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Microsoft Lumia 640 XL Dual SIM Full Specs Pricing Pros & Cons

Release Date
2015, April
Camera
13MP
Battery
3000mAh
Processor
Snapdragon 400
Screen
5.7"
Storage
8GB , microSDXC
Ram
1GB RAM
Operating System
Microsoft Windows Phone 8.1

Introduction to Microsoft Lumia 640 XL Dual SIM

The Microsoft Lumia 640 XL Dual SIM is a remarkable smartphone that was announced in March 2015 and released a month later, in April 2015. Despite being discontinued, this device still captures the attention of smartphone enthusiasts who appreciate the unique combination of Microsoft Windows Phone 8.1 OS and cutting-edge hardware features for its time.

Design and Body

The Lumia 640 XL sports dimensions of 157.9 x 81.5 x 9 mm and weighs 171 g, providing a sturdy yet manageable feel. The phone fits comfortably in hand while offering a substantial screen size, making it ideal for media consumption and productivity tasks. The dual-SIM capability offers flexibility for users who balance work and personal life on one device.

Display

The device features a 5.7-inch IPS LCD capacitive touchscreen. With a screen-to-body ratio of approximately 69.1%, the Lumia 640 XL maximizes display area for an immersive viewing experience. The display resolution stands at 720 x 1280 pixels, with a 16:9 ratio, ensuring vibrant and clear visuals. The Corning Gorilla Glass 3 protection adds resilience to the screen against scratches and minor drops.

Performance and Platform

Under the hood, the Lumia 640 XL houses the Qualcomm MSM8226 Snapdragon 400 chipset with a quad-core 1.2 GHz Cortex-A7 CPU and Adreno 305 GPU. This combination offers smooth performance for daily tasks and basic gaming. The device originally runs on Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10, providing users with access to the latest features and security updates.

Memory and Storage

Equipped with 1GB RAM and 8GB of internal storage, the Lumia 640 XL supports multitasking and basic app usage efficiently. For users needing more storage, the device includes a dedicated microSDXC card slot, allowing expansion to accommodate apps, photos, music, and other data.

Camera

The photography capabilities of the Lumia 640 XL are noteworthy, featuring a 13 MP primary camera with an f/2.0 aperture, wide 28mm lens, and Zeiss optics. The LED flash enhances low-light photography, and the camera can record 1080p video at 30fps. The 5 MP front camera is well-suited for selfies and video calls, also supporting 1080p video recording.

Sound and Multimedia

The device includes a loudspeaker and a 3.5mm audio jack, offering clear audio for media playback and calls. It supports various multimedia formats and provides reliable audio quality for both music enthusiasts and casual listeners.

Connectivity

The Lumia 640 XL supports Wi-Fi 802.11 b/g/n, DLNA, and hotspot capabilities for versatile wireless connectivity. Bluetooth 4.0 with A2DP makes pairing with peripherals seamless. Built-in GPS, GLONASS, and BDS enhance navigation accuracy, while NFC and FM radio provide additional connectivity options. The microUSB 2.0 port enables charging and data transfer.

Battery Life

One of the highlights of the Lumia 640 XL is its robust battery life, powered by a removable 3000 mAh Li-Ion battery. The device can last up to 936 hours on standby (2G and 3G) and provides up to 31 hours 20 minutes of talk time on 2G, and up to 23 hours 40 minutes on 3G. This makes the phone reliable for extended use without frequent recharging.

Additional Features

The device includes a range of sensors such as an accelerometer, proximity sensor, compass, and sensor core, supporting various apps and enhancing user interaction. The Lumia 640 XL is available in an array of colors, including Matte Cyan, Orange, Black, Matte White, and Glossy White, allowing users to choose a style that suits their personality.

Price and Market Position

At launch, the Lumia 640 XL was priced around 170 EUR, positioning it as an affordable choice for users seeking a balance between performance and cost. Despite being discontinued, it remains a valued option in the secondhand market due to its solid build and Nokia's lens technology.

Conclusion

Overall, the Microsoft Lumia 640 XL Dual SIM stands as a testament to Microsoft's ability to deliver a compelling smartphone with premium features for its time. With its large display, reliable performance, and excellent camera capabilities, it remains a memorable device for enthusiasts of the Windows Phone platform.

Key Features of Microsoft Lumia 640 XL Dual SIM

  • Dual SIM functionality with dual stand-by
  • Large 5.7-inch IPS LCD display with Corning Gorilla Glass 3 protection
  • Upgrade available to Microsoft Windows 10 OS
  • Qualcomm Snapdragon 400 chipset with Quad-core processor
  • 13 MP main camera with Zeiss optics and LED flash
  • 5 MP front camera with 1080p video capability
  • Expandable storage via microSDXC card slot
  • Removable 3000 mAh battery with extensive standby and talk time
  • Support for NFC and FM radio
  • Available in multiple colors: Matte cyan, Orange, Black, Matte white, Glossy white

Disadvantages of Microsoft Lumia 640 XL Dual SIM

  • The device is discontinued, which means limited support and updates.
  • Display resolution is 720 x 1280 pixels, which might be considered low for a 5.7-inch screen by today's standards.
  • Only 1GB of RAM, which can be limiting for multitasking and running more demanding applications.
  • Internal storage of 8GB is quite limited, requiring the use of a microSD card for additional storage.
  • The Snapdragon 400 chipset is outdated, which can result in slower performance and inefficiencies compared to newer devices.
  • The processor is a Quad-core 1.2 GHz Cortex-A7, which might struggle with modern apps and games.
  • MicroUSB 2.0 instead of the more current USB-C standard.
  • Limited LTE support, only GSM and HSPA technologies supported which offers slower internet speeds compared to 4G or 5G.
Network
Technology GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100
Speed HSPA 42.2/5.76 Mbps
Launch
Announced 2015, March. Released 2015, April
Status Discontinued
Body
Dimensions 157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
Weight 171 g (6.03 oz)
SIM Dual SIM (Micro-SIM, dual stand-by)
Display
Type IPS LCD
Size 5.7 inches, 88.9 cm2 (~69.1% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~259 ppi density)
Protection Corning Gorilla Glass 3
Platform
OS Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset Qualcomm MSM8226 Snapdragon 400 (28 nm)
CPU Quad-core 1.2 GHz Cortex-A7
GPU Adreno 305
Memory
Card slot microSDXC (dedicated slot)
Internal 8GB 1GB RAM
Main Camera
Single 13 MP, f/2.0, 28mm (wide), 1/3.0", AF
Features Zeiss optics, LED flash
Video 1080p@30fps
Selfie camera
Single 5 MP
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth 4.0, A2DP
Positioning GPS, GLONASS, BDS
NFC Yes
Radio FM radio
USB microUSB 2.0
Features
Sensors Accelerometer, proximity, compass, sensor core
Battery
Type Li-Ion 3000 mAh, removable
Stand-by Up to 936 h (2G) / Up to 936 h (3G)
Talk time Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G)
Misc
Colors Matte cyan, Orange, Black, Matte white, Glossy white
Price About 170 EUR
Tests
Display Contrast ratio: 1119:1 (nominal), 3.065 (sunlight)
Camera Photo / Video
Loudspeaker Voice 72dB / Noise 67dB / Ring 73dB
Audio quality Noise -93.0dB / Crosstalk -94.4dB
Battery (old) Endurance rating 74h

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