Side-by-side technical data

Microsoft Lumia 640 LTE vs Microsoft Lumia 950 XL

Comparison between Microsoft Lumia 640 LTE and Microsoft Lumia 950 XL: camera, battery, fast charging, display, performance and colors, side by side. More phones from Microsoft.

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Lumia 640 LTE

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Lumia 950 XL

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The verdict

Your pick: Microsoft Lumia 950 XL, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.

Category
Category	Lumia 640 LTE	Lumia 950 XL
Design & display	4.8	7.2
Performance & hardware	1.3	2.5
Camera	2.1	5.0
Connectivity	3.8	4.8
Battery & charging	1.4	3.8

Which one is for you?

Microsoft Lumia 640 LTE, if you care about…

Weight: 145 g; against 165 g
Talk time: 26 h 30 min; against 25 h
Standby time: 864 h; against 288 h

Microsoft Lumia 950 XL, if you care about…

Battery Capacity: 3,340 mAh; against 2,500 mAh
RAM Capacity: 3 GB; against 1 GB
Wi-Fi Standards: Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac); against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
Storage Type: eMMC 5.0; against eMMC 4.51

Specification comparison

Show differences only

Performance

Specification	Lumia 640 LTE	Lumia 950 XL
Processor Model	Qualcomm Snapdragon 400	Qualcomm Snapdragon 810
Processor Process Size	28 nm	20 nm Best value
Graphics GPU	Qualcomm Adreno 305	Qualcomm Adreno 430
Storage Type	eMMC 4.51	eMMC 5.0 Best value
Maximum CPU Clock	1.2 GHz	2 GHz Best value
Maximum Storage Capacity	8 GB	32 GB Best value
CPU Description	Quad-core 1.2 GHz Cortex-A7	Octa-core processor with four 1.5 GHz Cortex-A53 cores and four 2.0 GHz Cortex-A57 cores.
Processor Type	Quad-Core	Octa-Core
64-Bit Processor	No	Yes Best value
RAM Capacity	1 GB	3 GB Best value
RAM Type	DDR3	DDR4 Best value
Expandable Storage	Yes	Yes
Maximum memory card	—	200 GB

Design

Specification	Lumia 640 LTE	Lumia 950 XL
Body Colors	Cyan, Orange, White, Black	Black, White
Body Thickness	8.8 mm	8.1 mm Best value
Body Width	72.2 mm	78.4 mm
Body Height	141.3 mm	151.9 mm
Weight	145 g Best value	165 g
Usable Surface	67.6 %	75.2 % Best value

Battery

Specification	Lumia 640 LTE	Lumia 950 XL
Battery Capacity	2,500 mAh	3,340 mAh Best value
Battery Type	Li-Ion	Li-Ion
Fast Charge Power	—	18 W
Battery Features	Battery Level Indicator, Rechargeable, Removable	Fast Charging, Wireless Charging, Battery Level Indicator, Rechargeable, Removable
Wireless charging power	—	18 W
Talk time	26 h 30 min Best value	25 h
Standby time	864 h Best value	288 h
Music playback time	—	75 h

Display

Specification	Lumia 640 LTE	Lumia 950 XL
Display Aspect Ratio	16:9	16:9
Display Technology	IPS LCD	AMOLED Best value
Display Diagonal	5″	5.7″ Best value
Display Horizontal Resolution	720 px	1,440 px Best value
Display Vertical Resolution	1,280 px	2,560 px Best value
Display Pixel Density	294 ppi	515 ppi Best value
Display Contrast Ratio	—	3.837 :1
Display Features	Gorilla Glass 3, Touchscreen	ClearBlack Display, Gorilla Glass 4, Touchscreen

Sensor

Specification	Lumia 640 LTE	Lumia 950 XL
Sensor Features	Accelerometer, Proximity Sensor, Compass	Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer

Software

Specification	Lumia 640 LTE	Lumia 950 XL
Operating System	Windows Phone 8.1	Windows 10 Mobile
OS Family	Windows Phone	Windows Phone
OS Version	8.1	10 Best value

Connectivity

Specification	Lumia 640 LTE	Lumia 950 XL
SIM Configurations	Dual Micro-SIM	Dual Nano-SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B40	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B40
Cellular Technologies	GSM, HSPA, UMTS, LTE, 4G	GSM, HSPA, UMTS, LTE, 4G
Wi-Fi Standards	Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)	Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value
Wi-Fi Features	DLNA, Wi-Fi Hotspot	Dual Band, Wi-Fi Hotspot
Bluetooth Version	Bluetooth 4.0	Bluetooth 4.1 Best value
Bluetooth Profiles	A2DP	A2DP
Navigation Systems	GPS, GLONASS, BeiDou	GPS, GLONASS, BeiDou
Connectivity Features	3.5 mm Audio Jack, NFC, FM Radio, microUSB, USB 2.0, DLNA	3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, USB Charging, DLNA
USB Version	USB 2.0	USB 3.1 Best value

Audio

Specification	Lumia 640 LTE	Lumia 950 XL
Microphone Count	2	2
Audio Features	A2DP, Loudspeaker	A2DP, Loudspeaker, Stereo Speakers Best value

Features

Specification	Lumia 640 LTE	Lumia 950 XL
Built-in functions	—	Microsoft Continuum Support