Amazon Fire HD 8 vs Asus Zenfone 4 Pro ZS551KL

GSM 850, 900, 1800, 1900

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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

Yes

Yes

2015-9

2017-8

2015-9

2017-10

No

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

214 mm

156.9 mm

128 mm

75.6 mm

7.7 mm

7.6 mm

311 g

175 g

Black, Blue, Magenta, Tangerine

Moonlight white, Pure Black

IPS LCD capacitive touchscreen

AMOLED capacitive touchscreen

8.0 inches

5.5 inches

800 x 1280 pixels

1080 x 1920 pixels

189 ppi

401 ppi

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Corning Gorilla Glass 5

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Yes, max 10 fingers

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Octa-core

Quad-core 1.5 GHz

Quad-core 2.45 GHz Kryo

quad-core 1.9 GHz Kryo

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Qualcomm MSM8998 Snapdragon 835

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Adreno 540

1 GB

6 GB

8, 16 GB

64, 128 GB

microSD

microSD(uses second SIM slot)

128 GB

256 GB

Android OS (customized)

Android 7.1.1 (Nougat)

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Dual

5 MP

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

16 MP, 50 mm

2592 x 1944 pixels

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1080p

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

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laser/phase detection autofocus

-

LED flash

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4-axis optical image stabilization

Yes

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

8 MP, f/1.9 , 22 mm, 1.4 µm

720p

1080p

Yes, with stereo speakers

Yes, dual speakers

No

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FM radio

-

Yes

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Yes

microUSB 2.0

Type-C reversible connector

Yes

v5.0

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Yes

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Yes

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Yes

-

Yes

No

Yes, with A-GPS

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Yes

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Yes

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Yes

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SMS(threaded view)

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MMS

Accelerometer, gyro

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

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3600 mAh

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50% in 32 min

8 h

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27 h 30 min

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