Samsung Comment 2 R390C
Top 81%5,564 points
Top 81%
Screen size
Number of smartphones
lowmidhigh
Top 90%
59 smartphones
2.33" - 2.8"
NaN% of all smartphonesYes
No
screen size
resolution
battery power
megapixels
2.4"
Samsung Galaxy J Max
7"
Best

Samsung Comment 2 R390C: 29 facts and highlights

1. battery power

1000mAh
Gionee M2017: 7000mAh
4340
0

2. pixel density

167ppi
Sony Xperia Z5 Premium Dual: 806ppi
2910
0

3. screen size

The bigger the screen size is, the better the user experience.
2.4"
Samsung Galaxy J Max: 7"
2444
0

4. megapixels

2MP
Nokia Lumia 1020: 41MP
2150
0

5. resolution

320 x 240px
Sony Xperia Z5 Premium Dual: 2560 x 3840px
1965
0

6. 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.
Samsung Comment 2 R390C
81% have it
1593
0

7. weight

95g
Microsoft Nokia 105: 68.9g
1344
0

8. 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.
Samsung Comment 2 R390C
79% have it
1233
0

9. thickness

10.9mm
Asus Zenfone AR: 4.6mm
1161
0

10. has a removable battery

The battery is removable and can be replaced by the user if broken.
Samsung Comment 2 R390C
42% have it
1159
0

11. internal storage

0.25GB
Huawei Mate 9 Pro: 256GB
917
0

12. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
Samsung Comment 2 R390C
91% have it
786
0

13. width

61mm
Vertu Signature for Bentley: 42mm
572
0

14. height

110mm
Motorola FlipOut: 67mm
505
0

15. Bluetooth version

2.1
Samsung Galaxy S7 edge (Exynos 8890 Octa): 4.2
394
0

16. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
1
Motorola Moto Z Force: 4
386
0

17. semiconductor size

A smaller size indicates that the process to create the chip is newer.
28nm
Apple iPhone 6s 64GB: 14nm
354
0

18. volume

73.14cm³
Nokia Asha 200: 47.7cm³
204
0

19. SAR - US whole body

SAR (Specific Absorption Rate) describes how much radio frequency energy emitted by the device will be absorbed by your body. The rate is measured at hip level. The legal limit is 1.6 W/kg in the USA.
1.07W/kg
OnePlus 2: 0.205W/kg
139
0

20. SAR - US head

SAR (Specific Absorption Rate) describes how much radio frequency energy emitted by the device will be absorbed by your body. The rate is measured at head level. The legal limit is 1.6 W/kg in the USA.
0.97W/kg
Samsung Galaxy SII I9100: 0.16W/kg
121
0

21. has a socket for a 3.5 mm audio jack

With a standard mini jack socket, you can use the device with most headphones.
Samsung Comment 2 R390C
97% have it
89
0

22. has a cellular module

Devices which use cellular technology can connect to mobile networks. Cellular networks have much wider signal coverage than WiFi.
Samsung Comment 2 R390C
52
0

23. has a QWERTY keyboard

Text messaging is much faster due to a hardware keyboard.
Samsung Comment 2 R390C
4% have it
48
0

24. Has music playback

The device can play mp3 music files.
Samsung Comment 2 R390C
99% have it
41
0

25. has a rechargeable battery

The battery can be recharged and used over again.
Samsung Comment 2 R390C
35
0

26. optical zoom

The zoom range is the ratio between the longest and shortest focal lengths. A higher zoom range means that the lens is more versatile.
0x
Samsung Galaxy K Zoom: 10x
34
0

27. has voice commands

You can use your voice to control key functions of the device and you can easily access your device without pushing any button.
Samsung Comment 2 R390C
97% have it
32
0

28. has a battery level indicator

An indicator shows you when the device has low battery.
Samsung Comment 2 R390C
30
0

29. Has an alarm clock

It includes an alarm clock which you can set in order to wake you up or to act as a reminder.
Samsung Comment 2 R390C
28
0

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