Apple iPhone Duo vs Vivo Y21d
Which one should you buy?
Who leads where?
- DisplayApple iPhone Duo
- PerformanceApple iPhone Duo
- CameraApple iPhone Duo
- Battery and ChargingApple iPhone Duo
- ConnectivityApple iPhone Duo
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.
The differences in short
Processor: Apple iPhone Duo A20 Pro, Vivo Y21d Unisoc T7225. Screen Size: Apple iPhone Duo 7.6", Vivo Y21d 6.68". Vivo Y21d leads on Main Camera: 50 MP against 48 MP. Apple iPhone Duo leads on Fast Charging: 60 W against 44 W.
Which one for what you do?
Gaming
Apple iPhone Duo
81% – 57%
Photo / Video
Apple iPhone Duo
73% – 56%
Battery Life
Even
61% – 59%
Daily Use
Vivo Y21d
69% – 66%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 AppleApple iPhone DuoNo reviews yet |  VivoVivo Y21dNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | A20 Pro | Unisoc T7225 |
| Screen Size | 7.6" | 6.68" |
| Main Camera | 48 MP | 50 MP |
| Battery | No data | 6500 mAh |
| Fast Charging | 60 W | 44 W |
| Display | ||
| Size | 7.6" | 6.68" |
| Panel | Foldable Super Retina XDR OLED | LCD |
| Resolution | 1878x2670 | 720x1608 |
| Refresh Rate | 120 Hz | 90 Hz |
| Peak Brightness | 3000 nit | No data |
| Performance | ||
| Chipset | A20 Pro | Unisoc T7225 |
| Graphics Processor | Apple 7-core GPU | No data |
| RAM | No data | 4 GB |
| Storage | 256 GB | 128 GB |
| Storage type | No data | LPDDR4X + eMMC 5.1 |
| Manufacturing Technology | No data | 12 nm |
| Camera | ||
| Main Camera | 48 MP | 50 MP |
| Main Aperture | f/1.6 | f/1.8 |
| Ultra Wide | 48 MP | No data |
| Front Camera | 12 MP | 5 MP |
| Battery and Charging | ||
| Capacity | No data | 6500 mAh |
| Wired Charging | 60 W | 44 W |
| Wireless Charging Support | Yes | No data |
| Design | ||
| Weight | 254 g | 209 g |
| Thickness | 5.2 mm (open) / 11.3 mm (folded) | 8.39 mm |
| Frame | Titanium | No data |
| Back Surface | No data | Composite plastic |
| Connectivity | ||
| 5G | Yes | No data |
| SIM | Dual eSIM | Dual Nano-SIM |
| Satellite Connectivity | Yes | No data |
| Wi-Fi | Wi-Fi 7 | No data |
| Bluetooth | 6 | 5.2 |
| NFC | Yes | No |
| Durability and security | ||
| IP Certification | IP68 | IP68/IP69 |
| Biometrics | Touch ID | Side-mounted fingerprint |
| Software | ||
| Operating System | iOS | No data |
| Version | No data | Android 15 |
| Interface | No data | Funtouch OS 15 |
| Multimedia and ports | ||
| USB | USB Type-C | USB 2.0 |
Apple iPhone Duo leads on 7 of 9 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.