Microsoft Lumia 640 XL LTE Dual SIM
Microsoft Lumia 640 XL LTE Dual SIM Windows Mobile smartphone. চালুর তারিখ Mar 2015. ফিচার: 5.7″ IPS LCD ডিসপ্লে, Snapdragon 400 chipset, 13 MP primary ক্যামেরা, 5 MP front ক্যামেরা, 3000 mAh ব্যাটারি, 8 জিবি storage, 1000 MB রেম, Corning Gorilla Glass 3.
| Network (নেটওয়ার্ক) | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G bands | HSDPA 850 / 900 / 1700 / 1900 / 2100 | |
| 4G bands | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300) | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| GPRS | Yes | |
| EDGE | Yes |
| Launch (চালু) | Announced | 2015, March |
|---|---|---|
| Status | Available. Released 2015, April |
| Body (বডি) | Dimensions | 157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) |
|---|---|---|
| Weight | 171 g (6.03 oz) | |
| SIM | Dual SIM (Micro-SIM, dual stand-by) |
| Display (ডিসপ্লে) | Type | IPS LCD capacitive touchscreen, 16M colors |
|---|---|---|
| Size | 5.7 inches, 88.9 cm2 (~69.1% screen-to-body ratio) | |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~259 ppi density) | |
| Multitouch | Yes | |
| Protection | Corning Gorilla Glass 3 | |
| - ClearBlack display |
| Device Platform প্লাটফর্ম | OS | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 |
|---|---|---|
| Chipset | Qualcomm MSM8226 Snapdragon 400 (28 nm) | |
| CPU | Quad-core 1.2 GHz Cortex-A7 | |
| GPU | Adreno 305 |
| Device Memory (মেমোরি) | Card slot | microSD, up to 256 GB (dedicated slot) |
|---|---|---|
| Internal | 8 GB, 1 GB RAM |
| Main Camera (ক্যামেরা) | Single | 13 MP, f/2.0, 28mm (wide), 1/3", AF |
|---|---|---|
| Features ফিচার | Zeiss optics, LED flash | |
| Video | 1080p@30fps |
| Selfie camera | Single | 5 MP |
|---|---|---|
| Video | 1080p@30fps |
| Sound (সাউন্ড) | Alert types | Vibration; MP3, WAV ringtones |
|---|---|---|
| Loudspeaker | Yes | |
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
|---|---|---|
| Bluetooth | 4.0, A2DP | |
| GPS | Yes, with A-GPS, GLONASS, BDS | |
| NFC | Yes | |
| Radio | FM radio | |
| USB | microUSB 2.0 |
| Features ফিচার | Sensors | Accelerometer, proximity, compass, sensor core |
|---|---|---|
| Messaging | SMS(threaded view), MMS, Email, Push Email, IM | |
| Browser | HTML5 | |
| - MP3/WAV/eAAC+/WMA player - MP4/H.264/WMV player - OneDrive (30 GB cloud storage) - Document viewer - Photo/video editor |
| Battery ব্যাটারি | Removable Li-Ion 3000 mAh battery | |
|---|---|---|
| Stand-by | Up to 936 h (2G) / Up to 936 h (3G) | |
| Talk time | Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G) |
| Misc | Colors | Matte cyan, Orange, Black, Matte white, Glossy white |
|---|---|---|
| Price | About 200 EUR |
| Tests | Display (ডিসপ্লে) | Contrast ratio: 1119:1 (nominal), 3.065 (sunlight) |
|---|---|---|
| Loudspeaker | Voice 72dB / Noise 67dB / Ring 73dB | |
| Audio quality | Noise -93.0dB / Crosstalk -94.4dB | |
| Battery ব্যাটারি life | Endurance rating 74h | |