vs
BLU D440
Oppo Joy
Top 86%757 points
Top 86%
Top 75%1,371 points
Top 75%
BLU D440
Oppo Joy
Top specs and features

BLU D440 vs Oppo Joy: 62 facts in comparison

1. battery power

5.88% more battery power.
1800mAh
Energizer Power Max P16K Pro: 16000mAh
1700mAh

2. total clock speed

2.31x faster CPU clock speed.
4 x 1.5GHz
Meizu Pro 7 Plus 64GB: 10 x 2.6GHz
2 x 1.3GHz

3. pixel density

5.15% higher pixel density.
245ppi
Sony Xperia H8541: 847ppi
233ppi

4. screen size

The bigger the screen size is, the better the user experience.
4.5"
Samsung Galaxy J Max: 7"
4"

5. RAM

0.5GB more RAM memory.
1GB
Vivo NEX S: 8GB
0.5GB

6. megapixels

1.67x more megapixels (main camera).
5MP
Huawei Mate RS Porsche Design: 40 & 20 & 8MP
3MP

7. resolution

35% higher resolution.
540 x 960px
Sony Xperia H8541: 2160 x 4320px
480 x 800px

8. front camera megapixels

4.33x more megapixels (front camera).
1.3MP
Wiko View2 Pro: 16 & 16MP
0.3MP

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
Oppo Joy
85% have it

10. weight

20g lighter.
145g
Samsung Galaxy J8: 0g
125g

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
Oppo Joy
77% have it

12. thickness

0.9mm thinner.
10.8mm
Asus Zenfone AR 64GB: 4.6mm
9.9mm

13. internal storage

0MB more internal storage.
4GB
Smartisan Nut R1: 1024GB
4GB

14. has a removable battery

The battery is removable and can be replaced by the user if broken.
BLU D440
Oppo Joy
38% have it

15. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
BLU D440
Oppo Joy
86% have it

16. has a radio

It works as an FM radio with included headsets
BLU D440
Oppo Joy
67% have it

17. width

4mm narrower.
67mm
Vertu Signature for Bentley: 42mm
63mm

18. height

9mm shorter.
133mm
Motorola FlipOut: 67mm
124mm

19. Bluetooth version

1.9 newer Bluetooth version.
4
Samsung Galaxy S8 Active: 5.1
2.1

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.
BLU D440(Android 4.0–4.0.2 Ice Cream Sandwich (API level 14))
Oppo Joy(Android 4.2 Jelly Bean (API level 17))
84% have it

21. Is a multi-user system

BLU D440
Oppo Joy(Android 4.2 Jelly Bean (API level 17))
75% have it

22. semiconductor size

A smaller size indicates that the process to create the chip is newer.
40nm
Samsung Galaxy Note 8 64GB: 10nm
28nm(MediaTek MT6582)

23. supports two SIM cards

A dual SIM mobile phone can work with two SIM cards at the same time.
BLU D440
Oppo Joy
54% have it

24. 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
Oppo Joy(Android 4.2 Jelly Bean (API level 17))
80% have it

25. 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))
Oppo Joy(Android 4.2 Jelly Bean (API level 17))
87% have it

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