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- Galaxy M21 vs Armor 8
Samsung Galaxy M21 vs UleFone Armor 8
What Galaxy M21 does better (19) and where Armor 8 wins (0) — every spec side by side.
vs
5.0Display3.0
6.7Camera3.7
6.6Battery6.3
5.0Features6.0
Dimensions
Size comparison
Galaxy M21Armor 8
| Galaxy M21 | Armor 8 | Difference | |
|---|---|---|---|
| Height | 159 mm | 166 mm | −7 mm |
| Width | 75.1 mm | 81.8 mm | −6.7 mm |
| Thickness | 8.9 mm | 15 mm | −6.1 mm |
| Weight | 188 g | 282 g | −94 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy M21 better than Armor 8?
- Main camera48 MP vs 16 MP3×
- RAM6 GB vs 4 GB+50%
- OLED panelYes · Armor 8: No
- Storage (max)128 GB vs 64 GB2×
- Battery capacity6,000 mAh vs 5,580 mAh+8%
- Weight188 g vs 282 g+50%
- Selfie camera20 MP vs 8 MP2.5×
- Pixel density403 ppi vs 282 ppi+43%
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · Armor 8: No
- Max video4K vs 1080p
- CPU frequency2.3 GHz vs 2 GHz+15%
Why is Armor 8 better than Galaxy M21?
Armor 8 has no measurable advantages in this pair.
Specifications
Side by side
| Design | ||
| Weight | 188 g | 282 g |
| Thickness | 8.9 mm | 15 mm |
| Height | 159 mm | 166 mm |
| Width | 75.1 mm | 81.8 mm |
| Frame | Plastic | Aluminium |
| Back | Plastic | Aluminium |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Corning Gorilla Glass 3 | Scratch-resistant glass, oleophobic coating |
| Colours | Midnight Blue, Raven Black | Black, Orange, Red |
| Display | ||
| Screen size | 6.4″ | 6.1″ |
| Panel | Super AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,340 px | 1,560 px |
| Pixel density | 403 ppi | 282 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 420 nits | — |
| Measured brightness | 608 nits | — |
| Screen-to-body ratio | 84.2% | 67.3% |
| Performance | ||
| Chipset | Exynos 9611 | Mediatek MT6771 Helio P60 |
| Chip maker | Exynos | MediaTek |
| Process | 10 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2 GHz |
| GPU | Mali-G72 MP3 | Mali-G72 MP3 |
| AnTuTu score | 355,351 | — |
| Geekbench 6 (multi-core) | 1,139 | — |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Storage (max) | 128 GB | 64 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | UFS 2.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 16 MP |
| Main camera aperture | f/2 | f/2.2 |
| Main sensor size | 1/2.0" | — |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | — |
| Selfie camera | 20 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 6,000 mAh | 5,580 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 15 W | 15 W |
| Charged in 30 min | 25% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 4.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Side |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, baroceptor, coulombmeter |
| SAR (head) | 0.47 W/kg | — |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | One UI 3.1 Core | — |
