照相机
| 视频录制模式 |
1080p |
| 视频捕捉分辨率 |
1920 x 1080 pixels |
| 自动曝光 |
Y |
| 视频录制 |
Y |
| 前置摄像头分辨率（数字） |
5 MP |
| Maximum frame rate |
30 fps |
| 数字变焦 |
4 x |
| 自动对焦 |
Y |
| 变焦能力 |
Y |
| 前置摄像头 |
Y |
| 后置摄像头分辨率（数字） |
13 MP |
| 闪光类型 |
LED |
| 地理标签 |
Y |
| 内置闪光灯 |
Y |
性能
| 话筒静音 |
Y |
| 个人信息管理 |
Alarm clock, Calculator, Calendar, Notes |
| 支持联络小组 |
Y |
呼叫处理
| 主叫号码 |
Y |
| 呼叫转移 |
Y |
| 通话保持 |
Y |
| 语音指令 |
Y |
| 免提听筒电话 |
Y |
| 会议呼叫能力 |
Y |
| 快速拨号 |
Y |
| 振动提示 |
Y |
| 呼叫等待 |
Y |
电池
| 连续视频播放时间 |
10.7 h |
| 浏览时间（Wi-Fi 无线网络） |
14.2 h |
| 音频连续播放时间 |
98 h |
| 待机时间（2G) |
888 h |
| 通话时间（3G） |
24 h |
| 通话时间（2G） |
30.3 h |
信息系统
| 短信服务(SMS) |
Y |
| 邮件 |
Y |
| 聊天 |
Y |
| MMS(多媒体信息服务) |
Y |
| 文本到语音邮件阅读器 |
Y |
| 即时传讯（IM） |
Y |
导航
| Wi-Fi定位 |
Y |
| GPS |
Y |
| 行人导航 |
Y |
| 辅助GPS功能（A - GPS) |
Y |
| GPS |
Y |
| 全球导航卫星定位系统（格洛纳斯系统GLONASS） |
Y |
联网
| 无线局域网连接 |
Y |
| 4G |
Y |
| 近场通信（NFC） |
Y |
| 3G |
Y |
| 3G标准 |
WCDMA |
| 可支持的3G频段 |
850, 900, 2100 MHz |
| SIM卡插槽 |
Dual SIM |
| 蓝牙 |
Y |
| 支持 4G 频段 |
2600, 2100, 1800, 900, 800 MHz |
| 2G标准 |
GSM |
| SIM卡类型 |
MicroSIM |
认证标准
| 身体辐射值（SAR）(欧洲) |
0.4 W/kg |
| 头部辐射值（SAR）（欧洲） |
0.69 W/kg |
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 |
| 最大内存卡大小 |
128 GB |
| USB大容量 |
Y |
显示器
| 触控技术 |
Multi-touch |
| 显示类型 |
IPS |
| 方位感应器 |
Y |
| 像素密度 |
259 ppi |
Qualcomm Snapdragon 400 (1.20 GHz), 1GB RAM, 8GB Flash/microSD up to 128GB, 14.478 cm (5.7 ") IPS LCD (1280 x 720/259ppi), 13/5MP, Micro USB 2.0, 802.11 b/g/n, Bluetooth 4.0, 4G/LTE, 3G/WCDMA, A-GPS/GLONASS, NFC, 3000mAh, Windows Phone 8.1, 171g, White
<b>Do more of what you love</b>
Stay connected with Skype, work from anywhere with Office, and keep track of your ideas with OneNote. Balancing work and play is easy when everything you need is on your phone. Get a Lumia 640 XL LTE Dual SIM and use Microsoft services to achieve more.
<b>Powerful ideas</b>
You never know when you’ll think of something amazing. And with an extra-large battery, you won’t be looking around for an outlet when you’re ready to act on your next great idea. Turning inspiration into action is easy when you have a 3000 mAh battery and a Qualcomm® Snapdragon™ processor.
<b>The best moments in life</b>
From snapping a quick picture on holiday to calling home with Skype, the Lumia 640 XL LTE Dual SIM helps you turn inspiring experiences into precious memories. Enjoy high-quality, wide-angle Skype calls with the 5 MP front-facing camera and take stunning photographs with the 13 MP main camera.
<b>Afterwork apps</b>
Enjoy your free-time with apps like TripAdvisor, WhatsApp, Instagram, and Flipboard. Restaurant reviews and the latest news articles are always just a few taps away. And with a 5.7 inch HD display, the things you love about your afterwork apps are bigger and better than ever before.
<b>A little goes a long way</b>
It’s the small things in life that make a big difference. From the convenience of Action Center to the magic of Live Tiles, the simplicity of Windows Phone makes everyday tasks easier so you can focus on doing what you love.
<b>Room for two</b>
Optimizing your calls is easy with the Lumia 640 XL LTE Dual SIM. Simply pick the best SIM card for each of your contacts and enable call waiting or call forwarding between SIM cards.
<b>A proactive personal assistant</b>
Let Cortana manage your daily activities and enjoy the feeling of a worry-free day. From location-based reminders to real-time traffic updates, life is easier when you don’t have to think about where you need to be, how to get there, or who you’re meeting.
<b>What would my Lumia look like?</b>
Try our personalization tool and create your own unique Lumia experience
