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BLU D440
Obi Worldphone SF1
Top 87%745 points
Top 87%
Top 52%2,674 points
Top 52%
BLU D440
Obi Worldphone SF1
Top specs and features

BLU D440 vs Obi Worldphone SF1: 79 facts in comparison

1. battery power

1.67x more battery power.
1800mAh
Energizer Power Max P16K Pro: 16000mAh
3000mAh

2. total clock speed

2x faster CPU clock speed.
4 x 1.5GHz
Meizu Pro 7 Plus 64GB: 10 x 2.6GHz
8 x 1.5GHz

3. pixel density

1.81x higher pixel density.
245ppi
Sony Xperia H8541: 847ppi
443ppi

4. screen size

The bigger the screen size is, the better the user experience.
4.5"
Samsung Galaxy J Max: 7"
5"

5. RAM

2GB more RAM memory.
1GB
Oppo Find X: 8GB
3GB

6. megapixels

2.6x more megapixels (main camera).
5MP
Huawei Mate RS Porsche Design: 40 & 20 & 8MP
13MP

7. resolution

4x higher resolution.
540 x 960px
Sony Xperia H8541: 2160 x 4320px
1080 x 1920px

8. front camera megapixels

3.85x more megapixels (front camera).
1.3MP
Wiko View2 Pro: 16 & 16MP
5MP

9. 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.
BLU D440
Obi Worldphone SF1
85% have it

10. 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.
BLU D440
Obi Worldphone SF1
41% have it

11. weight

2g lighter.
145g
Starmobile Uno B208: 68g
147g

12. 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.
BLU D440
Obi Worldphone SF1
78% have it

13. thickness

2.8mm thinner.
10.8mm
Asus Zenfone AR 64GB: 4.6mm
8mm

14. internal storage

28GB more internal storage.
4GB
Smartisan Nut R1: 1024GB
32GB

15. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
BLU D440
Obi Worldphone SF1
87% have it

16. download speed

7.14x faster downloads.
21MBits/s
HTC U12+ 128GB: 1200MBits/s
150MBits/s

17. has a radio

It works as an FM radio with included headsets
BLU D440
Obi Worldphone SF1
68% have it

18. video recording (main camera)

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.
1080 x 30fps
Xiaomi Mi 8 64GB: 2160 x 60fps
1080 x 30fps

19. 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.
BLU D440
Obi Worldphone SF1
55% have it

20. width

7mm narrower.
67mm
Vertu Signature for Bentley: 42mm
74mm

21. height

13mm shorter.
133mm
Motorola FlipOut: 67mm
146mm

22. Bluetooth version

0 newer Bluetooth version.
4
Samsung Galaxy S8 Active: 5.1
4

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.
BLU D440
Obi Worldphone SF1
33% have it

24. The browser has word wrap

The web browser has automatic word wrap when zooming, the user can easily read long lines without scrolling horizontally.
BLU D440(Android 4.0–4.0.2 Ice Cream Sandwich (API level 14))
Obi Worldphone SF1(Android 5.0 Lollipop)
85% have it

25. Is a multi-user system

BLU D440
Obi Worldphone SF1(Android 5.0 Lollipop)
75% have it

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