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General
| Name | Nokia Lumia 638 | Huawei Ascend G740 |
|---|---|---|
| Launch Date | 1 Dec 2014 | 1 Oct 2013 |
| Brand | Nokia | Huawei |
| Colors | Black | - |
Display
| Display Size | 4.5 Inches | 5.0 Inches |
|---|---|---|
| Display Type | IPS LCD | LCD |
| Resolution | 480 x 854 pixels | 720 x 1280 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | Gorilla Glass 3 | - |
| Aspect Ratio | 16:9 | 16:9 |
| Features | 64.6% (screen to body ratio), 218 ppi | - |
Platform
| Operating System | Microsoft Windows Phone 8.1 | Android 4.1.2 (Jelly Bean) |
|---|---|---|
| Processor | Snapdragon 400 (28 nm) | Snapdragon 400 (28 nm) |
| CPU | Quad-core 1.2 GHz Cortex-A7 | - |
| GPU | Adreno 305 | - |
Memory
| Ram | 1GB | 1GB |
|---|---|---|
| Storage | 8GB | 8GB |
| Storage Type | eMMC 4.5 | eMMC 4.5 |
| SD Card Slot | Yes | Yes |
Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Main | 5 MP, 1/4.0", AF | 8 MP, AF |
| Video | 720p@30fps | 1080p@30fps |
| Features | Panorama | - |
Front Camera
| Type | No Front Camera | Single Camera |
|---|---|---|
| Selfie | - | 1 MP |
| Video | - | - |
Battery
| Capacity | 1830 mAh | 2400 mAh |
|---|---|---|
| Battery Technology | Li-Ion, removable | Li-Ion |
| Charging Speed | - | - |
| USB Type | Micro USB, USB 2.0 | Micro USB |
| Wireless Charging | No | No |
Network
| Sim | Single Sim | Single Sim |
|---|---|---|
| Sim Type | Micro-SIM | |
| Technology | 4G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 2.4 | WiFi 2.4 |
|---|---|---|
| Bluetooth | V4.0 | V4.0 |
| NFC | No | No |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | Yes |
Biometric
| Fingerprint | No | No |
|---|---|---|
| Face Unlock | Not Available | Not Available |
Body
| Dimensions | 129.5 x 66.7 x 9.2 mm | 139.5 x 71.5 x 9.3 mm |
|---|---|---|
| Weight | 136 g | 150 g |
| Frame | Plastic Frame | - |
| Back | Plastic Back | - |
| IP Rating | No | No |
Others
| Sensors | Accelerometer | - |
|---|---|---|
| SAR EU | 1.46 W/kg (head), 0.95 W/kg (body) | - |
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