vivo Y21a vs Oppo A55s
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| PHONES | ||
|---|---|---|
| Phone Names | vivo Y21a | Oppo A55s |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 5, 8, 38, 40, 41 | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| 5G bands | - | 1, 28, 41, 77, 78 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / CDMA / HSPA / LTE / 5G |
| - | CDMA 800 | |
| Launch | ||
|---|---|---|
| Announced | 2022, January 22 | 2022, April 18 |
| Status | Available. Released 2022, February 14 | Available. Released 2022, April 18 |
| Body | ||
|---|---|---|
| Build | Glass front, plastic frame, plastic back | - |
| Dimensions | 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) | 163.9 x 75.7 x 8.4 mm (6.45 x 2.98 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 182 g (6.42 oz) | 186 g (6.56 oz) |
| Display | ||
|---|---|---|
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Size | 6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio) | 6.5 inches, 102.0 cm2 (~82.2% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD, 480 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core 2.0 GHz Cortex-A53Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) - Egypt | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| Chipset | Mediatek MT6762 Helio P22 (12 nm)Mediatek MT6765 Helio P35 (12 nm) - Egypt | Mediatek Dimensity 700 (7 nm) |
| GPU | PowerVR GE8320 | Mali-G57 MC2 |
| OS | Android 11, Funtouch 11.1 | Android 11, ColorOS 11.1 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC |
| Internal | 64GB 4GB RAM | 128GB 6GB RAM, 128GB 8GB RAM |
| Main Camera | ||
|---|---|---|
| Dual | 13 MP, f/2.2, (wide), PDAF 2 MP (macro) | - |
| Features | LED flash | LED flash, HDR, panorama |
| Single | 8 MP, f/1.8, (wide) | 8 MP, f/2.0, (wide) |
| Triple | - | 13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 8 MP, f/1.8, (wide) | 8 MP, f/2.0, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.1, A2DP, LE, aptX HD |
| NFC | No | No |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | FM radio | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 18W wired 2.5W reverse wired | 10W wired |
| Type | 5000 mAh | Li-Po 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Midnight Blue, Diamond Glow | Black, Blue, Gold |
| Models | - | CPH2309 |
| Price | - | About 160 EUR |