Get Satisfied Before Buying Mobile Phones
Name | ZTE Blade A31 | Vivo X21i | - |
---|---|---|---|
Model | Blade A31 | X21i | - |
Price | Upcoming | - | - |
Network Type | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / LTE | - |
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Network 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA | - |
Network 3G | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | - |
Network 4G | LTE (unspecified) | LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) | - |
Network Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA, LTE | - |
Network GPRS | Yes | Yes | - |
Network EDGE | Yes | Yes | - |
Network 5G | 1, 3, 41, 78, 79 SA/NSA | - | - |
Display Type | IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen, 16M Colors | - |
---|---|---|---|
Display Size | 6.52 inches | 6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio | - |
Display Resolution | 720 x 1560 pixels | 1080 x 2280 pixels, 19:9 ratio | - |
Display Multitouch | Yes | Yes - Funtouch OS 4.0 | - |
Display Density | - | 402 ppi density | - |
Primary Camera | 16MP 8MP 2MP | 12MP (f/1.8, 1/2.5 | - |
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Secondary Camera | 8MP | 24MP | - |
Camera Features | panorama, HDR | Geo-tagging, Touch focus, Face detection, HDR, panorama | - |
Video | 1080p @30fps, 1920×1080 pixels | [email protected] | - |
Body Dimensions | - | 154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in) | - |
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Body Weight | - | 159 g (5.61 oz) | - |
Body Color | Gray, Blue | Black, Aurora White, Ruby Red | - |
Launch Announcement | Not announced | May, 2018 | - |
---|---|---|---|
Launch Date | Exp. December 2021 | Release May 19th, 2018 | - |
Operating System | Android 10 | Android 8.1 Oreo | - |
---|---|---|---|
CPU | - | Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | - |
GPU | - | Mali-G72 MP3 | - |
Chipset | MediaTek MT6853V Dimensity 720 5G (7 nm) | Mediatek MT6771 Helio P60 | - |
Memory Internal | 128GB | 64GB, 128GB | - |
---|---|---|---|
Memory External | microSDXC | microSD, up to 256GB (uses SIM 2 slot) | - |
Ram | 6GB | 4GB, 6GB | - |
Battery Type | Li-Poly | Non-removable Li-Ion Battery | - |
---|---|---|---|
Battery Capacity | 5000 mAh | 3425 mAh | - |
Fm Radio | No | Yes | - |
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Audio | Vibration, MP3, WAV ringtones | Vibration, MP3, WAV Ringtones | - |
---|---|---|---|
Loudspeaker | Yes | Yes | - |
3.5mm Jack | Yes | Yes - 32-bit/192kHz audio - Active noise cancellation with dedicated mic | - |
WiFi | 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, WiFi Direct, Hotspot | - |
---|---|---|---|
Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | - |
USB | USB Type-C 2.0 | microUSB 2.0, USB On-The-Go | - |
GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS | - |
Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint-rear-mounted, accelerometer, proximity, compass | - |
---|---|---|---|
Messaging | SMS(threaded view), MMS, Email, IM | SMS(threaded view), MMS, Email, Push Email | - |
Browser | HTML5 | HTML5 | - |
Java | No | No | - |
Made By | China | China | - |
---|---|---|---|
Other Features | - | Fast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor | - |