Description
Microsoft Lumia 640 LTE Dual SIM | Full Specifications
NETWORK | 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 |
LAUNCH | Announced | 2015, March |
Status | Available. Released 2015, April |
BODY | Dimensions | 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
Weight | 145 g (5.11 oz) | |
SIM | Dual SIM (Micro-SIM, dual stand-by) |
DISPLAY | Type | IPS LCD capacitive touchscreen, 16M colors |
Size | 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio) | |
Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | |
Protection | Corning Gorilla Glass 3 | |
ClearBlack display |
PLATFORM | OS | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 |
Chipset | Qualcomm MSM8926 Snapdragon 400 (28 nm) | |
CPU | Quad-core 1.2 GHz Cortex-A7 | |
GPU | Adreno 305 |
MEMORY | Card slot | microSD, up to 256 GB (dedicated slot) |
Internal | 8GB 1GB RAM |
MAIN CAMERA | Single | 8 MP, f/2.2, 28mm (wide), 1/4″, AF |
Features | LED flash | |
Video | 1080p@30fps |
SELFIE CAMERA | Single | 1 MP |
Video | 720p |
SOUND | 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 | Sensors | Accelerometer, proximity, compass |
BATTERY | Removable Li-Ion 2500 mAh battery | |
Stand-by | Up to 864 h (2G) / Up to 864 h (3G) | |
Talk time | Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G) |
MISC | Colors | Glossy cyan, Orange, White, Matte black |
Price | About 150 EUR |
TESTS | Display | Contrast ratio: 1034 (nominal), 2.563 (sunlight) |
Loudspeaker | Voice 70dB / Noise 65dB / Ring 75dB | |
Audio quality | Noise -93.1dB / Crosstalk -93.2dB | |
Battery life | Endurance rating 76h |