In depth comparison and review of Microsoft Lumia 640 XL LTE 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 | Microsoft Lumia 550 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 157.9 mm | 136.1 mm | Microsoft Lumia 640 XL LTE has greater height than Microsoft Lumia 550. |
Width | 81.5 mm | 67.8 mm | Microsoft Lumia 640 XL LTE has greater width than Microsoft Lumia 550. |
Depth | 9 mm | 9.9 mm | Microsoft Lumia 640 XL LTE is narrower than Microsoft Lumia 640 XL LTE. |
Weight | 171 g | 142 g | Microsoft Lumia 550 is lighter than Microsoft Lumia 640 XL LTE. |
Body Colour | Matte cyan | Black | Orange | Matt white | Matte 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 |
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SIM Card Type (Size) | Micro SIM | Nano SIM |
DISPLAY | Microsoft Lumia 640 XL LTE | Microsoft Lumia 550 |
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Display Type | LCD display | LCD display | |
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Display Technology | IPS | TFT | |
Screen Size (Display Size) | 5.7" | 4.7" | Microsoft Lumia 640 XL LTE 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. |
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 | Microsoft Lumia 550 |
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Processor Type (CPU) | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 210 | |
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Clock Speed | 1.2 GHz | 1.1 GHz | Microsoft Lumia 640 XL LTE 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 | Microsoft Lumia 550 |
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RAM | 1 GB | 1 GB | Both phones have the same RAM size. |
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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 | Microsoft Lumia 550 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 1 | |
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Sensor Resolution | 13 Megapixel | 5 Megapixel | Microsoft Lumia 640 XL LTE has better camera resolution than Microsoft Lumia 550. |
Sensor Type | BSI | - | |
Lens Aperture | F/2.0 | F/2.4 | Microsoft Lumia 640 XL LTE has better lens aperture than Microsoft Lumia 640 XL LTE. |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | 28 mm | 28 mm | |
Digital Zoom | 4x | 2x | Microsoft Lumia 640 XL LTE 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 |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 2 Megapixel | Microsoft Lumia 640 XL LTE has better front camera resolution than Microsoft Lumia 550. |
Lens Type (Front) | Wide-angle lens | Wide-angle lens | |
Lens Aperture (Front) | F/2.4 | F/2.8 | Microsoft Lumia 640 XL LTE has better front lens aperture than Microsoft Lumia 640 XL LTE. |
Video Resolutions (Front) | 1920 x 1080 (1080p) | 854 x 480 (480p) |
BATTERY AND CHARGING | Microsoft Lumia 640 XL LTE | Microsoft Lumia 550 |
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Battery Capacity (Battery Size) | 3000 mAh | 2100 mAh | Microsoft Lumia 640 XL LTE has larger battery capacity than Microsoft Lumia 550. |
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Standby Time | 888 hours | 672 hours | Microsoft Lumia 640 XL LTE has longer standby time than Microsoft Lumia 550. |
Talk Time | 1818 minutes | 1020 minutes | Microsoft Lumia 640 XL LTE has longer battery life when making calls than Microsoft Lumia 550. |
Run Time Details | Talk (GSM): up to 1818 min Talk (WCDMA): up to 1440 min Playback (video): up to 10.7 hrs Playback (Music): up to 98 hrs Active online usage (Wi-Fi): up to 14.2 hrs Standby: 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 |
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Battery Technology | Lithium Ion | - |
CELLULAR | Microsoft Lumia 640 XL LTE | Microsoft Lumia 550 |
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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 | Windows 10 | |
Intelligent Assistant | Cortana | Cortana | |
Navigation | A-GPS, GLONASS, BeiDou | A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | Microsoft Lumia 640 XL LTE | Microsoft Lumia 550 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | |
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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 3, Band 7, Band 8, Band 20 | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | 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 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 | - | |
Messaging Services | Skype, WhatsApp, SMS, MMS | Skype, WhatsApp, SMS, MMS |
MEDIA | Microsoft Lumia 640 XL LTE | Microsoft Lumia 550 |
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Supported Digital Audio Standards | AAC, AMR, MP3 | AMR, AAC-LC | |
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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, HEVC |
FEATURES | Microsoft Lumia 640 XL LTE | Microsoft Lumia 550 |
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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 | |
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, Text-to-Speech (text recognition), Kid's Corner, Noise Cancellation Technology, Lumia Color profile, Glance screen, Alarm Clock |
OTHERS | Microsoft Lumia 640 XL LTE | Microsoft Lumia 550 |
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Included Accessories | Power adapter | Power adapter | |
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Compliant Standards | SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B encryption | SSL v3, TLS v1.2, TLS v1.0, TLS v1.1, Suite B ciphers |