Side-by-side technical data

Asus Zenfone 3s Max ZC521TL vs Xiaomi Redmi Note 4X

Comparison between Asus Zenfone 3s Max ZC521TL and Xiaomi Redmi Note 4X: camera, battery, fast charging, display, performance and colors, side by side. More phones from Asus and Xiaomi.

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Asus

Zenfone 3s Max ZC521TL

Xiaomi

Redmi Note 4X

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The verdict

Neither runs away with it: each wins something.

Category
Category	Zenfone 3s Max ZC521TL	Redmi Note 4X
Design & display	5.3	5.7
Performance & hardware	1.7	3.0
Camera	3.7	3.4
Connectivity	4.1	4.1
Battery & charging	6.5	3.7

Which one is for you?

Asus Zenfone 3s Max ZC521TL, if you care about…

Battery Capacity: 5,000 mAh; against 4,100 mAh
OS Version: 7; against 6

Xiaomi Redmi Note 4X, if you care about…

RAM Capacity: 4 GB; against 3 GB
Bluetooth Version: Bluetooth 4.2; against Bluetooth 4.0
Maximum Storage Capacity: 64 GB; against 32 GB
Display Pixel Density: 401 ppi; against 282 ppi

Specification comparison

Show differences only

Performance

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Processor Model	MediaTek MT6750	Qualcomm Snapdragon 625
Processor Process Size	28 nm	14 nm Best value
Graphics GPU	Mali-T860 MP2	Qualcomm Adreno 506
Storage Type	eMMC 5.1	eMMC 5.1
Maximum CPU Clock	1.5 GHz	2 GHz Best value
Maximum Storage Capacity	32 GB	64 GB Best value
CPU Description	Octa-core (4x1.5 GHz Cortex-A53 and 4x1.0 GHz Cortex-A53)	Octa-core processor with ARM Cortex-A53 cores up to 2.0 GHz.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	—	Yes
RAM Capacity	3 GB	4 GB Best value
Expandable Storage	Yes	Yes
Maximum memory card	—	256 GB

Design

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Body Colors	Gold, Black	Silver, Gold, Black, Green, Pink
Body Thickness	8.9 mm	8.5 mm Best value
Body Width	73.7 mm	76 mm
Body Height	149.5 mm	151 mm
Weight	175 g	165 g Best value
Usable Surface	67.7 %	72.7 % Best value
Body Materials	—	Glass, Aluminium Alloy
Unfolded thickness	—	8.5 mm

Battery

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Battery Capacity	5,000 mAh Best value	4,100 mAh
Battery Type	Li-Po	Li-Po
Fast Charge Power	—	10 W
Battery Features	Reverse Charging	Battery Level Indicator, Rechargeable
Talk time	28 h	—
Standby time	816 h	—

Display

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Display Aspect Ratio	16:9	16:9
Display Technology	IPS LCD	IPS LCD
Display Diagonal	5.2″	5.5″ Best value
Display Horizontal Resolution	720 px	1,080 px Best value
Display Vertical Resolution	1,280 px	1,920 px Best value
Display Pixel Density	282 ppi	401 ppi Best value
Display Features	—	Touchscreen

Sensors

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Fingerprint Sensor Placement	Front	Rear

Sensor

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass

Software

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Operating System	Android 7	Android 6
OS Family	Android	Android
OS Version	7 Best value	6

Connectivity

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
SIM Configurations	Nano-SIM + Micro-SIM	Nano-SIM + Micro-SIM, Dual SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B41	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41
Cellular Technologies	GSM, HSPA, LTE	GSM, CDMA, HSPA, LTE, 4G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac	Wi-Fi 802.11a/b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi Features	Dual Band, Wi-Fi Direct	Wi-Fi Direct
Bluetooth Version	Bluetooth 4.0	Bluetooth 4.2 Best value
Bluetooth Profiles	A2DP, EDR	A2DP, LE
Navigation Systems	GPS, GLONASS, BeiDou	GPS, GLONASS, BeiDou
Connectivity Features	3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0, USB OTG	3.5 mm Audio Jack, Infrared, FM Radio, microUSB, USB 2.0, USB OTG
USB Version	USB 2.0	microUSB
Max. download speed	—	300 Mbps
Max. upload speed	—	50 Mbps

Audio

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Microphone Count	—	2
Audio Features	A2DP, EDR, Loudspeaker	Loudspeaker, 24-bit/192kHz Audio

Technical

Specification	Zenfone 3s Max ZC521TL	Redmi Note 4X
Model numbers	X00GD	—