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Microsoft Lumia 550

Microsoft Lumia 640 LTE

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Microsoft Lumia 550
MORE PICTURES Microsoft Lumia 640 LTE
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Microsoft Lumia 550

Microsoft Lumia 640 LTE

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
  HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile
4G Network 1, 3, 7, 8, 20 1, 3, 7, 8, 20
  1, 2, 4, 5, 7, 12, 17 - T-Mobile
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Launch
Announced 2015, October. Released 2015, December 2015, March. Released 2015, April
Status Discontinued Discontinued
Body
Dimensions 136.1 x 67.8 x 9.9 mm (5.36 x 2.67 x 0.39 in) 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight 141.9 (5.01 oz) 145 g (5.11 oz)
SIM Nano-SIM Micro-SIM
Display
Type IPS LCD, IPS LCD
Size 4.7 inches, 59.7 cm2 (~64.7% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~315 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection Corning Gorilla Glass 3
  ClearBlack display
Platform
OS Microsoft Windows 10 Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset Qualcomm MSM8909 Snapdragon 210 (28 nm) Qualcomm MSM8926 Snapdragon 400 (28 nm)
CPU Quad-core 1.1 GHz Cortex-A7 Quad-core 1.2 GHz Cortex-A7
GPU Adreno 304 Adreno 305
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 8GB 1GB RAM 8GB 1GB RAM
 eMMC 4.5 eMMC 4.5
Main Camera
Modules 5 MP, f/2.4, 1/4.0", AF 8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features LED flash LED flash
Video 720p@30fps 1080p@30fps
Selfie Camera
Modules 2 MP, f/2.8 1 MP
Video 480p 720p
ADVERTISEMENT
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth 4.1, A2DP 4.0, A2DP
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC No Yes
Infrared port No No
Radio FM radio FM radio
USB microUSB 2.0 microUSB 2.0
Features
Sensors Accelerometer, proximity Accelerometer, proximity, compass
Battery
Type Li-Ion 2100 mAh, removable Li-Ion 2500 mAh, removable
Stand-by Up to 672 h (2G) / Up to 672 h (3G) Up to 864 h (2G) / Up to 864 h (3G)
Talk time Up to 16 h (2G) / Up to 14 h (3G) Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
Music play Up to 60 h
Misc
Colors Black, White Glossy cyan, Orange, White, Matte black
Price About 90 EUR About 120 EUR
Tests
Display Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 70dB / Noise 65dB / Ring 75dB
Audio quality Noise -93.1dB / Crosstalk -93.2dB
Battery (old) Endurance rating 42h Endurance rating 76h

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