 W/kg	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
$ 729	$ 1200 / € 1399
In The Box
Warp Charge 65 Power Adapter, Warp Charge Type-C to Type-C Cable, Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, OnePlus Sticker, SIM Tray Ejector	C to C Data Cable, Ejection Pin

Availability

Officially announced
Mar 23, 2021	Jan 14, 2021

Alternative variants

With 12GB RAM and 256GB storage

RAM	12GB
Internal storage	256GB
MSRP	$ 829

with 256GB storage

Internal storage	256GB
Colors	Phantom black
MSRP	$ 1250

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
OnePlus 9 Specs	Samsung Galaxy S21 Ultra Specs
PhoneArena Review
OnePlus 9 Review	Samsung Galaxy S21 Ultra Review
User Reviews
OnePlus 9 User Reviews	Samsung Galaxy S21 Ultra User Reviews