BLU D440Sony ST23a
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BLU D440
Sony ST23a
vs
Top specs and features

BLU D440 vs Sony ST23a: 78 facts in comparison

1. battery power

20% more battery power.
1800mAh
Gionee M2017: 7000mAh
1500mAh

2. total clock speed

7.5x faster CPU clock speed.
4 x 1.5GHz
Meizu Pro 7 Plus 64GB: 10 x 2.6GHz
1 x 0.8GHz

3. pixel density

48.48% higher pixel density.
245ppi
Sony Xperia Z5 Premium Dual: 806ppi
165ppi

4. screen size

The bigger the screen size is, the better the user experience.
4.5"
Samsung Galaxy J Max: 7"
3.5"

5. megapixels

0% more megapixels.
5MP
Nokia 808 Pureview: 41MP
5MP

6. RAM

0.5GB more RAM memory.
1GB
Razer Phone: 8GB
0.5GB

7. resolution

3.38x higher resolution.
540 x 960px
Sony Xperia XZ Premium: 2160 x 3840px
480 x 320px

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
Sony ST23a
83% have it

9. weight

35g lighter.
145g
Starmobile Uno B208: 68g
110g

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 ST23a
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
Sony ST23a
78% have it

12. thickness

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

13. has a removable battery

The battery is removable and can be replaced by the user if broken.
BLU D440
Sony ST23a
41% have it

14. Is dustproof and water resistant

Dustproof/water resistant at depth equal to or greater than 1 meter.
BLU D440
Sony ST23a
7% have it

16. has a radio

It works as an FM radio with included headsets
BLU D440
Sony ST23a
66% have it

17. has USB mass storage support

It can transfer files, music, photos via USB, no need to install additional software.
BLU D440
Sony ST23a
89% have it

18. download speed

2.92x faster downloads.
21MBits/s
Panasonic Eluga Ray 700: 1500MBits/s
7.2MBits/s

19. 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 ST23a
6% have it

20. 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 ST23a
35% have it

21. video recording

2.25x better video recording quality.
1080 x 30fps
Apple iPhone X 64GB: 2160 x 60fps
480 x 30fps

22. has NFC

NFC (near field communication) allows a device to perform simple wireless transactions.
BLU D440
Sony ST23a
38% have it

23. has a dedicated camera button

A dedicated camera button allows you to take snapshots more easily.
BLU D440
Sony ST23a
8% have it

24. width

7.6mm narrower.
67mm
Vertu Signature for Bentley: 42mm
59.4mm

25. 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
Sony ST23a
24% have it

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