Asus Zenfone 4 Pro ZS551KL vs Intex IRist Smartwatch

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100

HSDPA 1900, 2100

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 41(2500) - US, Canada, Brazil; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - India

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42.2 Mbps

-

5.76 Mbps

-

-

HSPA

LTE-A, (3CA) Cat12, 600 Mbps download, 150 Mbps upload

-

2017-8

2015-7

2017-10

2015-8

Hybrid Dual SIM (Nano-SIM, dual stand-by)

Yes

156.9 mm

44 mm

75.6 mm

44 mm

7.6 mm

14 mm

175 g

83 g

Moonlight white, Pure Black

Orange, black, pink

AMOLED capacitive touchscreen

OLED capacitive touchscreen

5.5 inches

1.56 inches

1080 x 1920 pixels

240 x 240 pixels

401 ppi

218 ppi

16777216

-

Corning Gorilla Glass 5

-

Yes, max 10 fingers

-

Octa-core

-

Quad-core 2.45 GHz Kryo

Dual-core 1.2 GHz

quad-core 1.9 GHz Kryo

Qualcomm MSM8998 Snapdragon 835

Mediatek MT6572

Adreno 540

Mali-400

6 GB

512 MB

64, 128 GB

4 GB

microSD(uses second SIM slot)

microSD

256 GB

32 GB

Android 7.1.1 (Nougat)

Android OS, v4.4.2 (KitKat)

Dual

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12 MP, f/1.7 , 25 mm, 2x optical zoom

5 MP

16 MP, 50 mm

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2592 x 1944 pixels

2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps

video

laser/phase detection autofocus

-

LED flash

-

4-axis optical image stabilization

-

25mm (1/2.55" sensor size, 1.4 µm pixel size), 50mm (1/3.1" sensor size, 1.0 µm pixel size), geo-tagging, touch focus, face detection, HDR, panorama

Face detection

-

No

8 MP, f/1.9 , 22 mm, 1.4 µm

1080p

-

Yes

No

Yes, dual speakers

Yes

Vibration; MP3, WAV ringtones

Vibration; MP3 ringtones

-

No

FM radio

-

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi

Yes

-

Yes

-

Yes

-

Type-C reversible connector

microUSB 2.0

v5.0

Yes

Yes

-

Yes

-

Yes

-

Yes

-

Yes

-

Yes

-

Yes, with A-GPS

Yes

Yes

-

Yes

-

Yes

-

Push Email

-

Fingerprint (front-mounted), accelerometer, color spectrum, compass, gyro, proximity

Accelerometer, compass, gyro

HTML5

-

-

Yes

3600 mAh

600 mAh

Non-removable

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50% in 32 min

-

-

4 h

27 h 30 min

-

-

200 h