Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB) vs Asus Zenfone 5Z (ZS621KL 64GB)

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Side by side comparison between Asus Zenfone 3 Deluxe vs Asus Zenfone 5Z phones, differences, pros, cons and full specifications. What's the better?

8/26/2018 9:15 AM, updated: 9/28/2020 10:56 PM

Compare Asus Zenfone 5Z X Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB) 02Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

16
MP

8mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

14Points Asus Zenfone 5Z (ZS621KL 64GB) Compare Asus Zenfone 3 Deluxe X

Specifications Compare Models Pictures

6.2"
IPS

1080x2246

12
MP

8mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone 5Z (ZS621KL 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!

2 Advantages Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	vs	14 Advantages Asus Zenfone 5Z (ZS621KL 64GB)
+151 grams (5.29 ounces)9% Lighter	vs	165 grams (5.78 ounces)
+7.8 millimeters (0.31 inches)1% Thinner	vs	7.9 millimeters (0.31 inches)
2GHz 64bit Octa-core	vs	+2.7GHz 64bit Octa-core21% More powerful processor, you can open your applications faster
4GB LPDDR3	vs	+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
1080x1920 pixels	vs	+1080x2246 pixels17% Higher resolution screen
401 PPI	vs	+402 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.2"13% Larger screen
(back) 16MP	vs	+(dual camera) 12MP + 8MP26% Higher resolution main camera
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Android 8.0 Oreo	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 800 Mbps167% Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3000 mAh	vs	+3300 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster

33 Common items in both devices

64GB (55GB available) / 64GB (51GB available)

TFT IPS LCD

16 million

Dual-LED flash

Only digital zoom

LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus

OIS: Optical stabilization / OIS (4-axis): Optical stabilization

+26 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 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Change model		Choose the model
Model	Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Zenfone 5Z (ZS621KL 64GB)
Other model names	Asus Zenfone 3 Deluxe ZS550KL 4GB/64GB 5.5"	Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD
Country or region available	(Global, International), Bulgaria, USA, Philippines, Greece, Hungary, Japan, Taiwan	India
Brand	Asus	Asus
Release date	9/1/2016	6/1/2018
Depth	7.8 millimeters (0.31 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	76.7 x 151.5 millimeters (3.02 x 5.96 in)	75.65 x 153 millimeters (2.98 x 6.02 in)
Weight	151 grams (5.29 ounces)	165 grams (5.78 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	6.2" inches
Screen-to-body ratio	~71.8% (screen-to-body ratio)	~83.7% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2246 pixels (18.7:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	401 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass
Refresh rate	feature not registered	60Hz
Display features	feature not registered	550nits[typ]
🤖 Operating System
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
System version	Android 6.0.1 Marshmallow	Android 8.0 Oreo
Firmware update	Android 8.0 Oreo	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	Qualcomm Adreno 630 710Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
RAM memory	4GB LPDDR3	6GB LPDDR4X
Internal storage	64GB (55GB available)	64GB (51GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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) and nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	800/100 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 800/850/900/1700/1900/2100	UMTS 800/850/900
Primary 4G network	LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,18,19,20,26,28)	LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	GPRS, EDGE, 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 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Back camera (main camera)	16 megapixels	(dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF
Main camera resolution	4608x3456 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	feature not registered	1/2.55" inches
Pixel size	1.12µm pixel	1.4µm pixel
Autofocus	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS (4-axis): Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Front camera (secondary)	8 megapixels	8 megapixels
Front camera resolution	3264x2448 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	feature not registered	1/4" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	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+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
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) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3000 mAh	3300 mAh
Charger, watts	Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	25 hours (1 days)
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
Call control	Voice dialing, Voice recorder, Voice commands	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: Shimmer Gold • USB OTG On-The-Go • Asus ZenUI 3.0 • Sony IMX298 sensor camera • Quick Charge 3.0 • Fast battery charging: 60% in 40min	• Colors: Midnight Blue, Meteor Silver • 2.5D curved glass screen • 95% DCI-P3 coverage • Supports glove touch • ASUS ZenUI 5.0 • 24-bit/192kHz audio • DTS sound (only headphones)
☢️ Radiation rate
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Asus Zenfone 5Z (ZS621KL 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.04W/kg (head), 0.37W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.2W/kg (head), 1.477W/kg (body)