Oppo A6 vs Ulefone Note 21

Oppo A6
Oppo
A6
Ulefone Note 21
Ulefone
Note 21

At a glance

Brand
Oppo
Ulefone
Release date
December 2025, 6 months ago
January 2025, 1 years 5 months ago
AnTuTu
347.480 Antutu v10 Overall performance better than 63% of devices
251.000 Antutu v10 Overall performance better than 59% of devices

Display

Size
6.75"
6.56"
Resolution
720 x 1570 px HD+
720 x 1612 px HD+
Type
PLS
LCD IPS
Density
256 ppi Medium Density
269 ppi Medium Density
Aspect ratio
20:9
20:9
Features
Hole-punch Notch, Refresh rate 120 Hz, Brightnes 800 cd/m² (typ), Max brightness HBM - 1100 cd/m², HDR10+, DCI-P3, sRGB standard, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless
Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Performance

Chipset
Qualcomm Snapdragon 685 (SM6225)
Unisoc Tiger T606
CPU
4x2.8 GHz Cortex A73 + 4x1.9GHz Cortex A53
2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type
Octa-Core
Octa-Core
Process
6 nm
12 nm
Frequency
2.8 GHz
1.6 GHz
GPU
Adreno 610
ARM Mali-G57
RAM
8 GB
4 GB
RAM type
LPDDR4X RAM
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
50 Mpx
13 Mpx
Aperture
ƒ/ 1.8
ƒ/ 2.2
Flash
LED
LED
Optical stabilization
No
No
Slow motion
Yes, 120 fps
No, 30 fps
Features
Digital zoom, Dual camera, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash
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
Sensor
Samsung S5K3L6
Pixel size
1.12 µm
Sensor size
1/3.1"

Front camera

Resolution
8 Mpx
8 Mpx
Aperture
ƒ/ 2.0
Unknow

Battery

Capacity
7000 mAh
5000 mAh
Type
Li-Ion
Li-Polymer
Fast charge
Yes , 45.0W
Yes , 10.0W
Features
Non-removable
Non-removable
Charge cycles
1000 cycles
Runtime
~ 47h

Storage

Capacity
256 GB
128 GB
Type
UFS Storage 2.2
SD slot
Yes , Slot for SD or second SIM card
Yes , Slot for SD or second SIM card

Body

Dimensions
78.5 mm 166.6 mm 8.6 mm Print 3D Model
75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight
215 g
196 g
Materials
Plastic , Splash resistant design
Plastic
Colors
Blue Gold
Black Violet
Water/dust resistance
IP64
Usable surface
85 %
84 %
Drop resistance
Class A B C D E 113 drops without defects
Repairability
Class A B C D E

Software

Operating system
Android 15 ColorOS 15 (Android 15)
Android 14 Upside-down cake Android 14
Google services
With Google Mobile Services
With Google Mobile Services

Connectivity

SIM
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth
Bluetooth 5.0 LELow energy consumption
Bluetooth 5.0 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), APT-x, 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
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
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, A-GPS, GLONASS, Beidou, Galileo

Networks

4G LTE
B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
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), B5 (850), B8 (900)
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, on the side
Yes, on the side
Accelerometer
Yes
Yes
Gyroscope
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
No
No
Audio
Stereo Speakers

Compared with Oppo A6

  • Oppo
    A6
    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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  • Oppo
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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  • Oppo
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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    Alcatel V3 Ultra
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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    Poco F6
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  • Oppo
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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    Samsung Galaxy Z Flip6
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  • Oppo
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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    Vivo S17 Pro
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  • Oppo
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    8 GB · 6.75" · Qualcomm Snapdragon 685 (SM6225)
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    Xiaomi Redmi 12R
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Compared with Ulefone Note 21

  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
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    Ulefone Rugking 4 Pro
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  • Ulefone
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    4 GB · 6.56" · Unisoc Tiger T606
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    Ulefone Armor X31 Pro 5G
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    8 GB · 6.56" · MediaTek Dimensity 6300
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  • Ulefone
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    4 GB · 6.56" · Unisoc Tiger T606
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    Ulefone Armor 23 Ultra
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    12 GB · 6.78" · МеdiаТеk Dimеnsity 8020
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  • Ulefone
    Note 21
    4 GB · 6.56" · Unisoc Tiger T606
    Ulefone Note 21
    lava Bold N1
    lava
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  • Ulefone
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    4 GB · 6.56" · Unisoc Tiger T606
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    Alcatel V3 Ultra
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    6 GB · 6.78" · MediaTek Dimensity 6300
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  • Ulefone
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    4 GB · 6.56" · Unisoc Tiger T606
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    Xiaomi Redmi K80
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  • Ulefone
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    4 GB · 6.56" · Unisoc Tiger T606
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  • Ulefone
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    4 GB · 6.56" · Unisoc Tiger T606
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  • Ulefone
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    4 GB · 6.56" · Unisoc Tiger T606
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