Asus Zenfone 4 Pro ZS551KL vs Cat B35

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

HSDPA 850, 900, 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

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800)

42.2 Mbps

-

5.76 Mbps

-

-

LTE, Cat4, 150 Mbps download, 51 Mbps upload

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

-

2017-8

2018-9

2017-10

2018-10

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

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

156.9 mm

138 mm

75.6 mm

60 mm

7.6 mm

14 mm

175 g

130 g

-

IP68, 1.2m and 35 minutes

-

Yes, IP68

-

1.8m

-

Yes

Moonlight white, Pure Black

Black

AMOLED capacitive touchscreen

TFT

5.5 inches

2.4 inches

1080 x 1920 pixels

240 x 320 pixels

401 ppi

167 ppi

16777216

-

Corning Gorilla Glass 5

Scratch-proof glass

Yes, max 10 fingers

-

Octa-core

-

Quad-core 2.45 GHz Kryo

Dual-core 1.3 GHz Cortex-A7

quad-core 1.9 GHz Kryo

Qualcomm MSM8998 Snapdragon 835

Qualcomm MSM8905 Snapdragon 205

Adreno 540

Adreno 304

6 GB

512 MB

64, 128 GB

4 GB

microSD(uses second SIM slot)

microSD, microSDHC, microSDXC

256 GB

128 GB

Android 7.1.1 (Nougat)

KaiOS 2.5

Dual

-

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

2 MP

16 MP, 50 mm

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

480p@30fps

laser/phase detection autofocus

-

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

-

8 MP, f/1.9 , 22 mm, 1.4 µm

1080p

-

Yes, dual speakers

Yes

Vibration; MP3, WAV ringtones

-

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

microUSB 2.0

v5.0

v4.1

Yes

-

Yes

-

Yes

-

Yes

-

Yes

-

Yes

-

SMS(threaded view)

-

MMS

-

Email

-

IM

-

Push Email

-

No

-

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

Accelerometer

HTML5

No

3600 mAh

2300 mAh

50% in 32 min

-

27 h 30 min

12 h

-

720 h