Phone Comparison - ZTE Blade A7s 2020 vs Realme C21 vs Oppo A16
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| Price Comparison (India) | - | - | |
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| Manufacturer | ZTE | realme | Oppo |
| Announced | November 2020 | 2021, March 05 | July 2021 |
| Status | Available - November 2020 | Available. Released 2021, March 05 | Available - July 2021 |
| Price | - | Rs. 8,999 ($0.00) [Similarly Priced] | - |
| Colors | Black, Blue | Cross Black, Cross Blue | Pearl Blue, Space Silver, Crystal Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
164.7 x 77.4 x 8.2 mm (6.48 x 3.05 x 0.32 in) |
165.2 x 76.4 x 8.9 mm (6.5 x 3.01 x 0.35 in) |
163.8 x 75.6 x 8.4 mm (6.45 x 2.98 x 0.33 in) |
| Weight | 182 g (6.42 oz) | 190 g (6.7 oz) | 190 g (6.7 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 2100 |
HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 3, 7, 8, 28 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 3, 5, 8, 38, 40, 41 |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (rear-mounted) |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 10 | Android 10 | Android 11 |
| User Interface | - | Realme UI 1.0 | ColorOS 11.1 |
| Processor | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55), Unisoc SC9863A (28nm) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek Helio G35 (12 nm) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek Helio G35 (12 nm) |
| GPU | IMG8322 | PowerVR GE8320 | PowerVR GE8320 |
| RAM | 3 GB | 4 GB | 3 GB |
| Internal Memory | 64 GB | 64 GB | 32 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | microSDXC |
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| Type | IPS LCD Screen | HD+ IPS LCD Screen | HD+ IPS LCD Screen 480 nits (typ) |
| Colors | 16M Colour | 16M Colour | 16M Colour |
| Size | 6.5 inches | 6.5 inches | 6.52 inches |
| Resolution | 720 x 1560 pixels (264 ppi) | 720 x 1600 pixels (270 ppi) | 720 x 1600 pixels (269 ppi) |
| Screen-to-Body Ratio | 81.56% | 80.78% | 82.94% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP + 8 MP + 2 MP | 13 MP + 2 MP + 2 MP | 13 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 16 MP, (wide), AF 8 MP, f/2.2, 120˚, 16mm (ultrawide) 2 MP, f/2.4, (depth) HDR, Panorama |
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama |
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera |
8 MP 1080p@30fps [Similar] |
5 MP, f/2.2, (wide), 1/5.0", 1.12µm HDR 1080p@30fps [Similar] |
8 MP, f/2.0 HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE | HSPA 42.2/5.76 Mbps, LTE |
| Bluetooth | 4.2, A2DP | 5.1, A2DP, LE | 5.0, A2DP, LE, aptX |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | Yes | microUSB 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM | 64 GB, 4 GB RAM or 32 GB, 3 GB RAM eMMC 5.1 | 32 GB, 3 GB RAM |
| Expandable Storage | microSDXC | microSDXC (dedicated slot) | microSDXC |
| USB OTG | Not Supported | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 8,999 
