Microsoft Lumia 638
Top 64%10,893 points
Top 64%
Screen size
Number of smartphones
lowmidhigh
Top 70%
352 smartphones
4.2" - 4.67"
NaN% of all smartphonesYes
No
screen size
resolution
RAM
total clock speed
battery power
megapixels

Microsoft Lumia 638: 71 facts and highlights

1. battery power

1830mAh
Gionee M2017: 7000mAh
4401
0

2. total clock speed

4 x 1.2GHz
Vernee Apollo Lite: 10 x 2.7GHz
3573
0

3. pixel density

218ppi
Sony Xperia Z5 Premium Dual: 806ppi
2940
0

4. screen size

The bigger the screen size is, the better the user experience.
4.50"
Samsung Galaxy J Max: 7"
2478
0

5. megapixels

5MP
Nokia 808 Pureview: 41MP
2174
0

6. RAM

1GB
Asus Zenfone AR: 8GB
2130
0

7. resolution

480 x 854px
Sony Xperia XZ Premium: 2560 x 3840px
1990
0

8. has an external memory slot

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
Microsoft Lumia 638
83% have it
1614
0

9. weight

136g
Microsoft Nokia 105 Dual SIM: 68.90g
1363
0

10. has branded damage resistant glass

Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin and lightweight, and can withstand high levels of force.
Microsoft Lumia 638
39% have it
1313
0

11. every pixel has three subpixels

The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.
Microsoft Lumia 638
79% have it
1242
0

12. thickness

9.20mm
Asus Zenfone AR: 4.60mm
1179
0

13. internal storage

8GB
Huawei P10 Plus: 256GB
932
0

14. has a radio

It works as an FM radio with included headsets
Microsoft Lumia 638
65% have it
837
0

15. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
Microsoft Lumia 638
91% have it
794
0

16. download speed

150MBits/s
Sony Xperia XZ Premium: 1024MBits/s
758
0

17. has an IPS screen

IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction.
Microsoft Lumia 638
49% have it
648
0

18. width

66.70mm
Vertu Signature for Bentley: 42mm
595
0

19. height

129.50mm
Motorola FlipOut: 67mm
524
0

20. The browser has word wrap

The web browser has automatic word wrap when zooming, the user can easily read long lines without scrolling horizontally.
Microsoft Lumia 638(Windows 8.1)
81% have it
471
0

21. Is a multi-user system

Microsoft Lumia 638(Windows 8.1)
68% have it
452
0

22. Has integrated LTE

The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.
Microsoft Lumia 638(Qualcomm Snapdragon 400)
36% have it
436
0

23. Bluetooth version

4
Asus Zenfone 3 Laser (ZC551KL): 4.20
401
0

24. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
2
Huawei Mate 9 Pro: 4
391
0

25. semiconductor size

A smaller size indicates that the process to create the chip is newer.
28nm(Qualcomm Snapdragon 400)
Apple iPhone SE 128GB: 14nm
360
0

26. plays Adobe Flash

Adobe Flash with video and sound is supported in the device's browser.
Microsoft Lumia 638(Windows 8.1)
18% have it
349
0

27. GPU clock speed

The graphics processing unit (GPU) has a higher clock speed.
450MHz(Qualcomm Snapdragon 400)
Huawei P10 Plus 64GB: 900MHz
348
0

28. Supports widgets

You can add widgets to the home screen. This allows you to have more flexibility and to see information at a glance, without going into the app.
Microsoft Lumia 638(Windows 8.1)
90% have it
328
0

29. upload

50MBits/s
Huawei Honor Magic: 300MBits/s
267
0

30. volume

79.40cm³
Nokia Asha 200: 47.70cm³
214
0

31. USB version

Newer USB versions are faster and have better power management.
2
HTC U Ultra Sapphire: 3.10
211
0

32. Has integrated graphics

With integrated graphics you don’t need to buy a separate graphics card.
Microsoft Lumia 638(Qualcomm Snapdragon 400)
50% have it
189
0

33. floating-point performance

Floating-point performance is a measurement of the raw processing power of the GPU.
0.02TFLOPS(Qualcomm Snapdragon 400)
Lenovo A6600: 0.81TFLOPS
179
0

34. CPU threads

More threads result in faster performance and better multitasking.
4(Qualcomm Snapdragon 400)
Asus Zenfone 3 Laser (ZC551KL): 8
176
0

35. has a child lock

A child lock enables adults to prevent or restrict children’s use of the device.
Microsoft Lumia 638(Windows 8.1)
63% have it
173
0

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