Qualcomm Snapdragon 400
8GB
1GB • Expandable
5 MP
4.5 inch
480 × 854 pixels
Microsoft Windows Phone 8.1
1830 mAh
Li-Ion
The Nokia Lumia 638, features a 4.5 inch display, powered by Qualcomm Snapdragon 400, 1GB RAM and 8GB storage, 5 MP camera and 1830 mAh battery.
General
| Brand | Nokia |
| Model | Nokia Lumia 638 |
| Colors | Black |
| Status | Discontinued |
| Announced | 2014, December. Released 2014, December |
Network
| 2G Network | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - RM-1010 |
| 4G Network | 3, 7, 38, 39, 40, 41 |
| Data Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bands Guide | Network Bands Guide |
Design
| Width | 66.7 mm (2.63 inch) |
| Height | 129.5 mm (5.10 inch) |
| Weight | 136 g (4.80 oz) |
| Thickness | 9.2 mm (0.36 inch) |
Display
| Resolution | 480 × 854 pixels |
| Aspect Ratio | 16:9 |
| Display Size | 4.5 inch |
| Pixel Density | 218 ppi |
| Screen-to-Body Ratio | ≈ 64.6% |
Software
| Operating System | Microsoft Windows Phone 8.1 |
Processor & Memory
| GPU | Adreno 305 |
| RAM | 1GB |
| Chipset | Qualcomm Snapdragon 400 |
| Internal Storage | 8GB |
| Variants | 8GB 1GB RAM |
| CPU Cores | 4 |
| Max Speed | 1.2 GHz |
| Technology | 28 nm |
| CPU Architecture | 64-bit |
| Expandable Storage | Yes |
Main Camera
| Setup | Single camera |
| Cameras | 5 MP, 1/4.0" Sensor size |
| Flash Support | No |
| Video Support | Yes |
| Camera Support | Yes |
Multimedia
| FM Radio | No |
| Loudspeaker | Yes |
| Headphone Jack | Yes |
Connectivity
| Bluetooth | Yes, v4.0 |
| GPS Support | Yes |
| NFC Support | No |
| Wi-Fi Support | Yes (Wi-Fi 802) |
| Wi-Fi Standards | 802.11/b/g/n |
Battery
| Type | Li-Ion |
| Capacity | 1830 mAh |
| Wireless Charging Support | No |
