| Hardware and OS | ZTE Axon 20 5G Extreme | |
| Operating system | Android 10.0, MiFavor 10.5 | |
| Processor | Octa-core (1x2.4 GHz Kryo 475 Prime, 1x2.2 GHz Kryo 475 Gold, 6x1.8 GHz Kryo 475 Silver) | |
| GPU | Adreno 620 | |
| RAM | 12 GB | |
| Internal Storage | 256 GB | |
| Memory Card Slot | microSDXC (dedicated slot) | |
| User Interface | Yes | |
| Display | ZTE Axon 20 5G Extreme | other phones |
| Type | OLED | |
| Size | 6.92 inches | |
| Resolution | 1080 x 2460 pixels | |
| Colors | 1B Colors | |
| Pixel Density | 388 PPI | |
| Touchscreen | Capacitive touchscreen | |
| Features | 90Hz refresh rate, | |
| Connectivity | ZTE Axon 20 5G Extreme | other phones |
| 4G Network | 1, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 | |
| 5G Network | 1, 3, 28, 41, 78, 79 SA/NSA | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes | |
| USB | USB Type-C 3.1, USB On-The-Go | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | ZTE Axon 20 5G Extreme | other phones |
| Main camera | 64 MP (wide), 8 MP (ultrawide), 2 MP (macro), 2 MP (depth) | |
| Features | Dual-LED dual-tone flash, HDR, panorama | |
| Image | 2160p | |
| Selfie camera | 32 MP (wide), under display | |
| Multimedia | ZTE Axon 20 5G Extreme | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | No | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | No | |
| Design | ZTE Axon 20 5G Extreme | other phones |
| Dimensions | 172.1 x 77.9 x 8 mm | |
| Waterproof | No | |
| Weight | 198 grams | |
| Battery | ZTE Axon 20 5G Extreme | other phones |
| Capacity | Li-Ion 4220 mAh battery, Fast charging 30W, 60% in 30 min (advertised), Quick Charge 4 | |
| Placement | Non-removable | |
| Other | ZTE Axon 20 5G Extreme | other phones |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, | |
