Motorola Moto G31 (128GB/4GB) vs ZTE Nubia Z7 mini
Side by side comparison between Motorola Moto G31 vs ZTE Nubia Z7 mini phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2400
50
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5"
TFT
TFT
1080x1920
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
2300
mAh
mAh
(Non removable)
What's the better phone? Motorola Moto G31 (128GB/4GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
20 Advantages 
5 Advantages | 25 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Full HD (1920x1080) |
| (front) Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| +18 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Model | Moto G31 (128GB/4GB) | Nubia Z7 mini |
| Other model names | Lenovo Moto G31 XT2173-1, XT2173-2, XT2173-3 | ZTE Nubia Z7 mini Dual Sim 4G LTE NX507J, ZTE NX507J |
| Country or region available |   (Europe), (Global, International) | feature not registered |
| Brand | Motorola | ZTE |
| Release date | 12/6/2021, Announced: 11/18/2021 | 7/1/2014 |
| Depth | 8.6 millimeters (0.34 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 73.87 x 161.89 millimeters (2.91 x 6.37 in) | 69.3 x 140.9 millimeters (2.73 x 5.55 in) |
| Weight | 181 grams (6.34 ounces) | 143 grams (5.01 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Display type | AMOLED | TFT LCD |
| Screen size | 6.4" inches | 5" inches |
| Screen-to-body ratio | ~82.7% (screen-to-body ratio) | ~70.6% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 411 PPI | 441 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| System version | Android 11 | Android 4.4.2 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Chipset | 64bit: MediaTek Helio G85 (12nm) | 32bit: Qualcomm Snapdragon 801 MSM8974AA v3 |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core) | Quad-core, 1 processor: 4x 2GHz Krait 400 (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (1GHz) | Qualcomm Adreno 330 |
| Performance (benchmark) | AnTuTu: 228765 (v9) | feature not registered |
💽 Memory and storage | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| RAM memory | 4GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (108GB available) eMMC 5.1 | 16GB (12GB available) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 300/150 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat7 (1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) VoLTE | LTE 1800/2100/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat7 (1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Back camera (main camera) | (triple camera) 50 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 | 13 megapixels |
| Main camera resolution | 8160x6120 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.64µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Front camera (secondary) | 13 megapixels | 5 megapixels |
| Front camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Loudspeaker | Mono sound (not stereo) Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL-3 |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 2300 mAh |
| Charger, watts | 10W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | 580 hours (24.2 days) |
➕ Other features | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Mineral Grey, Baby Blue | • Colors: Black, White, Red, Green, Yellow • USB OTG On-The-Go • Nubia UI 2.0 • Panorama photo • Java framework |
☢️ Radiation rate | ||
| Moto G31 (128GB/4GB) | ZTE Nubia Z7 mini | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |