Asus Zenfone 4 Pro ZS551KL vs Samsung Galaxy Watch Active

GSM 850, 900, 1800, 1900

N/A

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

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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

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5.76 Mbps

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

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Yes

No

Yes

No

2017-8

2019-2

2017-10

2019-2

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

No

156.9 mm

39.5 mm

75.6 mm

39.5 mm

7.6 mm

10.5 mm

175 g

25 g

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Samsung Pay

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IP68

-

IP68

-

Yes

Moonlight white, Pure Black

Black, Gold, Green, Silver

5.5 inches

1.1 inches

1080 x 1920 pixels

360 x 360 pixels

401 ppi

463 ppi

Corning Gorilla Glass 5

Corning Gorilla Glass 3

Yes, max 10 fingers

-

-

Always-on display

Octa-core

-

Quad-core 2.45 GHz Kryo

Dual-core 1.15 GHz

quad-core 1.9 GHz Kryo

Qualcomm MSM8998 Snapdragon 835

Exynos 9110

Adreno 540

-

6 GB

768 MB

64, 128 GB

4 GB

microSD(uses second SIM slot)

No

256 GB

-

Android 7.1.1 (Nougat)

Tizen-based wearable OS 4.0

Dual

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

16 MP, 50 mm

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

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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

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8 MP, f/1.9 , 22 mm, 1.4 µm

1080p

-

Yes

No

Yes, dual speakers

Yes

Vibration; MP3, WAV ringtones

-

-

No

FM radio

-

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

Wi-Fi 802.11b, 802.11g, 802.11n

Yes

-

Yes

-

Yes

-

Type-C reversible connector

No

v5.0

v4.2

Yes

-

Yes

-

Yes

-

Yes

-

Yes

-

Yes

-

SMS(threaded view)

-

MMS

-

Email

-

IM

-

Push Email

-

No

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

Accelerometer, barometer, gyro, heart rate

HTML5

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3600 mAh

230 mAh

50% in 32 min

-

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Qi

27 h 30 min

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