Asus Zenfone 5Z (ZS621KL 128GB) vs HTC U11 (Dual 64GB)

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Side by side comparison between Asus Zenfone 5Z vs HTC U11 phones, differences, pros, cons and full specifications. What's the better?

8/26/2018 9:18 AM, updated: 9/28/2020 10:56 PM

Compare HTC U11 X Asus Zenfone 5Z (ZS621KL 128GB) 14Points

Specifications Compare Models Pictures

6.2"
IPS

1080x2246

12
MP

8mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

08Points HTC U11 (Dual 64GB) Compare Asus Zenfone 5Z X

Specifications Compare Models Pictures

5.5"
SLCD5

1440x2560

12.2
MP

16mp

4GB
RAM

Octa-core

3000
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!

14 Advantages Asus Zenfone 5Z (ZS621KL 128GB)	vs	8 Advantages HTC U11 (Dual 64GB)
+2.7GHz 64bit Octa-core1% More powerful processor, you can open your applications faster	vs	2.45GHz 64bit Octa-core (10nm)
+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4
+128GB (111GB available)106% More internal storage for applications and files	vs	64GB (54GB available)
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+165 grams (5.78 ounces)2% Lighter	vs	169 grams (5.92 ounces)
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT Super LCD 5
+6.2"13% Larger screen	vs	5.5"
+(dual camera) 12MP + 8MP64% Higher resolution main camera	vs	(back) 12.2MP
+Android 10Advantage Android 10 is newer and safer	vs	Android 8.0 Oreo
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+3300 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
1080x2246 pixels	vs	+1440x2560 pixels52% Higher resolution screen
402 PPI	vs	+534 PPI33% Crisper display of text, images and videos because it has more pixels per inch (ppi)
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/1.8 (aperture)	vs	+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 16MP99% Higher resolution secondary camera to take pictures and selfies
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.1 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Waterproof (IP?)Advantage Protection against water allows you talk to your friends in the rain, for example

30 Common items in both devices

7.9 millimeters (0.31 inches)

16 million

Dual-LED flash

Only digital zoom

PDAF: phase detection autofocus

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

HDR photo on both cameras / HDR photo/video on both cameras

+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 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
Change model		Choose the model
Model	Zenfone 5Z (ZS621KL 128GB)	U11 (Dual 64GB)
Other model names	Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD	HTC U11 Dual-Sim 4GB RAM U-3u, HTC Ocean
Country or region available	India	(Global, International), Saudi Arabia, China, United Arab Emirates, (Europe), Philippines, Hong Kong, India, Malaysia, Russia, Singapore, Taiwan
Brand	Asus	HTC
Release date	6/1/2018	6/1/2017
Depth	7.9 millimeters (0.31 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	75.65 x 153 millimeters (2.98 x 6.02 in)	75.9 x 153.9 millimeters (2.99 x 6.06 in)
Weight	165 grams (5.78 ounces)	169 grams (5.92 ounces)
Build, materials	Aluminum frame, glass front/back	feature not registered
Protection against water and others	Not supported	Waterproof (IP?)
📲 Display
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
Display type	TFT IPS LCD	TFT Super LCD 5
Screen size	6.2" inches	5.5" inches
Screen-to-body ratio	~83.7% (screen-to-body ratio)	~71.4% (screen-to-body ratio)
Display resolution	1080x2246 pixels (18.7:9)	1440x2560 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	534 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass 5
Refresh rate	60Hz	feature not registered
Display features	550nits[typ]	feature not registered
🤖 Operating System
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
System version	Android 8.0 Oreo	Android 7.1 Nougat
Firmware update	Android 10	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)
CPU	Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 710Mhz	Qualcomm Adreno 540 (670-710MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
RAM memory	6GB LPDDR4X	4GB LPDDR4
Internal storage	128GB (111GB available) UFS 2.1	64GB (54GB available)
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 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) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	800/100 Mbps	800/75 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 (U-3w), GSM 850/900/1800/1900
Primary 3G network	UMTS 800/850/900	Global version (U-3u): UMTS 850/900/1900/2100 China version (U-3w): CDMA2000 EV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41)	LTE Cat15 Global version (U-3u): LTE (Bands 1,3,4,5,7,8,12,17,20,28,32) TD-LTE (Bands 39,40,38,41) China version (U-3w): LTE (Bands 1,3,4,5,7,8,12,17) TD-LTE (Bands 39,40,38,41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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
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 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
Back camera (main camera)	(dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF	12.2 megapixels
Main camera resolution	4000x3000 pixels	4032x3024 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.7 (aperture)
Focal length	24mm (lens)	feature not registered
Sensor size	1/2.55" inches	feature not registered
Pixel size	1.4µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical 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	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
Front camera (secondary)	8 megapixels	16 megapixels
Front camera resolution	3264x2448 pixels	4608x3456 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	24mm (lens)	feature not registered
Sensor size	1/4" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
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.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, OGG, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.1 Type-C reversible connector
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	4.2 + A2DP
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) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3300 mAh	3000 mAh
Charger, watts	18W (9V/2A) Wired fast charging	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	25 hours (1 days)	24.5 hours (1 days)
Standby	feature not registered	336 hours (14 days)
➕ Other features
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
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: 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)	• Colors: Black, White, Silver, Blue, Solar Red • USB OTG On-The-Go • Aluminum and glass body • 3D glass screen • Amazon Alexa • Plastic case included • HTC Sense UI • HTC BoomSound • Hi-Res audio • 24-bit/192kHz audio • Fast battery charging • Quick Charge 3.0 • Type-C to 3.5mm headphone jack adapter • Slow motion 1080p@120fps • Miracast • IP67 certified: dust and water resistant up to 1m and 30min
☢️ Radiation rate
	Asus Zenfone 5Z (ZS621KL 128GB)	HTC U11 (Dual 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.04W/kg (head), 0.37W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	1.2W/kg (head), 1.477W/kg (body)	feature not registered