Side-by-side technical data
Oscal Flat 2C vs Oscal Tank 1
Comparison between Oscal Flat 2C and Oscal Tank 1: camera, battery, fast charging, display, performance and colors, side by side. More phones from Oscal.
NeoTeo's verdict
Which of the two is the better buy
The Oscal Tank 1 is the pick for buyers who prioritize battery capacity, performance, and a sharper display; the Blackview Oscal FLAT 2C is better suited to those who want a lighter, thinner phone. The trade-off is stark: 20,000 mAh versus 5,000 mAh, but 640 g versus 193 g. The Tank 1 also leads decisively in the overall NeoScore, 6.7 to 3.7.
The Tank 1 pairs a MediaTek Dimensity 7050 with 16 GB of RAM and support for up to 512 GB of storage. The FLAT 2C has a Unisoc T603, 2 GB of RAM, and supports up to 64 GB. The Tank 1’s 6.78-inch display offers 1080 px by 2460 px and 120 Hz, compared with 6.56 inches, 720 px by 1612 px, and 90 Hz on the FLAT 2C. Its main camera also has the stronger hardware: 64 MP and a 1/1.2-inch sensor versus 8 MP and 1/4 inch.
The Tank 1 supports 55 W charging and reverse charging, while the FLAT 2C tops out at 5 W. It also offers Wi-Fi 6 instead of Wi-Fi 5 and Bluetooth 5.2 rather than Bluetooth 5.0. The FLAT 2C’s clear advantage is its slimmer body: 8.7 mm versus 29.5 mm. It suits buyers who value a light, slim phone; the Tank 1 is the stronger fit for battery, display, and performance.
Oscal Flat 2C
The Oscal Tank 1 is the better buy for buyers who prioritize battery capacity: 20,000 mAh versus 5,000 mAh in the Blackview Oscal FLAT 2C.
Oscal Tank 1
The Blackview Oscal FLAT 2C is the better buy for buyers who prioritize low weight: it weighs 193 g versus the Tank 1’s 640 g.
The verdict
Your pick: Oscal Tank 1, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Flat 2C | Tank 1 |
|---|---|---|
| Design & display | 4.6 | 5.4 |
| Performance & hardware | 2.1 | 7.6 |
| Camera | 1.6 | 6.0 |
| Connectivity | 3.8 | 6.8 |
| Battery & charging | 5.1 | 7.2 |
Which one is for you?
Oscal Flat 2C, if you care about…
- Weight
- 193 g
- against 640 g
- Usable Surface
- 84.2 %
- against 71.5 %
- Body Thickness
- 8.8 mm
- against 29.5 mm
- Battery Efficiency Rating
- B
- against C
Oscal Tank 1, if you care about…
- Battery Capacity
- 20,000 mAh
- against 5,000 mAh
- RAM Capacity
- 16 GB
- against 2 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
- against Wi-Fi 802.11 b/g/n
- Storage Type
- UFS 3.1
- against eMMC 5.1
Specification comparison
Performance
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Processor Model | Unisoc T603 | MediaTek Dimensity 7050 |
| Processor Process Size | 22 nm | 6 nm Best value |
| Graphics GPU | PowerVR GE8322 | Mali-G68 MC4 |
| Storage Type | eMMC 5.1 | UFS 3.1 Best value |
| Maximum CPU Clock | 1.8 GHz | 2.6 GHz Best value |
| Maximum Storage Capacity | 64 GB | 512 GB Best value |
| CPU Description | Octa-core (4x1.8 GHz Cortex-A55 and 4x1.2 GHz Cortex-A55) | Octa-core (2x2.6 GHz Cortex-A78 and 6x2.0 GHz Cortex-A55) |
| Processor Type | Octa-Core | Octa-Core |
| RAM Capacity | 2 GB | 16 GB Best value |
| Expandable Storage | Yes | Yes |
Design
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Body Colors | Black, Blue, Purple | Black, Orange |
| Body Thickness | 8.8 mm Best value | 29.5 mm |
| Body Width | 75.2 mm | 83 mm |
| Body Height | 163.2 mm | 184 mm |
| Weight | 193 g Best value | 640 g |
| Usable Surface | 84.2 % Best value | 71.5 % |
| Resistance Features | — | IP68, IP69K, MIL-STD-810H |
| Waterproof Depth | — | 2 m |
| Drop Resistance Class | C | A Best value |
| Repairability Class | B | B |
| Drop Test Count | 90 | 270 Best value |
Battery
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Battery Efficiency Rating | B Best value | C |
| Battery Capacity | 5,000 mAh | 20,000 mAh Best value |
| Fast Charge Power | 10 W | 55 W Best value |
| Battery Features | Fast Charging | Fast Charging, Reverse Charging Best value |
| Battery Endurance | 51 h 18 min | 154 h 8 min Best value |
| Charge cycles | 1,100 Best value | 800 |
Display
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 450 nits | 700 nits Best value |
| Display Diagonal | 6.56″ | 6.78″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,612 px | 2,460 px Best value |
| Display Pixel Density | 269 ppi | 396 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Display Features | Mohs Level 5, IPS LCD | Secondary Display, Gorilla Glass 5, Mohs Level 5, IPS LCD |
Sensors
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Sensor
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Operating System | Android 14 | Android 15 |
| OS Family | Android | Android |
| OS Version | 14 | 15 Best value |
Connectivity
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B7, 4G LTE B8, 4G LTE B19, 4G LTE B20, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, LTE B28, 4G LTE B30, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n28, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, CDMA, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) Best value |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n | Dual Band |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | A2DP | A2DP, LE |
| Navigation Systems | GPS, GLONASS, Galileo | GPS, GLONASS, Galileo, BeiDou, QZSS Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG | NFC, FM Radio, USB Type-C, USB OTG |
| USB Version | USB Type-C | microUSB |
Audio
| Specification | Flat 2C | Tank 1 |
|---|---|---|
| Audio Features | A2DP, Loudspeaker | A2DP, LE |
