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General
| Name | Vivo X20 | Nokia Lumia 925 |
|---|---|---|
| Launch Date | 1 Sept 2017 | 1 May 2013 |
| Brand | Vivo | Nokia |
| Colors | - | Black, White, Gray |
Display
| Display Size | 6.01 Inches | 4.5 Inches |
|---|---|---|
| Display Type | AMOLED | AMOLED |
| Resolution | 1080 x 2160 pixels | 768 x 1280 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | - | Gorilla Glass 2 |
| Aspect Ratio | 18:9 | 5:3 |
| Features | - | 63.3% (screen to body ratio), 332 ppi |
Platform
| Operating System | Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.2 | Microsoft Windows Phone 8, upgradable to 8.1 |
|---|---|---|
| Processor | Snapdragon 660 (14 nm) | Snapdragon S4 Plus |
| CPU | - | Dual-core 1.5 GHz Krait |
| GPU | - | Adreno 225 |
Memory
| Ram | 4GB | 1GB |
|---|---|---|
| Storage | 64GB | 16GB, 32GB |
| Storage Type | eMMC 5.1 | - |
| SD Card Slot | Yes | No |
Camera
| Type | Dual Camera | Single Camera |
|---|---|---|
| Main | 12 MP, f/1.8 | 8 MP, 1/3", AF, OIS |
| Depth | 5 MP, f/2.4 | - |
| Video | 1080p@30fps | 1080p@30fps |
| Features | - | Carl Zeiss optics |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 12 MP, f/2.0 | 1.3 MP |
| Video | - | 720p@30fps |
Battery
| Capacity | 3250 mAh | 2000 mAh |
|---|---|---|
| Battery Technology | Li-Ion | Li-Ion, non-removable |
| Charging Speed | 18W | - |
| USB Type | Micro USB | Micro USB, USB 2.0 |
| Wireless Charging | No | No |
Network
| Sim | Dual Sim | Single Sim |
|---|---|---|
| Sim Type | Micro-SIM | |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 5 | WiFi 2.4 |
|---|---|---|
| Bluetooth | V5.0 | V4.0 |
| NFC | No | Yes |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | Yes | No |
|---|---|---|
| Fingerprint Type | Capacitive Fingerprint Scanner | - |
| Fingerprint Position | Rear-Mounted | - |
| Face Unlock | 2D Face Unlock | Not Available |
Body
| Dimensions | 155.9 x 75.2 x 7.2 mm | 129 x 70.6 x 8.5 mm |
|---|---|---|
| Weight | 159 g | 139 g |
| Frame | Aluminium Frame | - |
| Back | Metal Back | - |
| IP Rating | No | No |
Others
| Sensors | - | Accelerometer, gyro, proximity, compass |
|---|---|---|
| SAR | - | 1.42 W/kg (head), 1.00 W/kg (body) |
| SAR EU | - | 0.81 W/kg (head) |
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