Phone Comparison - Asus Zenfone 4 Pro vs Samsung Galaxy S9+ vs Samsung Galaxy A51 5G

general General Info

Manufacturer Asus Samsung Samsung
Announced August 2017 February 2018 April 2020
Status Coming Soon - September 2017 Coming Soon, March 2018 Coming Soon - April 2020
Price - Rs. 57,999 ($890.00) [Similarly Priced] -
Colors Champagne Gold Various Prism Cube Black, Prism Cube White, Prism Cube Pink
Form Factor Candybar Candybar Candybar
Dimension 156.9 x 75.6 x 7.6 mm
(6.18 x 2.98 x 0.3 in)
158.1 x 73.8 x 8.5 mm
(6.22 x 2.91 x 0.33 in)
158.9 x 73.6 x 8.7 mm
(6.26 x 2.9 x 0.34 in)
Weight 175 g (6.17 oz) 189 g (6.67 oz) 187 g (6.6 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
5G Network - - 5G SA/NSA
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - Fingerprint Sensor - Fingerprint Sensor
- Samsung Pay (Visa, MasterCard certified)
- IP68 certified - dust/water proof over 1.5 meter and 30 minutes
- Fingerprint Sensor (under display, optical)
Notification LED Yes Yes -

hardware Hardware and OS

OS Android OS, v7.1.1 (Nougat) Android 8.0 (Oreo) Android 10.0
Processor Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo), Qualcomm MSM8998 Snapdragon 835 Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA
Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA
Qualcomm Snapdragon 845
Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm)
GPU Adreno 540 Mali-G72 MP18 - EMEA
Adreno 630 - USA & China
Mali-G76 MP5
RAM 6 GB 6 GB 8 GB
Internal Memory 64/128GB 64 GB 128 GB
External Memory microSD, up to 256 GB microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSDXC (dedicated slot)

display Display

Type AMOLED, 2.5D Glass, Gorilla Glass 5 Protection Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.2 inches 6.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 1440 x 2960 pixels (531 ppi) 1080 x 2400 pixels (405 ppi)
Screen-to-Body Ratio 70.14% 83.59% 87.17%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Yes, FM Radio No FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera Dual 12 MP + 16 MP Dual12 MP + 12 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash Dual LED Flash LED Flash LED flash
Features Phase Detection Autofocus, f/1.7, OIS, secondary 50mm lens, laser autofocus, 2x Optical Zoom, 1.4µm pixel size, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, f/1.6 + f/2.4, 26mm, 1/2.55", 1.4 µm, 52mm, 1/3.6", 1 µm, Dual Pixel AF, OIS, 2x Optical Zoom, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, panorama
Video 2160p@30fps, 1080p@30fps, 720p@120fps 2160p@30fps, 1080p@60fps, HDR, dual-video rec. 2160p@30fps, 1080p@30/120fps; gyro-EIS
Front Camera 8 MP, f/1.9 [Similar] 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps HSPA, LTE-A, 5G
Bluetooth Yes, v4.2 5.0, A2DP, LE, aptX 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Type-C 1.0 reversible connector, Fast Charging 3.1, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 HTML5 Yes

memory User Memory

Internal 64/128GB, 6 GB RAM 64 GB, 6 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0)
Expandable Storage microSD, up to 256 GB microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSDXC (dedicated slot)
USB OTG Supported Not Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor barometer sensor present barometer sensor not present
Heart-rate Sensor heart rate sensor heart rate sensor present heart rate sensor not present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion battery Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3600 mAh 3500 mAh 4500 mAh
Stand by - - -
Talk Time - - -