| Specifications Highlights |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| Product | Lumia 820 (Launched 2012-09-01) | Lumia 635 (Launched 2014-04-01) |
| Display | 4.3" 800x480 AMOLED | 4.5" 854x480 IPS LCD |
| Rear Camera(s) | | |
| Selfie Camera(s) | | |
| Computing | - Snapdragon SoC
- 1GB RAM
- 8GB Storage
- MicroSD (64GB max.)
| - Snapdragon 400 SoC
- 0.5GB RAM
- 8GB Storage
- MicroSD (128GB max.)
|
| Battery | 1650 mAh | 1830 mAh |
| Design | IP Rating, 160g (5.6oz), 123.8x68.5x9.9 mm (4.87 x 2.70 x 0.39 inches) | IP Rating, 134g (4.7oz), 129.5x66.7x9.2 mm (5.10 x 2.63 x 0.36 inches) |
| Price (Market) | $160 | $124 |
| Display |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| Type | AMOLED | IPS LCD |
| Diagonal (inches) | 4.3" | 4.5" |
| Display/Body Ratio | 62.1% | 64.6% |
| Resolution | 800x480 | 854x480 |
| Sharpness (PPI) | 217 PPI | 218 PPI |
| Display Glass Type | | Gorilla Glass 3 |
| Features | | |
| Color Depth | 24 bit (16,777,216 Colors) | 24 bit (16,777,216 Colors) |
| Primary Camera |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| Megapixel | 8-MP | 5-MP |
| Sensor Size | Small | |
| Hardware Features | | |
| Video Resolutions | | |
| Battery |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| Battery Type | | Li-Ion |
| Battery Capacity (mAh) | 1650 mAh | 1830 mAh |
| Talk Time | 14 hours | 12 hours |
| Music Playback Time | 55 hours | 58 hours |
| Computing |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| Processor Brand | Qualcomm | Qualcomm |
| Processor Name | Snapdragon | Snapdragon 400 |
| Processor Model | MSM8960 | |
| Processor # Cores | 2 | 4 |
| Main Processor Frequency (GHz) | 1.5 GHz | 1.2 GHz |
| RAM Options | 1GB | 0.5GB |
| Internal Storage Options | 8GB | 8GB |
| Memory Card Type | MicroSD | MicroSD |
| Mem. Card Max. Size | 64GB | 128GB |
| Operating System + Version | Windows 8.1 | Windows 8.1 |
| Communications |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| LTE Category (Download) | LTE CAT3 102/51 Mbps | LTE CAT3 102/51 Mbps |
| Modem Features | | |
| WiFi Speed | | |
| WiFi Features | | |
| Bluetooth Version | Bluetooth 3.1 | Bluetooth 4.0 |
| Bluetooth Features | | |
| NFC Features | | |
| Connector Type | Micro USB | Micro USB |
| SAR US Head | 1.37 W/Kg | 0.97 W/Kg |
| SAR US Body | 0.71 W/Kg | 0.77 W/Kg |
| SAR EU Head | 0.79 W/Kg | 0.75 W/Kg |
| SAR EU Body | | 0.79 W/Kg |
| Sim Card 0 |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| Name | SIM0 | SIM0 |
| SIM Type | Micro SIM | Micro SIM |
| Multimedia |
|---|
| Product Name | Lumia 820 | Lumia 635 |
| Audio Alerts | | |
| Audio Features | | - Loudspeaker
- 3.5mm Port
- Phone Noise Cancellation
- FM Radio
|
| Audio Formats | | |
| Video Formats | | |
| Sensors | - Accelerometer
- Compass
- GPS
- A-GPS
- GLONASS
- Gyroscope
- Proximity
| - Accelerometer
- GPS
- A-GPS
- GLONASS
|
Nokia Lumia 820 vs. Nokia Lumia 635 Specs & Speed Benchmarks
GFXBench T-Rex (Offscr.)
Higher is better
Battery Capacity (mAh)
Higher is better