Microsoft Lumia 640 LTE specs, comparisons, faq, opinions

Microsoft Lumia 640 LTE
  • Released 2015, April 145g, 8.8mm thickness Microsoft Windows Phone 8.1 8GB storage, microSDXC
  • Quad-core 1.2 GHz Cortex-A7 Adreno 305 Micro-SIM About 134.4 USD
  • 5" 720x1280 pixels
  • 8MP 1080p
  • 1GB RAM Snapdragon 400
  • 2500mAh Li-Ion

Microsoft Lumia 640 LTE overview

Microsoft Lumia 640 LTE is a smartphone that runs on Windows Phone. It was released on 2015, April. Microsoft Lumia 640 LTE has 5. inch, IPS LCD, a resolution of 720 x 1280 pixels screen with Corning Gorilla Glass 3. Microsoft Lumia 640 LTE uses Qualcomm MSM8926 Snapdragon 400 (28 nm) chipset, Quad-core 1.2 GHz Cortex-A7 CPU, Adreno 305 GPU. Microsoft Lumia 640 LTE supports 2G, 3G, 4G networks with Micro-SIM. It has 8MP Single main camera, 1MP Single selfie camera. It uses Li-Ion 2500 mAh, removable battery. The price of Microsoft Lumia 640 LTE is about 134.4 USD.

Score the key features of Microsoft Lumia 640 LTE compared to the other phones on the market:

  • CPU Cores: 56 / 100 points
  • Camera pixels: 30 / 100 points
  • Screen resolution: 36 / 100 points
  • Battery capacity: 64 / 100 points
  • Price: 28 / 100 points

Microsoft Lumia 640 LTE full specifications

NETWORK

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile
4G bands 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

LAUNCH

Announced 2015, March. Released 2015, April
Status Discontinued

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 Micro-SIM

DISPLAY

Type IPS LCD
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 microSDXC (dedicated slot)
Internal 8GB 1GB RAM
  eMMC 4.5

MAIN CAMERA

Single 8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features LED flash
Video 1080p@30fps

SELFIE CAMERA

Single 1 MP
Video 720p

SOUND

Loudspeaker Yes
3.5mm jack Yes

COMMUNICATIONS

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

Type Li-Ion 2500 mAh, removable
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)

MISCELLANEOUS

Colors Glossy cyan, Orange, White, Matte black
Price About 134.4 USD

TESTS

Display Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Camera Photo / Video
Loudspeaker Voice 70dB / Noise 65dB / Ring 75dB
Audio quality Noise -93.1dB / Crosstalk -93.2dB
Battery life Endurance rating 76h

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