Compare Devices
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Brand |
microsoft | microsoft | microsoft |
Model |
microsoft lumia 640 dual sim | microsoft lumia 550 | microsoft lumia 950 xl |
Announced |
2015 March. Released 2015 April | 2015 October. Released 2015 December | 2015 October. Released 2015 November |
Status |
discontinued | discontinued | discontinued |
Device Body |
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Dimensions |
141.3 x 72.2 x 8.8 mm ( 5.56 x 2.84 x 0.35 in ) | 136.1 x 67.8 x 9.9 mm ( 5.36 x 2.67 x 0.39 in ) | 151.9 x 78.4 x 8.1 mm ( 5.98 x 3.09 x 0.32 in ) |
Weight in gram |
145 | 165 | |
SIM card |
dual SIM ( Micro-SIM | dual stand-by ) | Nano-SIM | Nano-SIM |
Water Resistance |
No | No | No |
Display type |
IPS LCD | IPS LCD | | AMOLED |
Display resolution |
720 x 1280 pixels | 16 : 9 ratio ( ~294 pixel per inch density ) | 720 x 1280 pixels | 16 : 9 ratio ( ~315 pixel per inch density ) | 1440 x 2560 pixels | 16 : 9 ratio ( ~518 pixel per inch density ) |
Display size |
5.0 inches | 68.9 cm2 ( ~67.6% screen to body ratio ) | 4.7 inches | 59.7 cm2 ( ~64.7% screen to body ratio ) | 5.7 inches | 88.5 cm2 ( ~74.3% screen to body ratio ) |
Display Protection |
corning gorilla glass 3 | corning gorilla glass 4 | |
Operating System |
microsoft windows phone 8.1 | upgradable to microsoft windows 10 | microsoft windows 10 | microsoft windows 10 |
CPU |
Quad-core 1.2 GHz cortex-a7 | Quad-core 1.1 GHz cortex-a7 | Octa-core ( 4x1.5 GHz cortex-a53 & 4x2.0 GHz cortex-a57 ) |
Chipset |
Qualcomm msm8926 snapdragon 400 ( 28 nm ) | Qualcomm msm8909 snapdragon 210 ( 28 nm ) | Qualcomm msm8994 snapdragon 810 ( 20 nm ) |
GPU |
adreno 305 | adreno 304 | adreno 430 |
Memory card |
microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) |
Memory v1 |
8gb 1gb RAM | 8gb 1gb RAM | 32gb 3gb RAM |
Memory v2 |
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Primary camera |
8 megapixel| lens aperture2.2 | 28mm ( wide ) | 1/4.0" | Auto focus |
5 megapixel| lens aperture2.4 | 1/4.0" | Auto focus |
20 megapixel| lens aperture1.9 | 26mm ( wide ) | 1/2.4" | 1.12µm | Auto focus | OIS |
Secondary camera |
1 mega pixel |
2 megapixel| lens aperture2.8 |
5 megapixel| lens aperture2.4 |
Loud speaker |
Yes | Yes | Yes |
Audio jack |
Yes | Yes | Yes |
WLAN |
Wi-Fi 802.11 b/g/n | dlna | hotspot | Wi-Fi 802.11 b/g/n | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | hotspot |
Bluetooth |
4.0 | a2dp | 4.1.0 | a2dp | 4.1.0 | a2dp |
GPS |
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NFC |
No | No | Yes |
Radio |
FM Radio | FM Radio | FM Radio |
USB |
microusb 2.0 | microusb 2.0 | USB Type-C 3.1.0 |
Sensors |
accelerometer | proximity | compass | accelerometer | proximity | iris scanner | accelerometer | gyroscope | proximity | compass | barometer | sensor core |
Battery |
Li-lon 2500 mAh | removable | Li-lon 2100 mAh | removable | Li-lon 3340 mAh | removable |
Battery Charge |
18w wired | wireless ( Qi ) ( market dependent ) | ||
Colors |
cyan color gradations, orange, white, black | black, white | black, white |
Network technology |
gsm / hspa | gsm / hspa / lte | gsm / hspa / lte |
5G bands |
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Network speed |
hspa 42.2/5.76 mbps | hspa 42.2/5.76 mbps lte cat4 150/50 mbps | hspa 42.2/5.76 mbps lte cat6 300/50 mbps |
GPRS |
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EDGE |
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Approx price |
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