Microsoft Lumia 640 XL Review

Call Quality

Passable, that’s the summary here with its in-call performance.

We’re not struggling, nor are voices exceptionally clear on both ends, the overall call quality ends up being at least passable in our books. Through the earpiece, voices have a solid amount of emphasis – while on the other end, our voice is accompanied with a subtle robotic tone.


With the larger battery cell, we were expecting something more long-lasting.

Big phones tend to deliver long-lasting results with battery life, but the 3000 mAh removable battery cell in the Lumia 640 XL doesn’t achieve anything spectacular. Indeed, we’re more than agreeable with its easy one-day battery life with normal usage, but its mark of 7 hours and 2 minutes in our custom battery benchmark test is rather underwhelming. In comparison, the Lumia 735 and its lower capacity 2220 mAh battery achieves a longer tally.

Battery life (hours) Higher is better
Microsoft Lumia 640 XL 7h 2 min (Good)
LG G Stylo 7h 43 min (Good)
Charging time (minutes) Lower is better
Microsoft Lumia 640 XL 210
LG G Stylo 137
Microsoft Lumia 640 196


Windows Phones in general are in short supply, which means that we’re more accepting of phablet-sized ones even more, especially when they’re even rarer to find in the wild. Far from being a specs beast meant to tackle on the big names in space, the Microsoft Lumia 640 XL carries a refreshing balance of value and performance.

On the pricing front, it’s being sold through AT&T here in the US for $0.99 with a 2-year contract. As an alternative, you can snag it sans contract by plopping out $249.99 to get it outright. That alone is within the threshold of its comparable rivals, but we like it for the fact that it bears improvements over the Lumia 640 (think the camera and certain aspects of the display) – while also catering to those who simply want a larger sized device to play around with.

Tough competition is all around, especially when looking at some of the entry-level phablets in the Android space, so it’ll ultimately come down to whether or not the Windows Phone experience is your cup of tea.

Software version of the review unit: Windows Phone 8.1 Update 2


  • Decent camera quality
  • Fair amount of value with its $250 cost
  • Bright screen
  • Light weight considering its size


  • Not a strong performer with graphics processing
  • Speaker audio quality is strained

PhoneArena Rating:


User Rating:

5 Reviews



1. PorkyBurger

Posts: 585; Member since: May 18, 2013

Only thing that is a turn-off for me is the old SD 400 chipset, but everything else is looking great so far. I am thinking of buying this phone, after selling my current one.

3. deltaman

Posts: 18; Member since: Jun 06, 2015

It's def. not a gamer-phone, but Microsoft has done an outstanding job getting WIN Phone OS to run far better than Android with Snapdragon 400. Recent Consumer Satisfaction survey placed Lumia 635 & 640 at top overall among new phones purchased in past year!

10. PorkyBurger

Posts: 585; Member since: May 18, 2013

Yeah, I wasn't expecting it to be a gamer phone, but a newer chipset would be nice. They have used the 400 quite a lot on different Lumia phones and it is quite dated. A minor flaw, but everything else rocks. That's just me.

12. Dr.Phil

Posts: 2356; Member since: Feb 14, 2011

I honestly would recommend you looking at getting a Lumia 1520 instead. Just about everything on it is better than this phone and on eBay you can find one that is in excellent (sometimes even brand new condition) for about $250, which is the same price as this phone. Also, I'm fairly certain the 1520 is going to receive the Windows 10 update as they used the device to demonstrate Windows 10 a few months ago.

14. PorkyBurger

Posts: 585; Member since: May 18, 2013

Okay, I will look for it. Thanks! :)

15. PorkyBurger

Posts: 585; Member since: May 18, 2013

meh, pass. huge import charges and delivery costs. just to get that 250$ Lumia 1520 i need to pay ~200$ for both import charges and delivery. sucks.

16. elitewolverine

Posts: 5192; Member since: Oct 28, 2013

what country you in?

2. deltaman

Posts: 18; Member since: Jun 06, 2015

Color Temperature, Tint, and Saturation are adjustable in Windows Phone "Display" settings... Which color settings were used for measurements quoted in this review?

4. xnga123

Posts: 51; Member since: Dec 05, 2014

the main feature missing for which thisotherwise great phone lost on .5 or 1 more mark is the apple logo.otherwise it could have scored about 8.5-9 points

18. g2a5b0e unregistered

Did you read the review or even bother to look at the score before you made this inane comment?

5. sip1995

Posts: 1771; Member since: Feb 07, 2014

It also has wireless charging...

6. Cheezwiz

Posts: 500; Member since: Dec 29, 2014

If only Microsoft could get the price/value right like this for all of their devices. This is a really great value at $199. I wish MS has a similarly good value at $399.

7. Phonewbie

Posts: 44; Member since: Feb 15, 2015

Not trying to start an OS war but this phone getting an 8 and the Zenfone 2 getting an 8.3 is crazy. I owned the Zenfone 2 and I currently use the 640 (not much different than the XL). It's not that close. Besides that I have to say the value for the 640 is extremely good, the perfect back up phone. the best phone for $100-$130 range.

8. elitewolverine

Posts: 5192; Member since: Oct 28, 2013

IMO this should be 8.5-9. There is simply nothing wrong with it. I highly doubt the effectiveness of their custom script, only because other sites get nearly 9hrs of video off the phone. Higher than the 7hrs custom script.

9. hound.master

Posts: 1044; Member since: Feb 27, 2015

Again antutu benchmarks of WP been compared to Android you even read what says in antutu app? And I'm pretty sure that there's also blue and green colors available for this phone.

11. samystic

Posts: 242; Member since: Mar 25, 2012

5" FHD screen with CBD and Corning Gorilla Glass 3, Contrast ratio: more than Infinite (nominal) / 4.000:1 (sunlight), multiple sensors, optimized 3000 mAH battery, dimensions at around (5.50 x 2.74 x 0.30 in), 2/3 GB RAM, stereo speakers with Dolby Digital Plus, Carl Zeis camera with OIS, microSD slot up to 128 GB support, multi touch up to 10 fingers, Optional Dual SIM, color options like green, gray, red, yellow and cyan, pebble design, active noise cancellation with dedicated mic, weight less than 130g. Windows Phone 10. any price

13. aleunge

Posts: 34; Member since: Sep 22, 2014

Does PA even do proper research anymore? Black and white choices only? No, that's half of the available choices. Wonder what else they get wrong with everything else...

19. deltaman

Posts: 18; Member since: Jun 06, 2015

Available "color choices" will vary by Country and Carrier. If the color you prefer isn't included with the phone, you can order it as an accessory thru Microsoft or eBay...

17. 7thspaceman

Posts: 1597; Member since: Feb 14, 2011

hmm if you are a big phone fan this one is not a bad one to get. . if only you could use a surface pen with it could be a more useful device for sure

20. deltaman

Posts: 18; Member since: Jun 06, 2015

Sure, and if they had thought to include a Taser, Cortana could also double as a nanny... (My point being -- with a $250 USD price point, the features & performance of the entry-level 640 XL phablet already make it a 'phantastic' value; Microsoft isn't overlooking the high-end phablet market, and the 1st "Continuum" phablet from M'soft will stretch the definition of "Smartphone" further than it has ever been taken before... Can you hold your breath 'til March?)
Lumia 640 XL
  • Display 5.7" 720 x 1280 pixels
  • Camera 13 MP / 5 MP front
  • Processor Qualcomm Snapdragon 400, Quad-core, 1200 MHz
  • Storage 8 GB + microSDXC
  • Battery 3000 mAh(25h 3G talk time)

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