Asus Zenfone AR (ZS571KL 64GB) vs Xiaomi Redmi Note 4 (MTK 64GB/3GB)

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Side by side comparison between Asus Zenfone AR vs Xiaomi Redmi Note 4 phones, differences, pros, cons and full specifications. What's the better?

5/14/2020 2:04 PM, updated: 11/25/2021 5:08 AM

Compare Xiaomi Redmi Note 4 X Asus Zenfone AR (ZS571KL 64GB) 19Points

Specifications Compare Models Pictures

5.7"
AMOLED

1440x2560

23
MP

8mp

6GB
RAM

Quad-core

3300
mAh

(Non removable)

04Points Xiaomi Redmi Note 4 (MTK 64GB/3GB) Compare Asus Zenfone AR X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

3GB
RAM

Deca-core

4100
mAh

(Non removable)

What's the better phone? Asus Zenfone AR (ZS571KL 64GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

19 Advantages Asus Zenfone AR (ZS571KL 64GB)	vs	4 Advantages Xiaomi Redmi Note 4 (MTK 64GB/3GB)
+2.35GHz 64bit Quad-core1% More powerful processor, you can open your applications faster	vs	2.1GHz 64bit Deca-core
+6GB LPDDR4100% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+170 grams (5.95 ounces)3% Lighter	vs	175 grams (6.13 ounces)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1440x2560 pixels78% Higher resolution screen	vs	1080x1920 pixels
+515 PPI28% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	401 PPI
+5.7"4% Larger screen	vs	5.5"
+(back) 23MP80% Higher resolution main camera	vs	(back) 13MP
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+(front) 8MP59% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
64GB (48GB available)	vs	+64GB (54GB available)13% More internal storage for applications and files
8.9 millimeters (0.35 inches)	vs	+8.35 millimeters (0.33 inches)7% Thinner
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
3300 mAh	vs	+4100 mAh24% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

29 Common items in both devices

Aluminum body, glass front, plastic back / Aluminum body, glass front

16 million

Dual-LED flash

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

f/2.0 (aperture)

+22 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Change model		Choose the model
Model	Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Other model names	Asus Zenfone AR ZS571KL (64GB+6GB RAM) A002A, A002	红米Note 4, Redmi Note 4 (MediaTek) Deca-Core, Xiaomi Nikel
Country or region available	(Global, International)	China, Hong Kong
Brand	Asus	Xiaomi
Release date	5/1/2017, Announced: 1/9/2017	8/1/2016
Depth	8.9 millimeters (0.35 inches)	8.35 millimeters (0.33 inches)
Size (width x height)	77.4 x 158.7 millimeters (3.05 x 6.25 in)	76 x 151 millimeters (2.99 x 5.94 in)
Weight	170 grams (5.95 ounces)	175 grams (6.13 ounces)
Build, materials	Aluminum body, glass front, plastic back	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	5.7" inches	5.5" inches
Screen-to-body ratio	~72.9% (screen-to-body ratio)	~72.7% (screen-to-body ratio)
Display resolution	1440x2560 pixels (16:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	515 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
System version	Android 7.0 Nougat	Android 6.0.1 Marshmallow
Firmware update	feature not registered	Android 7.0 Nougat
User Interface	ZenUI 3.0	feature not registered
⚙️ Processor
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Chipset	64bit: Qualcomm Snapdragon 821 MSM8996 (14nm)	64bit: MediaTek MT6797 Helio X20 (20nm)
CPU	Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)	Deca-core, 3 processors: 2x 2.1GHz ARM Cortex-A72 (Dual-core) 4x 1.85GHz ARM Cortex-A53 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 530 650Mhz	ARM Mali-T880 MP4 780Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
RAM memory	6GB LPDDR4	3GB LPDDR3
Internal storage	64GB (48GB available) UFS 2.0	64GB (54GB available)
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload	600/75 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G network	Global version: UMTS 800/850/900/1900/2100 America version: UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (Bands 38, 40, 41) America version: LTE (Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 29)	LTE Cat4 850/900/1800/2100/2600 (Bands 1,3,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE
📷 Camera
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Back camera (main camera)	23 megapixels	13 megapixels
Main camera resolution	5536x4152 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	27mm (lens)	feature not registered
Sensor size	1/2.6" inches	feature not registered
Pixel size	1µm pixel	1.12µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	Motion tracking sensors	feature not registered
📸 Front camera
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Front camera (secondary)	8 megapixels	5 megapixels
Front camera resolution	3264x2448 pixels	2592x1944 pixels
Video recording (secondary)	Full HD (1920x1080)	HD (1280x720)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/4" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Loudspeaker	Mono sound (not stereo) Hi-Res audio	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	4.2 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	4100 mAh
Charger, watts	18W (9V/2A) Wired fast charging Quick Charge 3	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black • Tango and Daydream by Google	• Colors: Black, Silver, Gray, Gold, Blue • USB OTG On-The-Go • Aluminum body • 2.5D curved glass • MIUI 8.0 • 720p@120fps slow-motion • 24-bit/192kHz audio • WiFi display
☢️ Radiation rate
	Asus Zenfone AR (ZS571KL 64GB)	Redmi Note 4 (MTK 64GB/3GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered