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BLU D440
Sony Xperia Z1S
Top 87%745 points
Top 87%
Top 56%2,438 points
Top 56%
BLU D440
Sony Xperia Z1S
Top specs and features

BLU D440 vs Sony Xperia Z1S: 81 facts in comparison

1. battery power

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

2. total clock speed

46.67% faster CPU clock speed.
4 x 1.5GHz
Meizu Pro 7 Plus 64GB: 10 x 2.6GHz
4 x 2.2GHz

3. pixel density

1.8x higher pixel density.
245ppi
Sony Xperia H8541: 847ppi
441ppi

4. screen size

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

5. RAM

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

6. megapixels

4.14x more megapixels (main camera).
5MP
Huawei Mate RS Porsche Design: 40 & 20 & 8MP
20.7MP

7. resolution

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

8. front camera megapixels

1.54x more megapixels (front camera).
1.3MP
Wiko View2 Pro: 16 & 16MP
2MP

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
Sony Xperia Z1S
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
Sony Xperia Z1S
41% have it

11. weight

24g lighter.
145g
Starmobile Uno B208: 68g
169g

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
Sony Xperia Z1S
78% have it

13. thickness

2.3mm thinner.
10.8mm
Asus Zenfone AR 64GB: 4.6mm
8.5mm

14. internal storage

12GB more internal storage.
4GB
Smartisan Nut R1: 1024GB
16GB

15. has a removable battery

The battery is removable and can be replaced by the user if broken.
BLU D440
Sony Xperia Z1S
39% have it

16. Is dustproof and water resistant

Dustproof/water resistant at depth equal to or greater than 1 meter.
BLU D440
Sony Xperia Z1S
9% have it

17. 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.
BLU D440
Sony Xperia Z1S
19% have it

18. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
BLU D440
Sony Xperia Z1S
87% have it

19. download speed

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

20. has a radio

It works as an FM radio with included headsets
BLU D440
Sony Xperia Z1S
68% have it

21. 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
Sony Xperia Z1S
7% have it

22. 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

23. 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
Sony Xperia Z1S
32% have it

24. has NFC

NFC (near field communication) allows a device to perform simple wireless transactions.
BLU D440
Sony Xperia Z1S
39% have it

25. width

6.9mm narrower.
67mm
Vertu Signature for Bentley: 42mm
73.9mm

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