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- Terra M vs Flat 3C
HMD Terra M vs OSCAL Flat 3C
What Terra M does better (4) and where Flat 3C wins (10) — every spec side by side.
Dimensions
Size comparison
Terra MFlat 3C
| Terra M | Flat 3C | Difference | |
|---|---|---|---|
| Height | 146.5 mm | 165.3 mm | −18.8 mm |
| Width | 66 mm | 76.7 mm | −10.7 mm |
| Thickness | 14.5 mm | 8.9 mm | +5.6 mm |
| Weight | 210 g | 200 g | +10 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Terra M better than Flat 3C?
- NFCYes · Flat 3C: No
- eSIMYes · Flat 3C: No
- Pixel density286 ppi vs 269 ppi+6%
- Process11 nm vs 12 nm+9%
Why is Flat 3C better than Terra M?
- Battery capacity2,510 mAh vs 5,000 mAh+99%
- Main camera8 MP vs 32 MP4×
- RAM2 GB vs 4 GB2×
- Storage (max)32 GB vs 128 GB4×
- Screen size2.8″ vs 6.6″2.3×
- Screen-to-body ratio25.1% vs 81.5%3.2×
- Storage (base)32 GB vs 64 GB2×
- Weight210 g vs 200 g+5%
- Thickness14.5 mm vs 8.9 mm+63%
- Resolution (width)480 px vs 720 px+50%
Specifications
Side by side
| Design | ||
| Weight | 210 g | 200 g |
| Thickness | 14.5 mm | 8.9 mm |
| Height | 146.5 mm | 165.3 mm |
| Width | 66 mm | 76.7 mm |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Black | Blaze Orange, Ice Blue, Midnight Black |
| Display | ||
| Screen size | 2.8″ | 6.6″ |
| Panel | TFT LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 480 px | 720 px |
| Resolution (height) | 640 px | 1,612 px |
| Pixel density | 286 ppi | 269 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 550 nits | — |
| Screen-to-body ratio | 25.1% | 81.5% |
| Performance | ||
| Chipset | Qualcomm Dragonwing QCM2290 | Unisoc Tiger T310 |
| Chip maker | Qualcomm | Unisoc |
| Process | 11 nm | 12 nm |
| CPU cores | 4 | 4 |
| CPU frequency | 2 GHz | 2 GHz |
| GPU | Adreno 702 | PowerVR GE8300 |
| Memory | ||
| RAM | 2 GB | 4 GB |
| Storage (max) | 32 GB | 128 GB |
| Storage (base) | 32 GB | 64 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 32 MP |
| Main camera aperture | f/2 | — |
| Main sensor size | 1/4.0" | — |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | — | 1080p |
| Selfie camera | — | 13 MP |
| 4K selfie video | — | No |
| Battery | ||
| Battery capacity | 2,510 mAh | 5,000 mAh |
| Battery type | Li-Po | — |
| Wired charging | — | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | — |
| eSIM | Yes | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | No |
| USB | USB Type-C | USB Type-C 2.0 |
| USB version | — | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Sensors | Accelerometer, gyro, proximity, compass | Yes |
| SAR (head) | — | 0.74 W/kg |
| Software | ||
| OS at launch | Smart OS 14 | Android 16 |
| Platform | Other | Android |
| EU label | ||
| Energy class | — | B |
| Battery charge cycles | — | 800 |
| Endurance per cycle | — | 48 h |
| Repairability class | — | B |
| Drop resistance class | — | C |
