Xiaomi Black Shark (128GB) vs Asus Zenfone 5Z (ZS621KL 128GB)

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

8/26/2018 9:18 AM, updated: 5/1/2021 7:45 PM

Compare Asus Zenfone 5Z X Xiaomi Black Shark (128GB) 08Points

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

14Points Asus Zenfone 5Z (ZS621KL 128GB) Compare Xiaomi Black Shark 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 128GB)

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!

8 Advantages Xiaomi Black Shark (128GB)	vs	14 Advantages Asus Zenfone 5Z (ZS621KL 128GB)
+2.8GHz 64bit Octa-core5% More powerful processor, you can open your applications faster	vs	2.7GHz 64bit Octa-core
+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+403 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	402 PPI
+(dual camera) 12MP + 20MP60% Higher resolution main camera	vs	(dual camera) 12MP + 8MP
+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
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+(front) 20MP149% Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+4000 mAh21% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3300 mAh
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
190 grams (6.65 ounces)	vs	+165 grams (5.78 ounces)15% Lighter
9.25 millimeters (0.36 inches)	vs	+7.9 millimeters (0.31 inches)17% Thinner
1080x2160 pixels	vs	+1080x2246 pixels4% Higher resolution screen
5.99"	vs	+6.2"4% Larger screen
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/2.9" inches	vs	+1/2.55" inches14% The larger sensor camera lets you take photos with better depth.
Android 8.0 Oreo	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE-A) 600 Mbps	vs	+(4G LTE-A) 800 Mbps33% Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
Not supported	vs	+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys

31 Common items in both devices

128GB (110GB available) / 128GB (111GB available)

Aluminum body, glass front / Aluminum frame, glass front/back

TFT IPS LCD

60Hz

16 million

PDAF: phase detection autofocus

HDR photo on both cameras

+24 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
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Change model		Choose the model
Model	Black Shark (128GB)	Zenfone 5Z (ZS621KL 128GB)
Other model names	Xiaomi Black Shark SKR-A0 Gamer 8GB RAM	Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD
Country or region available	China, Hong Kong, Taiwan	India
Brand	Xiaomi	Asus
Release date	4/13/2018	6/1/2018
Depth	9.25 millimeters (0.36 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	75.4 x 161.62 millimeters (2.97 x 6.36 in)	75.65 x 153 millimeters (2.98 x 6.02 in)
Weight	190 grams (6.65 ounces)	165 grams (5.78 ounces)
Build, materials	Aluminum body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.99" inches	6.2" inches
Screen-to-body ratio	~76% (screen-to-body ratio)	~83.7% (screen-to-body ratio)
Display resolution	1080x2160 pixels (18:9)	1080x2246 pixels (18.7:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	403 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass
Refresh rate	60Hz	60Hz
Display features	550nits[typ]	550nits[typ]
🤖 Operating System
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
System version	Android 8.0 Oreo	Android 8.0 Oreo
Firmware update	feature not registered	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-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 630 710Mhz	Qualcomm Adreno 630 710Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
RAM memory	8GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (110GB available)	128GB (111GB available) UFS 2.1
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	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) nano-SIM (4FF)
Maximum Download / Upload	600/50 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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 800/850/900
Primary 4G network	LTE Cat12 (1, 3, 4, 5, 7, 8, 12) TD-LTE (34, 38, 39, 40, 41)	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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, 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
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Back camera (main camera)	(dual camera) 12 megapixels 20MP telephoto f/1.81.0µmAF2x-optical-zoom	(dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF
Main camera resolution	4000x3000 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED on main camera and LED on front camera	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	1/2.9" inches	1/2.55" inches
Pixel size	1.25µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS (4-axis): Optical stabilization
Zoom	Digital and optical 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
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Front camera (secondary)	20 megapixels	8 megapixels
Front camera resolution	5952x3348 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	1/2.8" inches	1/4" inches
Pixel size	1µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
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.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO 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	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4000 mAh	3300 mAh
Charger, watts	18W (9V/2A) Wired fast charging Quick Charge 3	18W (9V/2A) Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	25 hours (1 days)
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
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: Black, Gray • 97% DCI-P3 coverage • Gaming Controller Dock	• 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
	Xiaomi Black Shark (128GB)	Asus Zenfone 5Z (ZS621KL 128GB)
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)