In depth comparison and review of Microsoft Lumia 640 XL LTE Dual Sim and Microsoft Lumia 550. 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 550 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 157.9 mm | 136.1 mm | Microsoft Lumia 640 XL LTE Dual Sim has greater height than Microsoft Lumia 550. |
| Width | 81.5 mm | 67.8 mm | Microsoft Lumia 640 XL LTE Dual Sim has greater width than Microsoft Lumia 550. |
| Depth | 9 mm | 9.9 mm | Microsoft Lumia 640 XL LTE Dual Sim is narrower than Microsoft Lumia 640 XL LTE Dual Sim. |
| Weight | 171 g | 142 g | Microsoft Lumia 550 is lighter than Microsoft Lumia 640 XL LTE Dual Sim. |
| Body Colour | Black | White | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.4 W/kg (body), 0.69 W/kg (head) | 0.5 W/kg (body), 0.63 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 |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | - |
| DISPLAY | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | - | TFT | |
| Screen Size (Display Size) | 5.7" | 4.7" | Microsoft Lumia 640 XL LTE Dual Sim has larger screen size than Microsoft Lumia 550. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1280 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD | HD | |
| Pixel Density | 259 ppi | 315 ppi | Microsoft Lumia 550 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 Features | ClearBlack | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 210 | |
|---|---|---|---|
| Clock Speed | 1.2 GHz | 1.1 GHz | Microsoft Lumia 640 XL LTE Dual Sim has higher clock speed than Microsoft Lumia 550. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| MEMORY | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| RAM | 1 GB | 1 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 8 GB | Both phones have the same internal memory capacity. |
| 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 550 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 5 Megapixel | Microsoft Lumia 640 XL LTE Dual Sim has better camera resolution than Microsoft Lumia 550. |
| Sensor Type | BSI | - | |
| Lens Aperture | F/2.0 | F/2.4 | Microsoft Lumia 640 XL LTE Dual Sim has better lens aperture than Microsoft Lumia 640 XL LTE Dual Sim. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 28 mm | 28 mm | |
| Digital Zoom | 4x | 2x | Microsoft Lumia 640 XL LTE Dual Sim has better digital zoom than Microsoft Lumia 550. |
| White Balance | - | Automatic, presets | |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1280 x 720 (720p) | |
| Camera Features (Functions) | Carl Zeiss optic, Lumia Refocus | Auto exposure |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 2 Megapixel | Microsoft Lumia 640 XL LTE Dual Sim has better front camera resolution than Microsoft Lumia 550. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.8 | |
| Video Resolutions (Front) | - | 854 x 480 (480p) |
| BATTERY AND CHARGING | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 2100 mAh | Microsoft Lumia 640 XL LTE Dual Sim has larger battery capacity than Microsoft Lumia 550. |
|---|---|---|---|
| Standby Time | 888 hours | 672 hours | Microsoft Lumia 640 XL LTE Dual Sim has longer standby time than Microsoft Lumia 550. |
| Talk Time | 1800 minutes | 1020 minutes | Microsoft Lumia 640 XL LTE Dual Sim has longer battery life when making calls than Microsoft Lumia 550. |
| 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 960 min Talk (WCDMA): up to 840 min Playback (Music): up to 60 hrs Playback (video): up to 7.1 hrs Active online usage (Wi-Fi): up to 10 hrs Talk (LTE): up to 1020 min Standby: up to 672 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| 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 (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 550 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28 | Band 1, Band 3, Band 7, Band 8, Band 20 | |
| 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 1800+, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| 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 | - | Microsoft Lumia 640 XL LTE Dual Sim has 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 | |
| Communication Features | Mobile Email client, Internet browser, LTE Cat.4 | - | |
| Messaging Services | Skype, WhatsApp, SMS, MMS | Skype, WhatsApp, SMS, MMS |
| MEDIA | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| Supported Digital Audio Standards | AAC, AMR, MP3 | AMR, AAC-LC | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, AVC, MPEG-4, WMV, H.264, H.263 | VC-1, AVC, MPEG-4, WMV, H.264, H.263, HEVC |
| FEATURES | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| 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 | |
| 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, Text-to-Speech (text recognition), Kid's Corner, Noise Cancellation Technology, Lumia Color profile, Glance screen, Alarm Clock |
| OTHERS | Microsoft Lumia 640 XL LTE Dual Sim | Microsoft Lumia 550 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B ciphers |
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