电池
| 通话时间（2G） |
26.5 h |
| 浏览时间（Wi-Fi 无线网络） |
10.8 h |
| 音频连续播放时间 |
86 h |
| 通话时间（3G） |
17.5 h |
| 连续视频播放时间 |
8.6 h |
导航
| GPS |
Y |
| 全球导航卫星定位系统（格洛纳斯系统GLONASS） |
Y |
| GPS |
Y |
| 行人导航 |
Y |
| 辅助GPS功能（A - GPS) |
Y |
| Wi-Fi定位 |
Y |
联网
| 支持 4G 频段 |
2600, 2100, 1800, 900, 800 MHz |
| SIM卡插槽 |
Single SIM |
| 无线局域网连接 |
Y |
| 4G |
Y |
| 近场通信（NFC） |
Y |
| 3G |
Y |
| 蓝牙 |
Y |
| 可支持的3G频段 |
850, 900, 2100 MHz |
| 共享（调制解调器模式） |
Y |
| SIM卡类型 |
MicroSIM |
| 2G标准 |
GSM |
| 3G标准 |
WCDMA |
照相机
| 数字变焦 |
4 x |
| 视频录制 |
Y |
| Maximum frame rate |
30 fps |
| 自动对焦 |
Y |
| 前置摄像头 |
Y |
| 后置摄像头分辨率（数字） |
8 MP |
| 闪光类型 |
LED |
| 地理标签 |
Y |
| 内置闪光灯 |
Y |
| 前置摄像头分辨率（数字） |
0.9 MP |
| 视频录制模式 |
720p, 1080p |
信息系统
| 邮件 |
Y |
| 聊天 |
Y |
| MMS(多媒体信息服务) |
Y |
| 即时传讯（IM） |
Y |
| 短信服务(SMS) |
Y |
认证标准
| 身体辐射值（SAR）(欧洲) |
0.45 W/kg |
| 头部辐射值（SAR）（欧洲） |
0.73 W/kg |
| DLNA认证 |
Y |
端口 & 界面
| USB端口 |
Y |
| USB版本 |
2.0 |
| USB 连接器形状 |
Micro-USB |
存储介质
| 内部存储容量 |
8 GB |
| USB大容量 |
Y |
| 最大内存卡大小 |
128 GB |
显示器
| 触控技术 |
Multi-touch |
| 方位感应器 |
Y |
| 像素密度 |
294 ppi |
| 显示类型 |
IPS |
性能
| 视频通话 |
Y |
| 主题 |
Wallpapers |
| 飞行模式 |
Y |
| 个性化 |
Shortcuts, Menu, Icons |
| 支持联络小组 |
Y |
| 话筒静音 |
Y |
| 个人信息管理 |
Alarm clock, Calculator, Calendar, Events reminder, Notes, To-do list |
呼叫处理
| 免提听筒电话 |
Y |
| 通话计时器 |
Y |
| 呼叫转移 |
Y |
| 通话保持 |
Y |
| 会议呼叫能力 |
Y |
| 快速拨号 |
Y |
| 振动提示 |
Y |
| 主叫号码 |
Y |
Lumia 640 LTE - 5" 1280 x 720 IPS LCD 294 ppi, LTE, WCDMA, GSM, Qualcomm Snapdragon 400 Quad core 1200 MHz, RAM: 1 GB, 8.0 MP, Wi-Fi, Bluetooth, NFC, A-GLONASS, A-GPS, Windows Phone 8.1 Lumia Denim
<b>Increased Productivity</b>
Easily connect with work and personal e-mail correspondence on the go with Microsoft Outlook, built-in and free. Access, edit and share Word, Excel and PowerPoint documents, and OneNote notebooks, wherever you may be whether they are work presentations or your all-important CV.
<b>Built-in Skype Integration</b>
Skype comes pre-loaded on Lumia 640 so you have instant access to free calls to over 300 million Skype users. The Skype experience is made even better with built-in Skype integration and a front-facing camera which allow you to switch seamlessly between voice and video calls and chat with the utmost ease.
<b>Innovations Brought by Windows Phone 8.1 and Lumia Denim</b>
Have the most personalized home screen with the latest version of Windows Phone 8.1 which is powered by a speedy quad core processor. Lumia 640 comes complete with one-swipe Action Center, Word Flow, Live folders and Cortana (where available), a truly personal virtual assistant that anticipates your needs and makes tailored suggestions as a result. In addition to all of that, you can stay up-to-date with the best features through regular updates to Windows. Lumia 640 will upgrade to, and benefit from the core features of Windows 10 as it becomes available later this year.
<b>OneDrive Cloud Storage</b>
Save and sync photos, videos and Office documents securely with free OneDrive cloud storage*, so that your documents go
wherever you go.
