Asus Zenfone 4 Pro ZS551KL vs Xiaomi Mi CC9 Pro

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA

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), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

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3.1 Mbps download, 1.8 Mbps upload

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LTE-A (3CA) Cat 15, 800 Mbps download, 150 Mbps upload

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

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2017-8

2019-11

2017-10

2019-11

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Aluminium alloy, glass

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

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

156.9 mm

157.8 mm

75.6 mm

74.2 mm

7.6 mm

9.7 mm

175 g

208 g

Moonlight white, Pure Black

Black, Green, White

5.5 inches

6.47 inches

1080 x 1920 pixels

1080 x 2340 pixels

401 ppi

398 ppi

Corning Gorilla Glass 5

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5

Yes, max 10 fingers

Yes

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HDR10, Always-on display, DCI-P3, 600 nits max brightness

Quad-core 2.45 GHz Kryo

Dual-core 2.2 GHz Kryo 470

quad-core 1.9 GHz Kryo

Hexa-core 1.8 GHz Kryo 470

Qualcomm MSM8998 Snapdragon 835

Qualcomm SDM730 Snapdragon 730G

Adreno 540

Adreno 618

6 GB

6, 8 GB

64, 128 GB

128, 256 GB

microSD(uses second SIM slot)

No

256 GB

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-

UFS 2.1

Android 7.1.1 (Nougat)

MIUI 11 (Android 9.0 Pie)

Dual

Penta

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

108 MP, f/1.7 , 25 mm, 1/1.33" , 0.8 µm

16 MP, 50 mm

12 MP, 50 mm, f/2.0 , 1/2.55" , 1.4 µm, 2x optical zoom

5 MP, f/2.0 , 1.0 µm, 5x optical zoom

20 MP, f/2.2 , 13 mm, 1/2.8" , 1.0 µm

2 MP, f/2.4 , 1/5" , 1.75 µm

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12032 x 9024 pixels

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

2160p@30fps, 1080p@30/60/120/240fps, 720p@960fps

laser/phase detection autofocus

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LED flash

quad-LED flash

4-axis optical image stabilization

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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

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection

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130

-

102

-

121

8 MP, f/1.9 , 22 mm, 1.4 µm

32 MP, f/2.0 , 26 mm, 0.8 µm, 0.8"

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6528 x 4896 pixels

1080p

1080p@30fps

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79

-

74

-

77

Yes, dual speakers

Yes

Vibration; MP3, WAV ringtones

-

-

Yes

-

FM Radio

FM radio

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

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Yes

Type-C reversible connector

microUSB 2.0

-

Yes

-

Yes

Yes

aptX HD

Yes, with A-GPS

Yes, with dual-band A-GPS

-

Yes

Yes

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SMS(threaded view)

-

MMS

-

Email

-

IM

-

Push Email

-

No

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

Accelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor

Li-Ion

Li-Po

3600 mAh

5260 mAh

50% in 32 min

50% in 30 min, 100% in 65 min

27 h 30 min

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410 USD