Blackview OSCAL Marine 1 vs realme C75x

Blackview OSCAL Marine 1
Blackview
OSCAL Marine 1
realme C75x
realme
C75x

At a glance

Brand
Blackview
realme
Release date
May 2025, 1 years ago
April 2025, 1 years 1 months ago
AnTuTu
289.452 Antutu v10 Overall performance better than 61% of devices
262.145 Antutu v10 Overall performance better than 60% of devices

Display

Size
6.56"
6.67"
Resolution
720 x 1612 px HD+
720 x 1604 px HD+
Type
LCD IPS
LCD IPS
Density
269 ppi Medium Density
264 ppi Medium Density
Aspect ratio
20:9
21:9
Features
Water Drop Notch, Refresh rate 90 Hz, Brightnes 450 cd/m² (typ), Scratch resistant, Dragontrail glass, Corning Gorilla Glass 5, Panda glass, Capacitive, Multi-touch
Hole-punch Notch, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Performance

Chipset
Unisoc Tiger T615 (T7250)
MediaTek Helio G81 Ultra
CPU
2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz
2x Cortex A75 2.0 GHz + 6x Cortex A55 1.8 GHz
CPU type
Octa-Core
Octa-Core
Process
12 nm
12 nm
Frequency
1.8 GHz
2 GHz
GPU
Mali-G57 MP1
Mali-G52 MC2
RAM
4 GB
8 GB
RAM type
LPDDR4X RAM
LPDDR4X RAM
64-bit
Yes
Yes

Rear camera

Resolution
13 Mpx
50 Mpx
Aperture
ƒ/ 2.2
ƒ/ 1.8
Flash
LED
LED
Optical stabilization
No
No
Slow motion
No, 30 fps
Yes, 120 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, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Front camera

Resolution
5 Mpx
5 Mpx
Aperture
ƒ/ 2.2
ƒ/ 2.2

Battery

Capacity
5100 mAh
5600 mAh
Type
Li-Polymer
Li-Polymer
Fast charge
Yes , 10.0W
Yes , 45.0W
Charge cycles
800 cycles
Runtime
~ 50h
Features
Reverse charging, Non-removable
Non-removable

Storage

Capacity
128 GB
256 GB
Type
eMMC 5.1 Storage
eMMC 5.1 Storage
SD slot
Yes , Independent SD slot
Yes , Independent SD slot

Body

Dimensions
81.5 mm 174.7 mm 13.5 mm Print 3D Model
76.2 mm 165.7 mm 8.0 mm Print 3D Model
Weight
304 g
196 g
Materials
Rugged Smartphone, Polycarbonate
Plastic , Glass
Colors
Black Orange
Blue Pink Green
Water/dust resistance
IP68, IP69 , MIL-STD-810H
IP69
Drop resistance
Class A B C D E 278 drops without defects
Repairability
Class A B C D E
Usable surface
72 %
86 %

Software

Operating system
Android 14 Upside-down cake Doke OS4.0 (Android 14)
Android 15 RealmeUI 6.0 (Android 15)
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
Bluetooth 5.0 LELow energy consumption
Bluetooth profiles
A2DP (Advanced Audio Distribution Profile)
A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), LDAC, SBC, AAC
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
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, QZSS, Galileo

Networks

4G LTE
B3 (1800), B5 (850), B7 (2600), B8 (900), B19 (800), B20 (800), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500)
B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B13 (700), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
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)
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
Yes
No
Audio
DTS / DTS X, Stereo Speakers

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