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Brand | microsoft | blu | |
Model | microsoft lumia 640 xl | blu vivo go | |
Announced | 2015 March. Released 2015 April | 2018 December | |
Status | discontinued | Available. Released 2018 December | |
Device Body | |||
Dimensions | 157.9 x 81.5 x 9 mm ( 6.22 x 3.21 x 0.35 in ) | 156.7 x 75.2 x 8.4 mm ( 6.17 x 2.96 x 0.33 in ) | |
Weight in gram | 171 | 155 | |
SIM card | Micro-SIM | dual SIM ( Nano-SIM | dual stand-by ) | |
Water Resistance | No | ||
Display type | IPS LCD | IPS LCD capacitive touchscreen | 16millioncolors | |
Display resolution | 720 x 1280 pixels | 16 : 9 ratio ( ~259 pixel per inch density ) | 720 x 1440 pixels | 18 : 9 ratio ( ~268 pixel per inch density ) | |
Display size | 5.7 inches | 88.9 cm2 ( ~69.1% screen to body ratio ) | 6.0 inches | 92.9 cm2 ( ~78.8% screen to body ratio ) | |
Display Protection | corning gorilla glass 3 | ||
Operating System | microsoft windows phone 8.1 | upgradable to microsoft windows 10 | android 9.0 pie ( go edition ) | |
CPU | Quad-core 1.2 GHz cortex-a7 | Quad-core 1.5 GHz cortex-a53 | |
Chipset | Qualcomm msm8226 snapdragon 400 ( 28 nm ) | mediatek mt6739 ( 28 nm ) | |
GPU | adreno 305 | powervr ge8100 | |
Memory card | microsdxc ( dedicated slot ) | microsdxc | |
Memory v1 | 8gb 1gb RAM | 16gb 1gb RAM | |
Memory v2 | |||
Primary camera | 13 megapixel| lens aperture2.0 | 28mm ( wide ) | 1/3.0" | Auto focus | 8 megapixel| Auto focus 0.3 megapixel| ( depth ) | |
Secondary camera | 5 mega pixel | 5 mega pixel | |
Loud speaker | Yes | Yes | |
Audio jack | Yes | Yes | |
WLAN | Wi-Fi 802.11 b/g/n | dlna | hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot | |
Bluetooth | 4.0 | a2dp | 4.1.0 | a2dp | |
GPS | Yes with a-gps | ||
NFC | Yes | ||
Radio | FM Radio | FM Radio | |
USB | microusb 2.0 | microusb 2.0 | |
Sensors | accelerometer | proximity | compass | sensor core | fingerprint ( rear-mounted ) | accelerometer | proximity | |
Battery | Li-lon 3000 mAh | removable | Non-removable li-po 2600 mAh battery | |
Battery Charge | |||
Colors | cyan, orange, black, white, white color gradations | black | |
Network technology | gsm / hspa | gsm / hspa / lte | |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps | hspa 42.2/11.5 mbps lte cat4 150/50 mbps | |
GPRS | |||
EDGE | |||
Approx price |
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