It's all done with the Lumia Camera software, which has great autofocus features for anyone who just likes to take a happy snap every now and then but also lets you manually adjust ISO, white balance, shutter speed, brightness and focus if you're photographically minded and feel like playing around. That's letting you take 4,128x3,096 resolution photos (far, far better than the screen can display) and 1080p Full-HD video - also at a higher res than the screen can display. The front jumps from an underwhelming 0.9-megapixel to 5, which is going to keep you happy for both selfies and Skype calls.īut it's the 13-megapixel snapper on the rear - complete with German-made Zeiss optics - that's the most marked improvement. The XL improves on the 640 in both rear and front cameras. That said, LTE speeds vary dramatically by time of day and exact location, so your speed situation could be very different depending on where you live. These are respectable, but not quite as fast as we've seen on other high-end phones. (A 1-megapixel camera is on the front.In San Francisco on AT&T's network, download speeds typically ranged from 8Mbps down to 17Mbps down, but spiked at 33Mbps down, as tested on the diagnostic app. About the only drawback is the 8-megapixel rear camera, sort of the minimum spec for rear cameras these days. The 5-inch, 1280×720 display seems perfectly serviceable, as does the Snapdragon 400, 1GB of RAM, 8GB of storage, and microSD slot. Nothing about the phone really stands out. The Lumia 640 is what you’ll buy if you want a modern Windows Phone-no more, no less. The phone also includes Bluetooth 4.0, GPS, NFC, Miracast, 802.11b/g/n, as well as the SensorCore technology that allows the phone to act as a pedometer. The 3,000 mAh battery is good for 37 days of standby time and 24 hours of 3G talk time, the only battery metrics Microsoft supplied. Microsoft’s Windows Phone OS and apps don’t demand high-end Qualcomm Snapdragon chips, so there’s only a Snapdragon 400 (MSM8226) inside, along with 1GB of RAM, and 8GB of flash storage (with a microSD slot supporting up to 128GB cards). The Lumia 640XL’s selling points are the inclusion of Lumia Camera, as its continuous autofocus makes snappy shots a snap, and a 5-megapixel front-facing camera that goes far beyond the original 1520. The Lumia 1520 included a 20-megapixel camera with optical image stabilization, but the Lumia 640XL includes a 13-megapixel rear camera with no AIS. The camera, always a selling point, has also been dialed back. The Microsoft Lumia 640XL is a 6-inch phablet for the masses, with dialed-back specs compared to the flagship Lumia 1520. Physically, the Lumia 640XL measures 6.2×3.2×0.36 inches (157.9 x 81.5 x 9.0 mm) and weighs a little over 6 ounces (171 grams)-smaller, lighter, and slightly thicker than the Lumia 1520. The Lumia 640XL’s screen measures a comfortable 5.7 inches on the diagonal-the same size as the Samsung Galaxy Note 4-but with only a 1280×720 display. But it’s no Lumia 1520, either. While the Lumia 1520’s 6-inch, 1920×1080 display wowed the eye, the Lumia 640XL takes it down a notch. Microsoft helped set the trend toward larger phablets, and the 640XL doesn’t disappoint in that regard. The Lumia 640XL: a phablet for the rest of us
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