Asus Zenfone 2 (ZE551ML 64GB) vs Xiaomi Redmi Note 4 (32GB/3GB)

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Side by side comparison between Asus Zenfone 2 vs Xiaomi Redmi Note 4 phones, differences, pros, cons and full specifications. What's the better?

7/28/2017 8:45 AM, updated: 3/16/2020 8:04 PM

Compare Xiaomi Redmi Note 4 X Asus Zenfone 2 (ZE551ML 64GB) 06Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

4GB
RAM

Quad-core

3000
mAh

(Non removable)

12Points Xiaomi Redmi Note 4 (32GB/3GB) Compare Asus Zenfone 2 X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

3GB
RAM

Octa-core

4100
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 4 (32GB/3GB)

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!

6 Advantages Asus Zenfone 2 (ZE551ML 64GB)	vs	12 Advantages Xiaomi Redmi Note 4 (32GB/3GB)
+4GB LPDDR333% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+64GB (60GB available)173% More internal storage for applications and files	vs	32GB (22GB available)
+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)
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 a/b/g/n [wifi4]
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2.3GHz 64bit Quad-core	vs	+2GHz 64bit Octa-core13% More powerful processor, you can open your applications faster
Until 64GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC3 times More external storage for files using memory cards
170 grams (5.95 ounces)	vs	+165 grams (5.78 ounces)3% Lighter
10.9 millimeters (0.43 inches)	vs	+8.45 millimeters (0.33 inches)29% Thinner
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 6.0 Marshmallow	vs	+Android 7.0 NougatAdvantage Android 7.0 Nougat is newer and safer
Not supported	vs	+Fingerprint sensorAdvantage Sensors help you use the device
3000 mAh	vs	+4100 mAh37% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
4.0 + A2DP	vs	+4.1 + A2DPAdvantage Bluetooth 4.1 + A2DP is newer and faster

30 Common items in both devices

TFT IPS LCD

16 million

1080x1920 pixels

401 PPI

5.5"

(back) 13MP

Dual-LED flash

+23 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 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Change model		Choose the model
Model	Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Other model names	Asus Zenfone 2 ZE551ML Dual-sim (64GB + 4GB RAM)	Redmi Note 4 Snapdragon (3GB RAM), Xiaomi MarkW
Country or region available	feature not registered	Brazil, India, (Global, International)
Brand	Asus	Xiaomi
Release date	3/1/2015	1/1/2017
Depth	10.9 millimeters (0.43 inches)	8.45 millimeters (0.33 inches)
Size (width x height)	77.2 x 152.5 millimeters (3.04 x 6 in)	76 x 151 millimeters (2.99 x 5.94 in)
Weight	170 grams (5.95 ounces)	165 grams (5.78 ounces)
Build, materials	feature not registered	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	5.5" inches
Screen-to-body ratio	~70.8% (screen-to-body ratio)	~72.7% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
System version	Android 5.0 Lollipop	Android 6.0.1 Marshmallow
Firmware update	Android 6.0 Marshmallow	Android 7.0 Nougat
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Chipset	64bit: Intel Atom Z3580	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)
CPU	Quad-core, 1 processor: 4x 2.3GHz Intel Silvermont (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	PowerVR G6430 MP4	Qualcomm Adreno 506 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
RAM memory	4GB LPDDR3	3GB LPDDR3
Internal storage	64GB (60GB available)	32GB (22GB available)
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/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) micro-SIM (3FF)	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload	150/50 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	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 800/850/900/1700/1800/1900/2100/2600 Bands (1,2,3,4,5,7,8,20) - USA: 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20)	LTE Cat4 850/1800 (Bands 3,5) TD-LTE 2300 (Bands 40)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Back camera (main camera)	13 megapixels	13 megapixels
Main camera resolution	4128x3096 pixels	4128x3096 pixels
Video recording (primary)	Full HD (1920x1080) 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	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	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 only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Front camera (secondary)	5 megapixels	5 megapixels
Front camera resolution	2560x1920 pixels	2592x1944 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, eAAC+	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
USB	MicroUSB 2.0	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	4.1 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4100 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/3GB)
Call control	Voice dialing, Voice recorder	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, Gold, Gray, Red, White • Asus ZenUI • Fast battery charging: 60% in 40min • 5GB free ASUS WebStorage • OpenGL 3.0 • Asus BoostMaster 18W adapter included	• Colors: Black, Gold, Gray • 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 2 (ZE551ML 64GB)	Redmi Note 4 (32GB/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