Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB) vs Lenovo ZUK Z1 (Z1221)

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Side by side comparison between Asus Zenfone 4 Selfie Pro vs Lenovo ZUK Z1 phones, differences, pros, cons and full specifications. What's the better?

2/4/2018 8:32 PM, updated: 5/10/2020 6:15 PM

Compare Lenovo ZUK Z1 X Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB) 16Points

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

16
MP

12mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

05Points Lenovo ZUK Z1 (Z1221) Compare Asus Zenfone 4 Selfie Pro X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

8mp

3GB
RAM

Quad-core

4100
mAh

(Non removable)

What's the better phone? Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)

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!

16 Advantages Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	vs	5 Advantages Lenovo ZUK Z1 (Z1221)
+2GHz 64bit Octa-core32% More powerful processor, you can open your applications faster	vs	2.5GHz 32bit Quad-core
+4GB LPDDR333% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+147 grams (5.15 ounces)19% Lighter	vs	175 grams (6.13 ounces)
+6.85 millimeters (0.27 inches)30% Thinner	vs	8.9 millimeters (0.35 inches)
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+(back) 16MP25% Higher resolution main camera	vs	(back) 13MP
+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light	vs	Dual-LED flash
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+(dual front camera) 12MP + 8MP150% Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+3500000 apps (Google Play Store)75% More apps available to download and use	vs	2000000 apps (Google Play Store)
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster	vs	4.1 + A2DP
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
3000 mAh	vs	+4100 mAh37% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
MicroUSB 2.0	vs	+USB 3.1 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

27 Common items in both devices

64GB (54GB available)

16 million

1080x1920 pixels

401 PPI

5.5"

Only digital zoom

PDAF: phase detection autofocus / Autofocus

+20 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 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Change model
Model	Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	ZUK Z1 (Z1221)
Other model names	Asus Zenfone 4 Selfie Pro ZD552KL (64GB + 4GB RAM)	Lenovo Zuk Z1221, Lenovo Z1221
Country or region available	Brazil, China, (Europe), Philippines, Hong Kong, India, Indonesia, Malaysia, Taiwan, (Global, International)	(Global, International), China, Hong Kong
Brand	Asus	Lenovo
Release date	9/14/2017	9/1/2015
Depth	6.85 millimeters (0.27 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.8 x 154 millimeters (2.94 x 6.06 in)	77.3 x 155.7 millimeters (3.04 x 6.13 in)
Weight	147 grams (5.15 ounces)	175 grams (6.13 ounces)
Build, materials	feature not registered	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Display type	AMOLED	TFT IPS LCD
Screen size	5.5" inches	5.5" inches
Screen-to-body ratio	~72.4% (screen-to-body ratio)	~69.3% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
System version	Android 7.0 Nougat	CyanogenMod 12.1
Firmware update	feature not registered	CyanogenMod 13
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	Qualcomm Adreno 330 578Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
RAM memory	4GB LPDDR3	3GB LPDDR3
Internal storage	64GB (54GB available) eMMC 5.1	64GB (54GB available)
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
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
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) 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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	Global version: UMTS 850/900/2100 USA/Brazil version: UMTS 850/900/1700/1900/2100 Taiwan/Japan/Hong Kong version: UMTS 800/850/900/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 Global version: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 40) USA/Brazil version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan/Japan/Hong Kong version: LTE (Bands 1,3,5,7,8,18,19,26,28) TD-LTE (Bands 38,41)	LTE Cat4 1800/2100/2600 (Bands 1,3,7) 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	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	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Back camera (main camera)	16 megapixels	13 megapixels
Main camera resolution	4608x3456 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 60 fps
Flash	Dual-LED on main camera and LED on front camera	Dual-LED flash
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: 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 only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Front camera (secondary)	(dual front camera) 12 megapixels 8MP 12mm120°	8 megapixels
Front camera resolution	4000x3000 pixels	3264x2448 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/1.8 (aperture)	f/2.2 (aperture)
Focal length	25mm (lens)	feature not registered
Sensor size	1/2.55" inches	feature not registered
Pixel size	1.4µm pixel	feature not registered
🔉 Sound and multimedia
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.264, H.263
Audio formats	MP3, WAV, OGG, eAAC+, FLAC	MP3, WAV, OGG, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
USB	MicroUSB 2.0	USB 3.1 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	4.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4100 mAh
Charger, watts	10W (5V/2A) Wired charging	10W (5V/2A) Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	30 hours (1.3 days)	38 hours (1.6 days)
Standby	feature not registered	526 hours (21.9 days)
➕ Other features
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
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: Rouge Red, Sunlight Gold, Deepsea Black • Metal body • ASUS ZenUI 4.0 • 2.5D screen glass • DTS sound enhancement • Hi-Res audio • 24-bit/192kHz audio • Slow motion 720p@120fps • Sony IMX362 sensor front camera • DuoPixel 24MP (2x12MP) front camera • Fast battery charging • VoLTE	• Colors: White, Dark Gray • USB OTG On-The-Go • Aluminum body • Sony IMX214 sensor back camera • Fast battery charging: 100% in 2,5h • WiFi hotspot
☢️ Radiation rate
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Lenovo ZUK Z1 (Z1221)
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