Phone Comparison - Samsung Galaxy S21 Ultra 5G vs Oppo Find X3 Pro vs OnePlus 9

general General Info

Manufacturer Samsung Oppo OnePlus
Announced 2021, January 14 2021, March 11 2021, March 23
Status Coming soon. Exp. release 2021, January 29 Coming soon. Exp. release 2021, March Coming soon. Exp. release 2021, March 26
Price Rs. 105,999 ($0.00) [Similarly Priced] - Rs. 49,999 ($0.00) [Similarly Priced]
Colors Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown Gloss Black, Blue, White Winter Mist, Arctic Sky, Astral Black
Form Factor Candybar Candybar Candybar
Dimension 165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
163.6 x 74 x 8.3 mm
(6.44 x 2.91 x 0.33 in)
160 x 74.2 x 8.7 mm (EU/NA)
160 x 73.9 x 8.1 mm (IN/CN)
(6.3 x 2.92 x 0.34 in (EU/NA)
6.3 x 2.91 x 0.32 in (IN/CN))
Weight 227 g (8.01 oz) 193 g (6.81 oz) 192 g (EU/NA)
183 g (IN/CN) (6.77 oz (EU/NA)
6.46 oz (IN/CN))
SIM Type Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900 & TD-SCDMA
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G Network LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 66 - International
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66 - China
LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 - IN
5G Network SA/NSA/Sub6/mmWave 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International
1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA - China
1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - NA
41, 78 SA/NSA - IN
Messaging
Build Features - Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Stylus support
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+
- Fingerprint Sensor (under display, optical)
IP68 dust/water resistant (up to 1.5m for 30 mins)
- Fingerprint Sensor (under display, optical)
Glass front (Gorilla Glass), glass back (Gorilla Glass), plastic frame

hardware Hardware and OS

OS Android 11 Android 11 Android 11
User Interface One UI 3.0 ColorOS 11 OxygenOS 11
Processor Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680, Qualcomm SM8350 Snapdragon 888 (5 nm) Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680, Qualcomm SM8350 Snapdragon 888 (5 nm)
GPU Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea Adreno 660 Adreno 660
RAM 16 GB 12 GB 12 GB
Internal Memory 512 GB 256 GB 256 GB
External Memory microSDXC (uses shared SIM slot) No No

display Display

Type QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
QHD+ LTPO Super AMOLED Screen
120Hz, refresh rate
HDR10+
800 nits (typ), 1200 nits (peak)
Corning Gorilla Glass
FHD+ Fluid AMOLED Screen
120Hz Refresh Rate
HDR10+
1100 nits (peak)
Always-on display
Colors 16M Colour 1B Colour 16M Colour
Size 6.8 inches 6.7 inches 6.55 inches
Resolution 1440 x 3200 pixels (516 ppi) 1440 x 3216 pixels (526 ppi) 1080 x 2400 pixels (402 ppi)
Screen-to-Body Ratio 89.46% 89.20% 87.16%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no no no
Radio FM radio (Snapdragon model only; market/operator dependent) No No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP 50 MP + 13 MP + 50 MP + 3 MP 48 MP + 50 MP + 2 MP
Flash LED flash Dual-LED dual-tone flash Dual-LED Flash
Features 108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
auto-HDR, panorama
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, omnidirectional PDAF, OIS
13 MP, f/2.4, 52mm (telephoto), 2x optical zoom, PDAF
50 MP, f/2.2, 110˚ (ultrawide), 1/1.56", 1.0µm, omnidirectional PDAF
3 MP, f/3.0, (macro)
HDR, panorama
48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, omnidirectional PDAF
50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm
2 MP, f/2.4, (depth)
HDR, Panorama
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS 4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video 8K@30fps, 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Front Camera 40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF
Dual video call, Auto-HDR
4K@30/60fps, 1080p@30fps [Similar]
32 MP, f/2.4, (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Auto-HDR
1080p@30fps, gyro-EIS [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth 5.2, A2DP, LE 5.1, A2DP, LE 5.2, A2DP, LE, aptX HD
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA, hotspot
USB USB Type-C 3.2, USB On-The-Go USB Type-C 3.1, USB On-The-Go USB Type-C 3.1, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS
Browser Yes Yes Yes

memory User Memory

Internal 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 256 GB, 12 GB RAM or 128 GB, 8 GB RAM UFS 3.1 256 GB, 12 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage microSDXC (uses shared SIM slot) No No
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Non-removable Li-Po Battery
Fast battery charging 65W
Fast wireless charging 30W
SuperVOOC 2.0
USB Power Delivery
Non-removable Li-Po Battery
Fast charging 65W, 1-100% in 29 min (advertised)
Fast wireless charging 15W (EU/NA only)
USB Power Delivery
Capacity 5000 mAh 4500 mAh 4500 mAh
Stand by - - -
Talk Time - - -