Side-by-side technical data
Blackview Oscal FLAT 3C vs Blackview OSCAL Marine 3
Comparison between Blackview Oscal FLAT 3C and Blackview OSCAL Marine 3: camera, battery, fast charging, display, performance and colors, side by side. More phones from Blackview.
NeoTeo's verdict
Which of the two is the better buy
The Blackview OSCAL Marine 3 is the more complete choice: it delivers higher performance, stronger protection, and faster charging. The Blackview Oscal FLAT 3C suits buyers who value lower weight, a thinner body, and a 32 MP main camera instead of 16 MP.
The Marine 3 has a clear performance lead with an AnTuTu score of 235,000 versus 138,000, 8 GB of RAM versus 4 GB, and 256 GB of storage versus 64 GB. It also has a rugged build with IP68, IP69, and MIL-STD-810H, while the FLAT 3C has IP54. Both share a 6.56″ IPS LCD, 720 × 1,612 px resolution, and a 90 Hz refresh rate.
The FLAT 3C is easier to handle: it weighs 199 g versus 245 g, is 8.8 mm thick versus 10.7 mm, and uses 82% of the front surface versus 71%. The Marine 3 counters with a 5,000 mAh battery in both phones, 18 W charging versus 10 W, Bluetooth 5.2 versus 5.0, and NFC; the trade-off is its non-removable battery.
Blackview Oscal FLAT 3C
The Blackview OSCAL Marine 3 is the better buy for performance and protection, with 235,000 AnTuTu points and IP68 resistance.
Blackview OSCAL Marine 3
The Blackview Oscal FLAT 3C is the better buy for buyers who value lightness, weighing 199 g versus 245 g with an 8.8 mm body.
The verdict
Your pick: Blackview OSCAL Marine 3, ahead on Design & display, Performance & hardware, Connectivity and Battery & charging.
| Category | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Design & display | 4.3 | 4.6 |
| Performance & hardware | 2.5 | 3.7 |
| Camera | 3.2 | 3.0 |
| Connectivity | 5.1 | 5.7 |
| Battery & charging | 5.1 | 6.0 |
Which one is for you?
Blackview Oscal FLAT 3C, if you care about…
- Weight
- 199 g
- against 245 g
- Usable Surface
- 82 %
- against 71 %
- Body Thickness
- 8.8 mm
- against 10.7 mm
Blackview OSCAL Marine 3, if you care about…
- AnTuTu Score
- 235,000
- against 138,000
- RAM Capacity
- 8 GB
- against 4 GB
- Bluetooth Version
- Bluetooth 5.2
- against Bluetooth 5.0
- Maximum Storage Capacity
- 256 GB
- against 64 GB
Specification comparison
Performance
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Processor Model | Unisoc T310 | MediaTek Helio G81 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | — | Mali-G52 MC2 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2 GHz |
| Maximum Storage Capacity | 64 GB | 256 GB Best value |
| AnTuTu Score | 138,000 | 235,000 Best value |
| Geekbench 6 Single-Core | — | 420 |
| Geekbench 6 Multi-Core | — | 1,391 |
| CPU Description | 1 × ARM Cortex-A75 at 2.0 GHz + 3 × ARM Cortex-A55 at 1.8 GHz | 2x Cortex-A75 at 2.0 GHz plus 6x Cortex-A55 at 1.7 GHz |
| Processor Type | Quad-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 8 GB Best value |
| RAM Type | LPDDR3 | LPDDR4X Best value |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | v10 |
Design
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Body Colors | Black, Blue, Orange | Black, White, Silver |
| Body Thickness | 8.8 mm Best value | 10.7 mm |
| Body Width | 76.7 mm | 83 mm |
| Body Height | 165.3 mm | 174.6 mm |
| Weight | 199 g Best value | 245 g |
| Usable Surface | 82 % Best value | 71 % |
| Body Materials | Plastic | Plastic |
| Resistance Features | IP54 | IP68, IP69, MIL-STD-810H Best value |
| Rugged Build | No | Yes Best value |
Battery
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Ion | Li-Polymer |
| Fast Charge Power | 10 W | 18 W Best value |
| Battery Features | Fast Charging, Removable | Fast Charging, Reverse Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable Best value |
Display
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | — | 400 nits |
| Display Diagonal | 6.56″ | 6.56″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,612 px | 1,612 px |
| Display Pixel Density | 269 ppi | 269 ppi |
| Display Refresh Rate | — | 90 Hz |
| Display Features | Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless | Water Drop Notch, Scratch Resistant, Dragontrail Glass, Gorilla Glass 5, Panda Glass, Capacitive Touch, Multi-Touch |
Sensors
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Sensor
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Sensor Features | Accelerometer, Light Sensor, Proximity Sensor | Cooling System, Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor |
Software
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Operating System | Android 16 | Android 16 |
| OS Family | Android | Android |
| OS Version | 16 | 16 |
| Google Services | Yes | Yes |
Connectivity
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 1900, 2G GSM 1800, 2G GSM 850, 2G GSM 900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B20, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 1900, 2G GSM 1800, 2G GSM 850, 2G GSM 900, 3G UMTS B8, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B19, 4G LTE B20, 4G LTE B28B, 4G LTE B28A, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | — | LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (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 |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | A2DP | A2DP |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | 3.5 mm Audio Jack, Computer Sync, OTA Sync, Tethering, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, USB Type-C | 3.5 mm Audio Jack, Computer Sync, NFC, OTA Sync, FM Radio, Tethering, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, USB Type-C, USB 2.0 |
| USB Version | — | USB 2.0 |
| Max. download speed | — | 300 Mbps |
| Max. upload speed | — | 100 Mbps |
Audio
| Specification | Oscal FLAT 3C | OSCAL Marine 3 |
|---|---|---|
| Audio Features | A2DP | A2DP |
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