BLU D440HTC J Butterfly (HTL21)
Top 100%0 points
Top 100%
Top 79%1,015 points
Top 79%
BLU D440
HTC J Butterfly (HTL21)
vs
Top specs and features

BLU D440 vs HTC J Butterfly (HTL21): 60 facts in comparison

1. battery power

12.22% more battery power.
1800mAh
Gionee M2017: 7000mAh
2020mAh

2. total clock speed

0% faster CPU clock speed.
4 x 1.5GHz
Meizu Pro 7 Plus 64GB: 10 x 2.6GHz
4 x 1.5GHz

3. pixel density

1.8x higher pixel density.
245ppi
Sony Xperia Z5 Premium Dual: 806ppi
440ppi

4. screen size

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

5. megapixels

1.62x more megapixels.
5MP
Nokia 808 Pureview: 41MP
8.1MP

6. RAM

1GB more RAM memory.
1GB
Razer Phone: 8GB
2GB

7. front camera megapixels

1.54x more megapixels (front camera).
1.3MP
Vivo V7: 24MP
2MP

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
HTC J Butterfly (HTL21)
83% have it

9. weight

5g lighter.
145g
Starmobile Uno B208: 68g
140g

10. 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
HTC J Butterfly (HTL21)
78% have it

11. thickness

1.7mm thinner.
10.8mm
Asus Zenfone AR 64GB: 4.6mm
9.1mm

12. has a removable battery

The battery is removable and can be replaced by the user if broken.
BLU D440
HTC J Butterfly (HTL21)
41% have it

13. internal storage

12GB more internal storage.
4GB
Huawei Mate 10 Porsche Design: 256GB
16GB

14. has a radio

It works as an FM radio with included headsets
BLU D440
HTC J Butterfly (HTL21)
66% have it

16. has NFC

NFC (near field communication) allows a device to perform simple wireless transactions.
BLU D440
HTC J Butterfly (HTL21)
39% have it

17. width

4mm narrower.
67mm
Vertu Signature for Bentley: 42mm
71mm

18. Has a dual-tone LED flash

A dual-tone flash has LED lights with different color temperatures, delivering a better color balance to photos and videos.
BLU D440
HTC J Butterfly (HTL21)
24% have it

19. height

10mm shorter.
133mm
Motorola FlipOut: 67mm
143mm

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.
BLU D440(Android 4.0–4.0.2 Ice Cream Sandwich (API level 14))
HTC J Butterfly (HTL21)(Android 4.1 Jelly Bean (API level 16))
82% have it

21. Bluetooth version

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

22. semiconductor size

A smaller size indicates that the process to create the chip is newer.
40nm
Asus Zenfone 4 Pro (ZS551KL) 64GB: 10nm
28nm

23. Has offline voice recognition

Offline voice recognition enables you to perform voice actions, like dictating texts or using various voice commands, without an internet connection.
BLU D440
HTC J Butterfly (HTL21)(Android 4.1 Jelly Bean (API level 16))
77% have it

24. Is free and open source

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.
BLU D440(Android 4.0–4.0.2 Ice Cream Sandwich (API level 14))
HTC J Butterfly (HTL21)(Android 4.1 Jelly Bean (API level 16))
86% have it

25. plays Adobe Flash

Adobe Flash with video and sound is supported in the device's browser.
BLU D440(Android 4.0–4.0.2 Ice Cream Sandwich (API level 14))
HTC J Butterfly (HTL21)(Android 4.1 Jelly Bean (API level 16))
16% have it

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