In depth comparison and review of Microsoft Lumia 640 XL LTE Dual Sim and Microsoft Lumia 950. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
DESIGN AND DIMENSIONS | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 157.9 mm | 145 mm | Microsoft Lumia 640 XL LTE Dual Sim has greater height than Microsoft Lumia 950. |
Width | 81.5 mm | 73.2 mm | Microsoft Lumia 640 XL LTE Dual Sim has greater width than Microsoft Lumia 950. |
Depth | 9 mm | 8.2 mm | Microsoft Lumia 950 is narrower than Microsoft Lumia 640 XL LTE Dual Sim. |
Weight | 171 g | 150 g | Microsoft Lumia 950 is lighter than Microsoft Lumia 640 XL LTE Dual Sim. |
Body Colour | Black | Black | White | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.4 W/kg (body), 0.69 W/kg (head) | 0.6 W/kg (body), 0.48 W/kg (head) | |
Integrated Components | FM radio | FM radio | |
Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset / AV composite out - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Micro SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Single-SIM |
DISPLAY | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Display Type | LCD display | OLED display | |
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Display Technology | - | AMOLED | |
Screen Size (Display Size) | 5.7" | 5.2" | Microsoft Lumia 640 XL LTE Dual Sim has larger screen size than Microsoft Lumia 950. |
Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2560 x 1440 pixels | Microsoft Lumia 950 has better screen resolution than Microsoft Lumia 640 XL LTE Dual Sim. |
Display Format | HD | QHD | |
Pixel Density | 259 ppi | 564 ppi | Microsoft Lumia 950 has better pixel density than Microsoft Lumia 640 XL LTE Dual Sim. |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Enhancement Technology | - | Sunlight Readability Enhancement (SRE) | |
Display Features | ClearBlack | ClearBlack | |
Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
PROCESSOR | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Processor Type (CPU) | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 808 | |
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Clock Speed | 1.2 GHz | 1.8 GHz | Microsoft Lumia 950 has higher clock speed than Microsoft Lumia 640 XL LTE Dual Sim. |
Processor Core Qty | Quad-core | 6-core | Microsoft Lumia 950 has higher processor core quantity than Microsoft Lumia 640 XL LTE Dual Sim. |
64-bit Architecture | - | Yes | Microsoft Lumia 950 has 64-bit architecture. |
MEMORY | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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RAM | 1 GB | 3 GB | Microsoft Lumia 950 has more RAM than Microsoft Lumia 640 XL LTE Dual Sim. |
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Internal Memory Size (Storage Capacity) | 8 GB | 32 GB | Microsoft Lumia 950 has more internal memory than Microsoft Lumia 640 XL LTE Dual Sim. |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 200 GB |
CAMERA | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 1 | |
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Sensor Resolution | 13 Megapixel | 20 Megapixel | Microsoft Lumia 950 has better camera resolution than Microsoft Lumia 640 XL LTE Dual Sim. |
Sensor Size | - | 1/2.4" | |
Sensor Type | BSI | BSI | |
Lens Aperture | F/2.0 | F/1.9 | Microsoft Lumia 950 has better lens aperture than Microsoft Lumia 640 XL LTE Dual Sim. |
Lens Construction | - | 6-element | |
Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Microsoft Lumia 950 has optical stabilisation. |
Focus Adjustment | Automatic | Automatic, manual | |
Minimum Focal Length (Focal Distance) | 28 mm | 26 mm | |
Digital Zoom | 4x | - | |
Light Source | LED light | LED light | |
Video Resolutions | 1920 x 1080 (1080p) | 3840 x 2160 (4K) at 30 fps | |
Camera Features (Functions) | Carl Zeiss optic, Lumia Refocus | PureView technology, Fast AF, Natural flash |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
Lens Type (Front) | - | Wide-angle lens | |
Lens Aperture (Front) | - | F/2.4 | |
Video Resolutions (Front) | - | 1920 x 1080 (1080p) |
BATTERY AND CHARGING | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
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Wireless Charging | - | Yes | Microsoft Lumia 950 can be charged wirelessly. |
Wireless Charging Standards | - | Qi | |
Standby Time | 888 hours | 288 hours | Microsoft Lumia 640 XL LTE Dual Sim has longer standby time than Microsoft Lumia 950. |
Talk Time | 1800 minutes | 1380 minutes | Microsoft Lumia 640 XL LTE Dual Sim has longer battery life when making calls than Microsoft Lumia 950. |
Run Time Details | Talk (GSM): up to 1800 min Talk (WCDMA): up to 1440 min Playback (video): up to 11 hrs Playback (Music): up to 98 hrs Active online usage (Wi-Fi): up to 14 hrs Standby (dual SIM): up to 888 hrs |
Talk (GSM): up to 1380 min Talk (WCDMA): up to 1080 min Playback (video): up to 10 hrs Playback (Music): up to 67 hrs Active online usage (Wi-Fi): up to 9.5 hrs Standby: up to 288 hrs |
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Battery Technology | Lithium Ion | Lithium Ion |
CELLULAR | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Windows Phone OS 8.1 with Lumia Denim update (upgradable to Windows 10) | Windows 10 | |
Intelligent Assistant | - | Cortana | |
Navigation | A-GPS, GLONASS, BeiDou | A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 38, Band 40 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
Bluetooth Profiles | HFP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, GATT | HFP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, GATT, HOGP | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
WLAN Security | WEP, WPA, WPA2, TKIP, AES | WEP, WPA, WPA2, TKIP, AES, EAP SIM, EAP-TTLS/MSCHAPv2, EAP-AKA, EAP-TLS, PEAPv0/EAP-MSCHAPv2 | |
Communication Features | Mobile Email client, Internet browser, LTE Cat.4 | - | |
Messaging Services | Skype, WhatsApp, SMS, MMS | Skype, SMS, MMS |
MEDIA | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Supported Digital Audio Standards | AAC, AMR, MP3 | AAC, AMR, MP3, GSM FR | |
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Supported Digital Video Standards | VC-1, AVC, MPEG-4, WMV, H.264, H.263 | VC-1, AVC, MPEG-4, WMV, H.264, H.263 |
FEATURES | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Phone Functions | Speakerphone, voice control, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, magnetometer | Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor | |
Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - | |
Dual SIM Card Capability | Yes | - | |
Additional Phone Features | TTY compatible, DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, Kid's Corner, Noise Cancellation Technology, Lumia Color profile, Word Flow keyboard, Power Saving Mode, SensorCore technology | TTY compatible, DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, Kid's Corner, Noise Cancellation Technology, Lumia Color profile, MIMO technology, Word Flow keyboard, Power Saving Mode, Wi-Fi Calling, four microphones, SensorCore technology, Lumia Rich Recording technology, Projection Screen, Alarm Clock, Fast Charging |
OTHERS | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 950 |
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Included Accessories | Power adapter | Power adapter, USB-C cable | |
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Compliant Standards | - | SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B ciphers |