Blackview Rock 1 vs Ulefone Note 21

Blackview Rock 1
Blackview
Rock 1
Ulefone Note 21
Ulefone
Note 21

At a glance

Brand
Blackview
Ulefone
Release date
December 2025, 5 months ago
January 2025, 1 years 4 months ago
AnTuTu
335.458 Antutu v11 Overall performance better than 63% of devices
251.000 Antutu v10 Overall performance better than 59% of devices

Display

Size
6.56"
6.56"
Resolution
720 x 1612 px HD+
720 x 1612 px HD+
Type
LCD IPS
LCD IPS
Density
268 ppi Medium Density
269 ppi Medium Density
Aspect ratio
20:9
20:9
Features
Hole-punch Notch, Glove touch support, Refresh rate 90 Hz, Touch sampling rate 180 Hz, Max brightness HBM - 700 cd/m², Max brightness HBM - 480 cd/m², Scratch resistant, Corning Gorilla Glass 5, Panda glass, Capacitive, Multi-touch
Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Performance

Chipset
MediaTek Helio G81 (MT6769)
Unisoc Tiger T606
CPU
2x Cortex A75 2.0 GHz + 6x Cortex A55 1.7 GHz
2x1.6 GHz Cortex A75 + 6x1.6 GHz Cortex A55
CPU type
Octa-Core
Octa-Core
Process
12 nm
12 nm
Frequency
2 GHz
1.6 GHz
GPU
ARM Mali-G52 MC2
ARM Mali-G57
RAM
8 GB
4 GB
RAM type
LPDDR4X RAM
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
16 Mpx
13 Mpx
Aperture
ƒ/ 1.8
ƒ/ 2.2
Flash
Quad LED
LED
Optical stabilization
No
No
Slow motion
Yes, 120 fps
No, 30 fps
Features
Digital zoom, Dual camera, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
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
13 Mpx
8 Mpx
Aperture
ƒ/ 2.2
Unknow

Battery

Capacity
15000 mAh
5000 mAh
Type
Li-Polymer
Li-Polymer
Fast charge
Yes , 33.0W
Yes , 10.0W
Charge cycles
800 cycles
1000 cycles
Runtime
~ 146h
~ 47h
Features
Reverse charging, Non-removable
Non-removable

Storage

Capacity
256 GB
128 GB
Type
eMMC 5.1 Storage
SD slot
Yes , Slot for SD or second SIM card
Yes , Slot for SD or second SIM card

Body

Dimensions
85.0 mm 185.5 mm 22.0 mm Print 3D Model
75.2 mm 163.2 mm 9.2 mm Print 3D Model
Weight
540 g
196 g
Materials
Rugged Smartphone, Polycarbonate , Aluminium
Plastic
Colors
Black
Black Violet
Water/dust resistance
IP68, IP69 , MIL-STD-810H
Drop resistance
Class A B C D E 270 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
68 %
84 %

Software

Operating system
Android 16 Android 16
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 5.3
Bluetooth 5.0 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile)
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, Galileo
GPS, A-GPS, GLONASS, Beidou, Galileo

Networks

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), B19 (800), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), 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), 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
Barometer
Yes
Cooling system
Yes
No
Audio
Stereo Speakers

Compared with Blackview Rock 1

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    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
    Blackview Rock 1
    Blackview Rock 2 5G
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  • Blackview
    Rock 1
    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
    Blackview Rock 1
    Blackview BV8200
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    Blackview Rock 1
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    Blackview Rock 1
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    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
    Blackview Rock 1
    Cubot KingKong ACE 2
    Cubot
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  • Blackview
    Rock 1
    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
    Blackview Rock 1
    blu G53
    blu
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  • Blackview
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    8 GB · 6.56" · MediaTek Helio G81 (MT6769)
    Blackview Rock 1
    Cubot Note 50
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Compared with Ulefone Note 21

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    4 GB · 6.56" · Unisoc Tiger T606
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