Alcatel Pixi First vs Asus Zenfone 4 Pro ZS551KL

HSDPA 900, 2100

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

21.1 Mbps

42.2 Mbps

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

2015-9

2017-8

2015

2017-10

Optional Dual SIM (Mini-SIM, dual stand-by)

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

122.1 mm

156.9 mm

64.4 mm

75.6 mm

9.7 mm

7.6 mm

175 g

Various

Moonlight white, Pure Black

Capacitive touchscreen

AMOLED capacitive touchscreen

4.0 inches

5.5 inches

480 x 800 pixels

1080 x 1920 pixels

233 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 1.2 GHz

Quad-core 2.45 GHz Kryo

quad-core 1.9 GHz Kryo

Spreadtrum 7731

Qualcomm MSM8998 Snapdragon 835

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Adreno 540

512 MB

6 GB

4 GB

64, 128 GB

microSD

microSD(uses second SIM slot)

32 GB

256 GB

Android OS, v4.4.2 (KitKat)

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 х 1944 pixels

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1080p@24fps

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

-

laser/phase detection autofocus

-

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

2 MP

8 MP, f/1.9 , 22 mm, 1.4 µm

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1080p

Yes

Yes, dual speakers

Wi-Fi 802.11b, 802.11g, 802.11n

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

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Yes

microUSB 2.0

Type-C reversible connector

v2.1

v5.0

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Yes

-

Yes

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Yes

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Yes

-

Yes

-

Yes

-

Yes

-

Yes

Yes

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

Yes

HTML5

1450 mAh

3600 mAh

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Non-removable

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50% in 32 min

7 h

27 h 30 min

300 h

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