Asus Zenfone Selfie (ZD551KL 32GB) vs Xiaomi Redmi 4X (64GB)

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

8/18/2017 1:40 PM, updated: 5/11/2020 10:22 AM

Compare Xiaomi Redmi 4X X Asus Zenfone Selfie (ZD551KL 32GB) 10Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

13mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

11Points Xiaomi Redmi 4X (64GB) Compare Asus Zenfone Selfie X

Specifications Compare Models Pictures

5"
IPS

720x1280

13
MP

5mp

4GB
RAM

Octa-core

4100
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 4X (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!

10 Advantages Asus Zenfone Selfie (ZD551KL 32GB)	vs	11 Advantages Xiaomi Redmi 4X (64GB)
+1.7GHz 64bit Octa-core8% More powerful processor, you can open your applications faster	vs	1.4GHz 64bit Octa-core
+1080x1920 pixels125% Higher resolution screen	vs	720x1280 pixels
+401 PPI36% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	294 PPI
+5.5"10% Larger screen	vs	5"
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+(front) 13MP160% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+LiPo: li-ion polymer (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+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 b/g/n/ac [wifi5]Advantage WiFi 802.11 b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
3GB LPDDR3	vs	+4GB LPDDR333% More RAM memory. Typically more responsive and better for multitasking.
32GB (26GB available)	vs	+64GB (54GB available)108% More internal storage for applications and files
Until 64GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC3 times More external storage for files using memory cards
170 grams (5.95 ounces)	vs	+150 grams (5.25 ounces)13% Lighter
10.8 millimeters (0.43 inches)	vs	+8.7 millimeters (0.34 inches)24% Thinner
Android 6.0 Marshmallow	vs	+Android 6.0.1 MarshmallowAdvantage Android 6.0.1 Marshmallow is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
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

26 Common items in both devices

TFT IPS LCD

16 million

(back) 13MP

Only digital zoom

Autofocus / PDAF: phase detection autofocus

HDR photo only main camera

f/2.0 (aperture)

+19 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 Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Change model		Choose the model
Model	Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Other model names	Asus Zenfone Selfie Dual Sim ZD551KL	Xiaomi Hongmi 4X 4GB RAM 64GB, MAE136, MAT136
Country or region available	(Global, International)	China, India, Malaysia, Pakistan
Brand	Asus	Xiaomi
Release date	7/1/2015	5/1/2017
Depth	10.8 millimeters (0.43 inches)	8.7 millimeters (0.34 inches)
Size (width x height)	77.2 x 156.5 millimeters (3.04 x 6.16 in)	70 x 139.2 millimeters (2.76 x 5.48 in)
Weight	170 grams (5.95 ounces)	150 grams (5.25 ounces)
Build, materials	feature not registered	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	5" inches
Screen-to-body ratio	~69% (screen-to-body ratio)	~70.7% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	294 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 3
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
System version	Android 5.0.2 Lollipop	Android 6.0.1 Marshmallow
Firmware update	Android 6.0 Marshmallow	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Chipset	64bit: Qualcomm Snapdragon 615 MSM8939 (28nm)	64bit: Qualcomm Snapdragon 435 MSM8940 (28nm)
CPU	Octa-core, 2 processors: 4x 1.7GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 1.4GHz ARM Cortex-A53 (Quad-core) 4x 1.1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 405	Qualcomm Adreno 505
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
RAM memory	3GB LPDDR3	4GB LPDDR3
Internal storage	32GB (26GB available)	64GB (54GB 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 Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
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	300/50 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	Global model: UMTS 850/900/1900/2100 India model: UMTS 900/2100 China model: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,7,8,20)	LTE Cat6 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+, LTE	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
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	LED flash
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3.2" inches	feature not registered
Pixel size	feature not registered	feature not registered
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	Supported	Not supported
HDR	HDR photo only main camera	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Front camera (secondary)	13 megapixels	5 megapixels
Front camera resolution	4128x3096 pixels	2560x1920 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (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 Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
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
Audio formats	MP3, WAV, eAAC+	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
USB	MicroUSB 2.0	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Micro-B USB MHL	Not supported
Bluetooth	4.0 + A2DP	4.1 + A2DP
WiFi	802.11 b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Battery type	LiPo: li-ion polymer (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	23 hours	feature not registered
Standby	255 hours (10.6 days)	feature not registered
➕ Other features
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
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: Pure White, Chic Pink, Aqua Blue • ASUS ZenUI • ASUS TruVivid • Oleophobic coating on screen • Laser autofocus camera • Toshiba sensor camera • 5GB ASUS WebStorage • Beidou GPS	• Colors: Black, Gold • MIUI 8 • 450nit screen • VoLTE • WiFi display, direct, hotspot
☢️ Radiation rate
	Asus Zenfone Selfie (ZD551KL 32GB)	Redmi 4X (64GB)
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