Samsung Galaxy S21 Ultra vs OPPO Find X3 Pro 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
Samsung Galaxy S21 Ultra OPPO Find X3 Pro
Released · Jan 29, 2021
Released · Mar 30, 2021
6.8-inch
6.7-inch
Quad camera
Quad camera
12GB · 128GB
12GB · 256GB
5000 mAh
4500 mAh
Check prices

Availability

Officially announced
Jan 14, 2021 Mar 11, 2021
Prices (MSRP)
$1200 | €1399

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)
6.43 x 2.91 x 0.33 inches
163.4 x 74 x 8.26 mm
Weight
8.04 oz (229.0 g) 6.81 oz (193.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Splash, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Phantom black, Silver Gloss Black, Blue

Display

Size
6.8-inch, 89.33% screen-to-body 6.7-inch, 89.48% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits AMOLED, 120Hz, HDR
Resolution
3200x1440px, 20:9 ratio, 516 PPI 3216x1440px, 20:9 ratio, 526 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Snapdragon 888 (5 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
Kryo 680
GPU
Adreno 660 Adreno 660
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
12GB (LPDDR5)/256GB (UFS 3.1)
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11) Android (11)

Battery

Type
5000 mAh, Li - Polymer 4500 mAh
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
SuperVOOC 2.0
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 65.0W
Wireless: 30.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
7h 27min
Gaming
9h 27min

Camera

Rear
Quad camera Quad 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
50 MP (OIS, PDAF)
Aperture size: F1.8
Sensor size: 1/1.56"
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
50 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/1.56"
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
13 MP (Ultra-wide)
Optical zoom: 5.0x
Aperture size: F2.4
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
3 MP (Macro)
Optical zoom: 60.0x
Aperture size: F3.0
Flash
LED Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
4K UHD (60 fps), 1080p
OIS, HDR, Continuous autofocus, Video light, EIS
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
32 MP

Connectivity & Features

Bluetooth
5.1 5.2
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,Wi-Fi 6,tri-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ax
USB
Type-C, USB 3.2 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
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
Other
NFC, ANT+ NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus Dolby Atmos

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, n79
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41, 46, 48 34, 38, 39, 40, 41, 42
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Date approved: Jan 20, 2021
FCC ID value: R9C-CPH2173
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
Head: 1.17 W/kg
Body: 0.47 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.05 W/kg

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz 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
FCC OKs Cingular\'s purchase of AT&T Wireless