Vivo X21
VS
ZTE Speed
Feature Comparison
Initial data or main information
Initial data or main information
| Price Range at Time of Release | ||
|---|---|---|
| Introduction Time | March 2018 | December 2014 |
| Availability Status | Released | Released |
| Official Release Date | March 2018 | December 2014 |
| Operating System Type at Release | Android | Android |
| Operating System at Release | Android 8.1 (Oreo) | Android 4.4.2 (KitKat) |
Aesthetic features
Aesthetic features
| Size and Dimensions | 154.5 x 74.8 x 7.4 mm | 134.6 x 66 x 10.2 mm |
|---|---|---|
| Product Weight | 156.2 gram (g) | 136.1 gram (g) |
Display
Display
| Screen Size | 6.28 inch | 4.5 inch |
|---|---|---|
| Display Panel Type | ||
| Display Resolution | ||
| Pixel Density Range | ||
| Screen-to-Body Ratio | ~85.2 percent (%) | ~62.8 percent (%) |
| Screen Aspect Ratio |
Connections
Connections
| Memory Card Slot | Yes | Yes |
|---|---|---|
| Bluetooth Support |
Main memory and RAM
Main memory and RAM
| Supported Memory Card Capacity |
|---|
Main camera
Main camera
| Main Camera Type - Wide/Standard | 12 megapixel (mp) | 5 megapixel (mp) |
|---|---|---|
| Depth Sensor Camera | 5 megapixel (mp) | - |
| Maximum Video Recording Quality of Rear Camera | - |
Front camera
Front camera
| Main Selfie Camera Quality | 12 megapixel (mp) | 2 megapixel (mp) |
|---|---|---|
| Maximum Video Recording Resolution of Selfie Camera | - |
Power supply and battery life
Power supply and battery life
| Battery Capacity | 3200mAh | 2000mAh |
|---|---|---|
| Battery Technology | Lithium-Ion | Lithium Polymer |
Battery and charging features
Battery and charging features
| Battery Replaceability | Non-user replaceable | Non-user replaceable |
|---|---|---|
| Connection Port Type | ||
| OTG Support | Yes | No |
Audio features
Audio features
| Speaker Type | Mono | Mono |
|---|---|---|
| Number of 3.5mm Jacks | Yes | Yes |
Communications and sensors
Communications and sensors
| Fingerprint Sensor Type | On the back of the phone | - |
|---|---|---|
| Wi-Fi Specifications | ||
| Communication Technologies | ||
| 5G Support | No | No |
| Navigation Type and GPS |
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User Rating Comparison
Vivo X21
0
/10
from total 1 Vote
ZTE Speed
0
/10
from total 1 Vote
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