Blackphone 2Microsoft Lumia 638
Top 80%1,109 points
Top 80%
Top 73%1,521 points
Top 73%
Blackphone 2
Microsoft Lumia 638
Top specs and features

Blackphone 2 vs Microsoft Lumia 638: 64 facts in comparison

1. battery power

1.67x more battery power.
Energizer Power Max P16K Pro: 16000mAh

2. total clock speed

3.33x faster CPU clock speed.
8 x 2GHz
Meizu Pro 7 Plus 64GB: 10 x 2.6GHz
4 x 1.2GHz

3. screen size

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

4. RAM

2GB more RAM memory.
Razer Phone: 8GB

5. megapixels

2.6x more megapixels (main camera).
Doogee V: 21 & 21MP

6. resolution

5.06x higher resolution.
1080 x 1920px
Sony Xperia XZ Premium: 2160 x 3840px
480 x 854px

7. 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.
Blackphone 2
Microsoft Lumia 638
84% have it

8. has branded damage resistant glass

Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
Blackphone 2
Microsoft Lumia 638
40% have it

9. 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.
Blackphone 2
Microsoft Lumia 638
78% have it

10. thickness

1.3mm thinner.
Asus Zenfone AR 64GB: 4.6mm

11. internal storage

8GB more internal storage.
Samsung Galaxy S9 Plus Dual SIM: 256GB

12. has stereo speakers

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
Blackphone 2
Microsoft Lumia 638
18% have it

13. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
Blackphone 2
Microsoft Lumia 638
88% have it

14. has a radio

It works as an FM radio with included headsets
Blackphone 2
Microsoft Lumia 638
66% have it

15. 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.
Blackphone 2
Microsoft Lumia 638
52% have it

16. width

9.7mm narrower.
Vertu Signature for Bentley: 42mm

17. Has fast 802.11ac WiFi connection

802.11ac wireless works on the 5GHz frequency range. It offers higher transfer rates, improved reliability and improved power consumption. It provides advantages for gaming and HD video streaming.
Blackphone 2
Microsoft Lumia 638
32% have it

18. height

22.9mm shorter.
Motorola FlipOut: 67mm

19. Bluetooth version

0 newer Bluetooth version.
Samsung Galaxy S8 Active: 5.1

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.
Blackphone 2
Microsoft Lumia 638(Windows 8.1)
83% have it

21. Is a multi-user system

Blackphone 2
Microsoft Lumia 638(Windows 8.1)
73% have it

22. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
Panasonic Eluga Tapp: 10

23. has a BSI sensor

A BSI (backside illuminated) sensor is a camera image sensor which captures better quality images in poor lighting conditions, and offers better overall sharpness and image quality.
Blackphone 2
Microsoft Lumia 638
33% have it

24. 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.
Blackphone 2
Microsoft Lumia 638(Qualcomm Snapdragon 400)
44% have it

25. semiconductor size

A smaller size indicates that the process to create the chip is newer.
Samsung Galaxy A8 (2018) (32GB / 4GB RAM): 10nm
28nm(Qualcomm Snapdragon 400)

Top 10 smartphones

Add to comparison
    This page is currently only available in English.