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General
| Name | Nokia Lumia 820 | Nokia Lumia 925 |
|---|---|---|
| Launch Date | 1 Sept 2012 | 1 May 2013 |
| Brand | Nokia | Nokia |
| Colors | Black, Gray, Red, Yellow, White, Blue, Violet | Black, White, Gray |
Display
| Display Size | 4.3 Inches | 4.5 Inches |
|---|---|---|
| Display Type | AMOLED | AMOLED |
| Resolution | 480 x 800 pixels | 768 x 1280 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | - | Gorilla Glass 2 |
| Aspect Ratio | 5:3 | 5:3 |
| Features | 62.1% (screen to body ratio), 217 ppi | 63.3% (screen to body ratio), 332 ppi |
Platform
| Operating System | Microsoft Windows Phone 8, upgradable to 8.1 | Microsoft Windows Phone 8, upgradable to 8.1 |
|---|---|---|
| Processor | Snapdragon S4 Plus | Snapdragon S4 Plus |
| CPU | Dual-core 1.5 GHz Krait | Dual-core 1.5 GHz Krait |
| GPU | Adreno 225 | Adreno 225 |
Memory
| Ram | 1GB | 1GB |
|---|---|---|
| Storage | 8GB | 16GB, 32GB |
| SD Card Slot | Yes | No |
Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Main | 8 MP, AF | 8 MP, 1/3", AF, OIS |
| Video | 1080p@30fps | 1080p@30fps |
| Features | Carl Zeiss optics | Carl Zeiss optics |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | VGA | 1.3 MP |
| Video | Yes | 720p@30fps |
Battery
| Capacity | 1650 mAh | 2000 mAh |
|---|---|---|
| Battery Technology | Li-Ion, removable | Li-Ion, non-removable |
| Charging Speed | - | - |
| USB Type | Micro USB, USB 2.0 | Micro USB, USB 2.0 |
| Wireless Charging | No | No |
Network
| Sim | Single Sim | Single Sim |
|---|---|---|
| Sim Type | Micro-SIM | Micro-SIM |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 2.4 | WiFi 2.4 |
|---|---|---|
| Bluetooth | V4.0 | V4.0 |
| NFC | Yes | Yes |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | No | No |
|---|---|---|
| Face Unlock | Not Available | Not Available |
Body
| Dimensions | 123.8 x 68.5 x 9.9 mm | 129 x 70.6 x 8.5 mm |
|---|---|---|
| Weight | 160 g | 139 g |
| Frame | - | - |
| Back | - | - |
| IP Rating | No | No |
Others
| Sensors | Accelerometer, gyro, proximity, compass | Accelerometer, gyro, proximity, compass |
|---|---|---|
| SAR | 1.37 W/kg (head), 0.71 W/kg (body) | 1.42 W/kg (head), 1.00 W/kg (body) |
| SAR EU | 0.79 W/kg (head) | 0.81 W/kg (head) |
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