BLU D440Lenovo A820Samsung Galaxy Note 7
Top 70%9,620 points
Top 70%
Top 66%10,948 points
Top 66%
Top 10%28,806 points
Top 10%
BLU D440
Lenovo A820
vs
Samsung Galaxy Note 7
vs
Top specs and features

BLU D440 vs Lenovo A820 vs Samsung Galaxy Note 7: 100 facts in comparison

1. battery power

2000mAh
3500mAh

2. total clock speed

4 x 1.2GHz
8 x 2.3GHz

3. pixel density

4. screen size

The bigger the screen size is, the better the user experience.

5. megapixels

7. resolution

540 x 960px
1440 x 2560px

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.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
83% have it

9. weight

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.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
39% have it

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.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
78% have it

12. thickness

13. has a removable battery

The battery is removable and can be replaced by the user if broken.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
42% have it

14. Is dustproof and water resistant

Dustproof / water resistant at depth equal to or greater than 1m.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
7% have it

15. has built-in optical image stabilization

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
13% have it

16. internal storage

17. has a radio

It works as an FM radio with included headsets
BLU D440
Lenovo A820
Samsung Galaxy Note 7
65% have it

18. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
90% have it

19. Supports 4K resolution

Allows you to view in ultra-high definition.
BLU D440
Lenovo A820
Samsung Galaxy Note 7(Android 6.0 Marshmallow)
61% have it

20. wireless charging

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
6% have it

21. Is DLNA certified

All DLNA certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
36% have it

22. video recording

720 x 30fps
2160 x 30fps

23. 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
Lenovo A820
Samsung Galaxy Note 7
50% have it

24. has NFC

NFC (near field communication) allows a device to perform simple wireless transactions.
BLU D440
Lenovo A820
Samsung Galaxy Note 7
39% have it

25. width

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