Phone Comparison - Asus Z6 (Zenfone 6) vs Xiaomi Redmi Note 8 Pro vs Samsung Galaxy A51

Price Comparison (India)

general General Info

Manufacturer Asus Xiaomi Samsung
Announced May 2019 August 2019 December 2019
Status Coming Soon - May 2019 Coming Soon - October 2019 Coming Soon - December 12, 2019
Price Rs. 31,999 ($0.00) [Similarly Priced] Rs. 14,999 ($0.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced]
Colors Midnight Black, Twilight Silver Gamma Green, Halo White, Shadow Black Prism Crush White, Black, Pink, Blue
Form Factor Candybar Candybar Candybar
Dimension 159.1 x 75.4 x 9.2 mm
(6.26 x 2.97 x 0.36 in)
161.3 × 76.4 × 8.79 mm
(6.35 × 3.01 × 0.35 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
Weight 190 g (6.7 oz) 199.8 g (7.02.0.28 oz) 172 g (6.07 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 - A version
HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - B version, C version
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - A version LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
- Fingerprint Sensor(In-display)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 9.0 (Pie) Android 9.0 (Pie)
User Interface ZenUI 6 MIUI 10 One UI
Processor Octa-core (1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485), Qualcomm SDM855 Snapdragon 855 (7 nm) Octa core (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55), MediaTek Helio G90T Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Adreno 640 Mali-G76 MP4 Mali-G72 MP3
RAM 8 GB 8 GB 8 GB
Internal Memory 256 GB 128 GB 128 GB
External Memory microSD, up to 1 TB (dedicated slot) microSD, up to 256 GB microSD, up to 512 GB (dedicated slot)

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 6 Full HD+ LCD Capacitive Touchscreen, Corning Gorilla Glass protection Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.4 inches 6.53 inches 6.5 inches
Resolution 1080 x 2340 pixels (403 ppi) 1080 x 2340 pixels (395 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio 83.69% - 89.06%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio, recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 48 MP + 13 MP 64 MP + 8 MP + 2 MP + 2 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash Dual-LED Flash Dual-LED Flash LED Flash
Features 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, Laser/PDAF
13 MP, f/2.4, 11mm (ultrawide)
HDR, Auto Panorama (motorized Rotation)
64 MP, f/1.8, (wide), 1/1.7", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm
2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera)
2 MP, f/2.4, 1/5", 1.75µm, depth sensor
HDR, Panorana
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
Video 2160p@30/60fps, 1080p@30/60/240fps, 1080p@30fps, 720p@480fps; gyro-EIS (except @240/480fps) 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) 2160p@30fps, 1080p@30fps
Front Camera Motorized flip-up main camera module
Dual-LED flash, HDR, auto panorama (motorized rotation)
2160p@30/60fps, 1080p@30/60/240fps, 1080p@30fps, 720p@480fps; gyro-EIS (except @240/480fps) [Similar]
20 MP, f/2.0, 0.9µm
HDR
1080p@30fps [Similar]
32 MP, f/2.0, 25mm (wide)
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-A (5CA) Cat18 1200/150 Mbps (max speed is version/region dependent) HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps HSPA, LTE-A
Bluetooth 5.0, A2DP, LE, aptX HD 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi 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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 256 GB, 8 GB RAM or 128 GB, 6 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 6 GB 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSD, up to 1 TB (dedicated slot) microSD, up to 256 GB microSD, up to 512 GB (dedicated slot)
USB OTG Supported Yes 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
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W (Quick Charge 4)
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 5000 mAh 4500 mAh 4000 mAh
Stand by - - -
Talk Time - - -