Blackview Oscal C20 vs Ulefone Armor 21

Blackview Oscal C20
Blackview
Oscal C20
Ulefone Armor 21
Ulefone
Armor 21

At a glance

Brand
Blackview
Ulefone
Release date
September 2021, 4 years 8 months ago
May 2023, 3 years ago
AnTuTu
23.006 Antutu v8 Overall performance better than 49% of devices
411.900 Antutu v10 Overall performance better than 68% of devices

Display

Size
6.09"
6.58"
Resolution
720 x 1560 px HD+
1080 x 2408 px FHD+
Type
LCD IPS
LCD IPS
Density
282 ppi Medium Density
367 ppi High Density
Aspect ratio
19.5:9
20:9
Features
Water Drop Notch, LED Notifications, Capacitive, Multi-touch
Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Color LED Notifications, Scratch resistant, Capacitive, Multi-touch, Oleophobic coating

Performance

Chipset
Spreadtrum SC7731E (S513)
MediaTek Helio G99 (MT6789)
CPU
4x Cortex A7 1.3 GHz
2x Cortex A76 2.2 GHz + 6x Cortex A55 2.0 GHz
CPU type
Quad-Core
Octa-Core
Process
28 nm
6 nm
Frequency
1.3 GHz
2.2 GHz
GPU
ARM Mali-400 MP1
Mali-G57 MC2
RAM
1 GB
8 GB
64-bit
No
Yes
RAM type
LPDDR4X RAM

Rear camera

Resolution
5 Mpx
64 Mpx
Aperture
ƒ/ 2.0
ƒ/ 1.9
Sensor
GalaxyCore GC5035
Sony IMX686 Exmor RS
Pixel size
1.12 µm
0.80 µm
Sensor size
1/5"
1/1.7"
Flash
LED
Dual LED
Optical stabilization
No
No
Slow motion
No, 30 fps
No, 30 fps
Features
Autofocus, Touch focus, Geotagging, Panorama, HDR, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash
Digital zoom, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Front camera

Resolution
2 Mpx
16 Mpx
Aperture
ƒ/ 2.2
ƒ/ 2.2
Sensor
GalaxyCore GC02M2
Sony IMX481
Pixel size
1.75 µm
1.00 µm

Battery

Capacity
3380 mAh
9600 mAh
Type
Li-Polymer
Li-Ion
Fast charge
Yes , 5.0W
Yes , 33.0W
Features
Removable
Non-removable
Charge cycles
1000 cycles
Runtime
~ 90h

Storage

Capacity
32 GB
256 GB
SD slot
Yes , Independent SD slot
Yes , Independent SD slot
Type
UFS Storage 2.1

Body

Dimensions
73.5 mm 155.4 mm 9.5 mm Print 3D Model
81.6 mm 176.0 mm 18.1 mm Print 3D Model
Weight
156 g
400 g
Materials
Plastic
Rugged Smartphone, Polycarbonate
Colors
Black Blue Red Purple
Black
Usable surface
79 %
77 %
Water/dust resistance
IP68, IP69 , MIL-STD-810H
Drop resistance
Class A B C D E 270 drops without defects
Repairability
Class A B C D E

Software

Operating system
Android 11 Red Velvet Cake Android 11 Go edition
Android 13 Tiramisu Android 13
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 4.2 LELow energy consumption
Bluetooth 5.2 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
Wi-Fi
802.11b , 802.11g , 802.11n
802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features
Wi-Fi Hotspot
Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB features
Charging, OTG
Charging, OTG
Navigation
GPS, A-GPS, GLONASS, Beidou
GPS, A-GPS, GLONASS, Beidou, Galileo
USB
USB Type-C

Networks

3G
B1 (2100), B8 (900)
B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G
B2 (1900), B3 (1800), B5 (850), B8 (900)
CDMA BC0 (800), CDMA BC1 (1900), B2 (1900), B3 (1800), B5 (850), B8 (900)
4G LTE
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)

Sensors & security

Fingerprint
No
Yes, on the side
Accelerometer
Yes
Yes
Proximity
Yes
Yes
Light sensor
Yes
Yes
Cooling system
No
No
Gyroscope
Yes
Barometer
Yes
Compass
Yes

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    1 GB · 6.09" · Spreadtrum SC7731E (S513)
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Compared with Ulefone Armor 21

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