Asus Zenfone 4 Pro ZS551KL

175 g (6.17 oz)

156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.3 in)

Moonlight white, Pure Black

• Front/back glass (Gorilla Glass 5) & aluminum frame

5.5 inches, 13.97 cm (~70.3% screen-to-body ratio)

1080 x 1920 pixels, 16:9 ratio (~401 ppi density)

AMOLED capacitive touchscreen

16 million colors

• Multi-touch Input, up to 10 fingers
• Corning Gorilla Glass 5
• Asus ZenUI 4.0

• 12 MP, f/1.7, 25mm, 1/2.55", 1.4µm, 4-axis OIS, dual pixel PDAF & laser AF
• 16 MP, 50mm, 1/3.1", 1µm, 2x optical zoom, AF

LED flash, HDR, panorama

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

• 8 MP, f/1.9, 22mm, 1.4µm, PDAF

HDR

1080p@30fps

Qualcomm MSM8998 Snapdragon 835

Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)

Adreno 540

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

64GB/128GB

6GB

microSD, up to 256 GB (uses SIM 2 slot)

• 64GB/128GB Internal Storage, 6GB RAM

Smartphone

Android 7.1.1 (Nougat)

SMS(threaded view), MMS, Email, Push Email, IM

• Browser: HTML5
• Games: Yes, Downloadable

3600 mAh

Non-removable

Li-Ion

No information

Up to 27 h 30 min (3G)

No information

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

HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps

Yes/Yes

Type-C 1.0 reversible connector

Yes, with A-GPS, GLONASS, BDS, GALILEO

5.0, A2DP, EDR, LE, aptX

Yes

Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot

FM radio

Yes

3.5mm Audio jack

dual speakers

• Vibration, MP3, WAV ringtones
• 24-bit/192kHz audio
• DTS sound enhancement
• Active noise cancellation with dedicated mic