The Microsoft Lumia 640 XL is one of Microsoft’s Lumia series phones and it’s also available as a Dual SIM model. It’s the best-equipped window phone in the Lumia 640 series – it got a massive 5.7″ screen and a nice 13MP camera. The Lumia 640 is ready to reach out for new users for Microsoft’s mobile platform by offering a smooth, stable window phone experience on big screen, all with a just 10000 price tag.
The Microsoft Lumia 640 XL packs a 5.7″ ClearBlack IPS display of 720 resolution. The pixel density of 259ppi provides reasonable sharpness and the image quality is good.
Microsoft Lumia 640 XL is powered by the often used but now dated Snapdragon 400 chipset. It has four Cortex-A7 processor cores clocked at 1.2GHz, Adreno 305 graphics common for most of the Windows Phone with 1GB RAM provided. The chipset is a used in low-end Android phones – it is considered minimum for proper smartphone user experience. Under Windows Phone, it’s even better, as the OS has been carefully optimized to run on that specific hardware.
Microsoft Lumia 640XL has a 13MP auto-focus camera, coupled with a LED flash though it lacks a dedicated camera key. The Lumia camera interface is very familiar – it offers a conventional option like white balance, focus, ISO, shutter speed up to 4s and exposure settings. You can choose MP option like 13MP 4:3 mode and 10MP 16:9 samples, there are no more other resolution options.
Microsoft Lumia 640 XL Dual SIM is powered by a 3,000 mAh battery. According to the official company stats, it should be last long for about a day 3G talks and 39 days on standby.
But after test, the Lumia 640 XL Dual SIM managed to acquire overall rating of 74 hours, which means it will last three days on an hour each of watching videos, browsing the web and making calls each day.
• Excellent build quality
• Good looking, design give it a professional look
• Matte finish polycarbonate back cover provides a really good grip
• Good bright display – natural looking colors, great contrast levels, good viewing angles
• Slick, minimalist Windows Phone interface
• Performance is good
• Good primary camera – images quality is good and sharp and detailed and the colors are true to life
• Good quality selfie camera with wide angle lens
• Good audio quality
• Good video playback quality
• good loudspeaker
• Good call quality
• Long battery life
• Sometimes single handed operation is difficult because of large size
• The phone has sharp edges from the sides that will give your palms pain, which can make it uncomfortable to hold over long periods of time
• The Windows Phone platform continues to suffer from a limited app selection when compared to Android, or iOS
Front camera: 5MP
Rear camera: 13 MP, Carl Zeiss optics, autofocus, LED flash
Size: 5.7 inch
Resolution: 720*1280 pixels
Display: IPS LCD capacitive touchscreen, 16M colors, 259ppi
Processor: Quad-core 1.2 GHz Cortex-A7
Chipset: Qualcomm MSM8226 Snapdragon 400
GPU: Adreno 305
Ram: 1 GB
Rom: 8 GB
OS version: Microsoft Windows Phone 8.1 with Lumia Denim
Battery: removable Li-ion 3000 mAh battery
Stand-by Up to 936 h (2G/3G)
Talk time Up to 31 h 20min (2G), 23h 43m(3G)
Protection Corning Gorilla Glass 3
WLAN: Wi-Fi 802.11 b/g/n, DLNA, hotspot
GPS: Yes, with A-GPS, GLONASS
Radio: FM radio
USB: micro USB v2.0
The Lumia 640 XL has pretty much all basic feature covered. The Snapdragon 400 chipset is a major concern here. It proved a really powerful platform for the Windows smartphones in the past and is still utilized by many. But Microsoft’s recent launch of new apps and games in the Windows Store may arise the performance issues on these kinds of smartphones.
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