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Microsoft Lumia 640 LTE Dual SIM özellikleri
Dual SIM (Micro-SIM, dual stand-by)
2015, March. Released 2015, April
- 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 - 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40
- Speed - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
- Announced - 2015, March. Released 2015, April
- Status - Discontinued
- 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)
- 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
- Protection - ClearBlack display
- 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
- Card slot - microSDXC (dedicated slot)
- Internal - 8GB 1GB RAM
- Internal - eMMC 4.5
- Single - 8 MP, f/2.2, 28mm (wide), 1/4.0", AF
- Features - LED flash
- Video - 1080p@30fps
- Single - 1 MP
- Video - 720p
- Loudspeaker - Yes
- 3.5mm jack - Yes
- WLAN - Wi-Fi 802.11 b/g/n, DLNA, hotspot
- Bluetooth - 4.0, A2DP
- Positioning - GPS, GLONASS, BDS
- NFC - Yes
- Radio - FM radio
- USB - microUSB 2.0
- Sensors - Accelerometer, proximity, compass
- 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)
- Colors - Glossy cyan, Orange, White, Matte black
- Price - About 150 EUR
- 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
