Samsung Galaxy S21 Ultra vs Umidigi A3
Samsung Galaxy S21 Ultra vs Umidigi A3: Compare the Samsung Galaxy S21 Ultra and Umidigi A3 to discover the key differences between these two smartphones. From camera capabilities to performance and design, find out which device offers the features you need. Make an informed decision before purchasing your next smartphone.
| Feature | Samsung Galaxy S21 Ultra | Umidigi A3 |
|---|---|---|
| Display | 6.8-inch Dynamic AMOLED 2X | 5.5-inch IPS LCD |
| Resolution | 3200 x 1440 pixels | 1440 x 720 pixels |
| Processor | Exynos 2100 / Qualcomm Snapdragon 888 | MediaTek MT6739 |
| RAM | 12/16 GB | 2 GB |
| Storage | 128/256/512 GB | 16 GB (expandable up to 256 GB) |
| Main Camera |
108 MP wide (f/1.8) 12 MP ultra-wide (f/2.2) 10 MP periscope telephoto (f/4.9) 10 MP telephoto (f/2.4) |
12 MP + 5 MP dual camera |
| Front Camera | 40 MP (f/2.2) | 5 MP (f/2.4) |
| Video Recording | 8K @ 24fps, 4K @ 30/60fps | 1080p @ 30fps |
| Battery Capacity | 5000 mAh | 3300 mAh |
| Fast Charging | Yes (25W) | Yes (10W) |
| Wireless Charging | Yes | No |
| Operating System | Android (One UI) | Android (Stock) |
| Water and Dust Resistance | IP68 | No |
| Biometric Authentication | Fingerprint (ultrasonic under display), Face Recognition | Fingerprint (rear-mounted) |
| Connectivity | 5G, 4G LTE, Wi-Fi 6, Bluetooth 5.2, NFC | 4G LTE, Wi-Fi, Bluetooth 4.0, NFC |
| SIM Card | Dual SIM (Nano-SIM and eSIM) | Dual SIM (Nano-SIM) |
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