Asus Zenfone 4 Pro ZS551KL vs vivo NEX 3 5G

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; CDMA2000 1xEV-DO

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), 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), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

-

5G NSA; N41, N78

-

LTE-A (5CA), Cat18, 1200 Mbps download, 150 Mbps upload

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

-

2017-10

2019-9

2017-8

2019-9

-

Front/back glass, aluminum frame

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

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

156.9 mm

167.4 mm

75.6 mm

76.1 mm

7.6 mm

9.4 mm

175 g

218.5 g

Moonlight white, Pure Black

Black, Blue

AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen

5.5 inches

6.89 inches

1080 x 1920 pixels

1080 x 2256 pixels

401 ppi

363 ppi

Corning Gorilla Glass 5

Scratch resistant, 3D curved glass screen

Yes, max 10 fingers

Yes

Quad-core 2.45 GHz Kryo

Single-core 2.96 GHz Kryo 485

quad-core 1.9 GHz Kryo

Triple-core 2.42 GHz Kryo 485

Quad-core 1.8 GHz Kryo 485

Qualcomm MSM8998 Snapdragon 835

Qualcomm SDM855 Snapdragon 855+

Adreno 540

Adreno 640

6 GB

8, 12 GB

64, 128 GB

256 GB

microSD(uses second SIM slot)

No

256 GB

-

-

UFS 3.0

Android 7.1.1 (Nougat)

Funtouch 9.1 OS (Android 9.0 Pie)

Dual

Triple

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

64 MP, f/1.8 , 1/1.7" , 0.8 µm

16 MP, 50 mm

13 MP, 13 mm, f/2.5

13 MP, f/2.2

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

2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS

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

Autofocus, continuous shooting, digital zoom, optical 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

8 MP, f/1.9 , 22 mm, 1.4 µm

16 MP

1080p

1080p@30fps

Yes, dual speakers

Yes

Vibration; MP3, WAV ringtones

-

-

Yes

-

No

FM radio

-

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

-

Yes

Type-C reversible connector

Type-C 1.0 reversible connector

-

Yes

Yes

-

Yes

-

Yes

-

Yes

-

SMS(threaded view)

-

MMS

-

Email

-

IM

-

Push Email

-

No

-

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

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

Li-Ion

Li-Po

3600 mAh

4500 mAh

50% in 32 min

Super FlashCharge

27 h 30 min

-

-

800 USD