Oppo Find X9 vs Ulefone Note 21

Oppo Find X9
Oppo
Find X9
Ulefone Note 21
Ulefone
Note 21

At a glance

Brand
Oppo
Ulefone
Release date
October 2025, 8 months ago
January 2025, 1 years 5 months ago
AnTuTu
3.756.000 Antutu v11 Overall performance better than 99% of devices
251.000 Antutu v10 Overall performance better than 59% of devices

Display

Size
6.59"
6.56"
Resolution
1256 x 2760 px QHD
720 x 1612 px HD+
Type
AMOLED
LCD IPS
Density
460 ppi Very high density
269 ppi Medium Density
Aspect ratio
19.5:9
20:9
Features
Hole-punch Notch, SGS Certified, TÜV Rheinland Flicker-free Certified, TÜV Low Blue Light, 3840 Hz PWM, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 800 cd/m² (typ), Max brightness HBM - 1800 cd/m², Peak brightness - 3600 cd/m², TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, DC dimming, 10 Bits panel, Dolby Vision, Scratch resistant, Corning Gorilla Glass 7i, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Performance

Chipset
MediaTek Dimensity 9500s
Unisoc Tiger T606
CPU
1x3,73 GHz C1 Ultra + 3x3 GHz C1 Premium + 4x2,4 GHz C1 Pro
2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type
Octa-Core
Octa-Core
Process
3 nm
12 nm
Frequency
3.73 GHz
1.6 GHz
GPU
Mali G1 Ultra 1612 MHz
ARM Mali-G57
RAM
16 GB
4 GB
RAM type
RAM LPDDR5X
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
13 Mpx
Aperture
ƒ/ 1.6
ƒ/ 2.2
Sensor
Sony LYTIA-T808
Samsung S5K3L6
Pixel size
1.12 µm
1.12 µm
Sensor size
1/1.43"
1/3.1"
Flash
Quad LED
LED
Optical stabilization
Yes
No
Slow motion
Yes, 960 fps
No, 30 fps
Features
UIS, Noise reduction, Time-Lapse, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Front camera

Resolution
32 Mpx
8 Mpx
Aperture
ƒ/ 2.4
Unknow
Sensor
Sony IMX615
Pixel size
0.80 µm

Battery

Capacity
7025 mAh
5000 mAh
Type
Si-Carbon Li-Ion
Li-Polymer
Fast charge
Yes , 80.0W
Yes , 10.0W
Wireless charging
50W Wireless charging
Charge cycles
1300 cycles
1000 cycles
Runtime
~ 69h
~ 47h
Features
Wireless charging, Reverse charging, Non-removable
Non-removable

Storage

Capacity
512 GB
128 GB
Type
UFS Storage 4.1
SD slot
No
Yes , Slot for SD or second SIM card

Body

Dimensions
73.9 mm 157.0 mm 8.0 mm Print 3D Model
75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight
203 g
196 g
Materials
Glass , Aluminium
Plastic
Colors
Black Red Gray
Black Violet
Water/dust resistance
IP68
Drop resistance
Class A B C D E 45 drops without defects
Class A B C D E 113 drops without defects
Repairability
Class A B C D E
Class A B C D E
Usable surface
91 %
84 %

Software

Operating system
Android 16 ColorOS 16 (Android 16)
Android 14 Upside-down cake Android 14
Updates
OS updates: 5 years, Security updates: 5 years
Google services
With Google Mobile Services
With Google Mobile Services

Connectivity

SIM
Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM)
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth
Bluetooth 6.0 LELow energy consumption
Bluetooth 5.0 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy)
Wi-Fi
802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB
USB Type-C
USB Type-C
USB features
Charging, OTG
Charging, OTG
Navigation
GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5), Galileo (E1+E5a+E5b)
GPS, A-GPS, GLONASS, Beidou, Galileo

Networks

5G
n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n75 (1500), n77 (3700), n78 (3500)
4G LTE
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100)
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
3G
B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
B1 (2100), B2 (1900), B5 (850), B8 (900)
2G
B2 (1900), B3 (1800), B5 (850), B8 (900)
B2 (1900), B3 (1800), B5 (850), B8 (900)

Sensors & security

Fingerprint
Yes, in screen
Yes, on the side
Accelerometer
Yes
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
Yes
No
Audio
Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones

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