Detailed comparison and review of Microsoft Lumia 640 and Microsoft Lumia 950 Dual SIM. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 141.3 mm | 145 mm | Microsoft Lumia 950 Dual SIM has greater height than Microsoft Lumia 640. |
| Width | 72.2 mm | 73.2 mm | Microsoft Lumia 950 Dual SIM has greater width than Microsoft Lumia 640. |
| Depth | 8.8 mm | 8.2 mm | Microsoft Lumia 950 Dual SIM is narrower than Microsoft Lumia 640. |
| Weight | 145 g | 150 g | Microsoft Lumia 640 is lighter than Microsoft Lumia 640. |
| Body Colour | Black | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.6 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 |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5" | 5.2" | Microsoft Lumia 950 Dual SIM has larger screen size than Microsoft Lumia 640. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2560 x 1440 pixels | Microsoft Lumia 950 Dual SIM has better screen resolution than Microsoft Lumia 640. |
| Display Format | HD | QHD | |
| Pixel Density | 294 ppi | 564 ppi | Microsoft Lumia 950 Dual SIM has better pixel density than Microsoft Lumia 640. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| 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 | Microsoft Lumia 950 Dual SIM |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 808 | |
|---|---|---|---|
| Clock Speed | 1.2 GHz | 1.8 GHz | Microsoft Lumia 950 Dual SIM has higher clock speed than Microsoft Lumia 640. |
| Processor Core Qty | Quad-core | 6-core | Microsoft Lumia 950 Dual SIM has higher processor core quantity than Microsoft Lumia 640. |
| 64-bit Architecture | - | Yes | Microsoft Lumia 950 Dual SIM has 64-bit architecture. |
| MEMORY | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| RAM | 1 GB | 3 GB | Microsoft Lumia 950 Dual SIM has more RAM than Microsoft Lumia 640. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 32 GB | Microsoft Lumia 950 Dual SIM has more internal memory than Microsoft Lumia 640. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 200 GB |
| CAMERA | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 20 Megapixel | Microsoft Lumia 950 Dual SIM has better camera resolution than Microsoft Lumia 640. |
| Sensor Type | - | BSI | |
| Lens Aperture | F/2.2 | F/1.9 | Microsoft Lumia 950 Dual SIM has better lens aperture than Microsoft Lumia 640. |
| Lens Construction | - | 6-element | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Microsoft Lumia 950 Dual SIM has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic, motorised | |
| 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) | |
| Camera Features (Functions) | Lumia Refocus | PureView technology, Fast AF |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 0.9 Megapixel | 5 Megapixel | Microsoft Lumia 950 Dual SIM has better front camera resolution than Microsoft Lumia 640. |
| 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 | Microsoft Lumia 950 Dual SIM |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 3000 mAh | Microsoft Lumia 950 Dual SIM has larger battery capacity than Microsoft Lumia 640. |
|---|---|---|---|
| Wireless Charging | - | Yes | Microsoft Lumia 950 Dual SIM can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Standby Time | 864 hours | 275 hours | Microsoft Lumia 640 has longer standby time than Microsoft Lumia 950 Dual SIM. |
| Talk Time | 1590 minutes | 1380 minutes | Microsoft Lumia 640 has longer battery life when making calls than Microsoft Lumia 950 Dual SIM. |
| Run Time Details | Talk (GSM): up to 1590 min Talk (WCDMA): up to 1050 min Playback (video): up to 8.6 hrs Playback (Music): up to 86 hrs Active online usage (Wi-Fi): up to 10.8 hrs Standby: up to 864 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 275 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Windows Phone OS 8.1 with Lumia Denim update | Windows 10 | |
| Intelligent Assistant | Cortana | Cortana | |
| Navigation | A-GPS, GLONASS, BeiDou | A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20 | 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 1800+, FDD 2600, FDD 900, FDD 800 DD | 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 | - | |
| Messaging Services | Skype, WhatsApp, SMS, MMS | Skype, WhatsApp, SMS, MMS |
| MEDIA | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| Supported Digital Audio Standards | AAC, AMR, MP3 | AAC, AMR, MP3, GSM FR | |
|---|---|---|---|
| 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 | Microsoft Lumia 950 Dual SIM |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| 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 | - | |
| 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, Projection Screen, Alarm Clock |
| OTHERS | Microsoft Lumia 640 | Microsoft Lumia 950 Dual SIM |
|---|
| Included Accessories | Power adapter | USB cable, power adapter | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B ciphers |
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