Microsoft Lumia 638
Top 63%10,743 points
Top 63%
Screen size
Number of smartphones
lowmidhigh
Top 70%
361 smartphones
4.2" - 4.67"
NaN% of all smartphonesYes
No
screen size
resolution
RAM
total clock speed
battery power
megapixels
4.5"
Samsung Galaxy J Max
7"
Best

Microsoft Lumia 638: 72 facts and highlights

1. battery power

1830mAh
Gionee M2017: 7000mAh
4340
0

2. total clock speed

4 x 1.2GHz
LeEco Le 2 Pro: 10 x 2.7GHz
3525
0

3. pixel density

218ppi
Sony Xperia Z5 Premium Dual: 806ppi
2910
0

4. screen size

The bigger the screen size is, the better the user experience.
4.5"
Samsung Galaxy J Max: 7"
2444
0

5. megapixels

5MP
Nokia Lumia 1020: 41MP
2150
0

6. RAM

1GB
Asus Zenfone AR: 8GB
2094
0

7. resolution

480 x 854px
Sony Xperia Z5 Premium Dual: 2560 x 3840px
1965
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
81% have it
1593
0

9. weight

136g
Microsoft Nokia 105: 68.9g
1344
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
43% have it
1299
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
1233
0

12. thickness

9.2mm
Asus Zenfone AR: 4.6mm
1161
0

13. internal storage

8GB
Huawei Mate 9 Pro: 256GB
917
0

14. has a radio

It works as an FM radio with included headsets
Microsoft Lumia 638
63% have it
824
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
786
0

16. download speed

150MBits/s
Samsung Galaxy Note 7: 600MBits/s
750
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
51% have it
640
0

18. width

66.7mm
Vertu Signature for Bentley: 42mm
573
0

19. height

129.5mm
Motorola FlipOut: 67mm
505
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
81% have it
468
0

21. Is a multi-user system

Microsoft Lumia 638
69% have it
446
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
38% have it
430
0

23. Bluetooth version

4
Samsung Galaxy S7 edge (Exynos 8890 Octa): 4.2
394
0

24. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
2
Motorola Moto Z Force: 4
386
0

25. semiconductor size

A smaller size indicates that the process to create the chip is newer.
28nm
Apple iPhone 6s 64GB: 14nm
354
0

26. plays Adobe Flash

Adobe Flash with video and sound is supported in the device's browser.
Microsoft Lumia 638
17% have it
349
0

27. GPU clock speed

The graphics processing unit (GPU) has a higher clock speed.
450MHz
Huawei Mate 9 Pro: 900MHz
346
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
90% have it
327
0

29. upload

50MBits/s
Huawei Honor Magic: 300MBits/s
264
0

30. USB version

Newer USB versions are faster and have better power management.
2
Samsung Galaxy Note 7: 3.1
208
0

31. volume

79.4cm³
Nokia Asha 200: 47.7cm³
204
0

32. Has integrated graphics

With integrated graphics you don’t need to buy a separate graphics card.
Microsoft Lumia 638
53% have it
187
0

33. floating-point performance

Floating-point performance is a measurement of the raw processing power of the GPU.
0.0216TFLOPS
Gionee Elife S7: 0.81TFLOPS
179
0

34. CPU threads

More threads result in faster performance and better multitasking.
4
Samsung Galaxy S7 edge (Exynos 8890 Octa): 8
174
0

35. has a child lock

A child lock enables adults to prevent or restrict children’s use of the device.
Microsoft Lumia 638
66% have it
172
0

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