HMD Skyline (128GB/8GB) vs Asus Zenfone 3 (5.5 ZE552KL 32GB)

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

2/2/2026 4:53 PM, updated: 2/2/2026 5:25 PM

Compare Asus Zenfone 3 X HMD Skyline (128GB/8GB) 31Points

Specifications Compare Models Pictures

6.55"
POLED

1080x2400

108
MP

50mp

8GB
RAM

Octa-core

4600
mAh

(Removable)

04Points Asus Zenfone 3 (5.5 ZE552KL 32GB) Compare HMD Skyline X

Specifications Compare Models Pictures

5.5"
IPS+

1080x1920

16
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? HMD Skyline (128GB/8GB)

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!

31 Advantages HMD Skyline (128GB/8GB)	vs	4 Advantages Asus Zenfone 3 (5.5 ZE552KL 32GB)
+2.4GHz 64bit Octa-core (4nm)20% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (14nm)
+8GB LPDDR5167% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+128GB (101GB available)3 times More internal storage for applications and files	vs	32GB (24GB available)
+UFS 2.2Advantage Fastest write and read storage.	vs	eMMC 5.1
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+P-OLEDAdvantage P-OLED display is brighter and more vivid	vs	TFT Super IPS+
+HDR10Advantage The HDR10 display provides vibrant colors and more details	vs	Not supported
+144Hz140% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1080x2400 pixels25% Higher resolution screen	vs	1080x1920 pixels
+402 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	401 PPI
+6.55"19% Larger screen	vs	5.5"
+(triple camera) 108MP + 50MP + 13MP10 times Higher resolution main camera	vs	(back) 16MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 50MP5 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+Android 16Advantage Android 16 is newer and safer	vs	Android 8.0 Oreo
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+4600 mAh53% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
+33W2 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.	vs	10W
+Qi2 wireless chargingAdvantage Wireless charging is another way to charge the battery.	vs	Not supported
+1 slot (Single-SIM) + e-SIM (Eletronic) (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)
+Stereo sound with dual speakersAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+IP54 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
209 grams (7.32 ounces)	vs	+155 grams (5.43 ounces)35% Lighter
8.9 millimeters (0.35 inches)	vs	+7.7 millimeters (0.3 inches)16% Thinner
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores

24 Common items in both devices

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

16 million

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

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

HDR photo on both cameras

4K UHD (3840x2160)

(front) Full HD (1920x1080)

+17 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
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Change model		Choose the model
Model	Skyline (128GB/8GB)	Zenfone 3 (5.5 ZE552KL 32GB)
Other model names	HMD Skyline (8GB RAM) TA-1600	Zenfone 3 ZE552KL 3GB/32GB 5.5" Dual-SIM, Asus Libra
Country or region available	(Global, International)	(Europe), (Global, International), China
Brand	HMD	Asus
Release date	7/19/2024, Announced: 7/18/2024	7/12/2016
Depth	8.9 millimeters (0.35 inches)	7.7 millimeters (0.3 inches)
Size (width x height)	75.66 x 159.84 millimeters (2.98 x 6.29 in)	77.38 x 152.59 millimeters (3.05 x 6.01 in)
Weight	209 grams (7.32 ounces)	155 grams (5.43 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum body, glass front, plastic back
Protection against water and others	IP54 certified: protection against dust and splashing	Not supported
📲 Display
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Display type	P-OLED	TFT Super IPS+
Screen size	6.55" inches	5.5" inches
Screen-to-body ratio	~85.6% (screen-to-body ratio)	~70.6% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x1920 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	402 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	144Hz	60Hz
Display features	1000nits[peak] HDR10	2.5D glass
🤖 Operating System
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
System version	Android 14	Android 6.0.1 Marshmallow
Firmware update	Android 16	Android 8.0 Oreo
User Interface	feature not registered	ZenUI 3.0
⚙️ Processor
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Chipset	64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm)	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)
CPU	Octa-core, 2 processors: 4x 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	Qualcomm Adreno 710 (900MHz)	Qualcomm Adreno 506 (650MHz)
Performance (benchmark)	AnTuTu: 581402 (v10) Geekbench: 2899 (v6)	feature not registered
💽 Memory and storage
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
RAM memory	8GB LPDDR5	3GB LPDDR3
Internal storage	128GB (101GB available) UFS 2.2	32GB (24GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
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	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload	2000/1024 Mbps	300/50 Mbps
Network technology	2G, 3G, 4G, 5G	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 850/900/1700/1900/2100	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 India: UMTS 850/900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE	LTE Cat6 Global: LTE (1, 2, 3, 5, 7, 8, 20) Taiwan: LTE (1, 2, 3, 5, 7, 8, 18, 19, 26, 28) TD-LTE (38, 39, 40, 41) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil/USA: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28)
Primary 5G network	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	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	UMTS 850/900/1700/1900/2100	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 India: UMTS 850/900/2100
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
📷 Camera
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Back camera (main camera)	(triple camera) 108 megapixels 50MP telephoto f/2.01/2.76"0.64µmPDAF2x-optical-zoom 13MP ultrawide f/2.51/3"1.12µm	16 megapixels
Main camera resolution	12000x9000 pixels	4608x3456 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/1.67" inches	feature not registered
Pixel size	0.64µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical 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	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	4K@30fps 1080p@30fps	4K@30fps 1080p@30/60fps
📸 Front camera
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Front camera (secondary)	50 megapixels	8 megapixels
Front camera resolution	8160x6120 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.5 (aperture)	f/2.0 (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
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Loudspeaker	Stereo sound with dual speakers OZO audio	Mono sound (not stereo) 24-bit/192kHz
Active noise cancellation	2 microphones	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.2 + A2DP/LE	4.2 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + 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, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
Battery type	Li-Ion: lithium-ion (Removable) HBA4633AA	Li-Ion: lithium-ion (Non removable)
Battery capacity	4600 mAh	3000 mAh
Charger, watts	33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	10W (5V/2A) Wired charging
Inductive / wireless charging	15W Qi2 wireless charging 5W Reverse wireless charging	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
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: Twisted Black, Blue Topaz, Neon Pink	• Colors: Sapphire Black, Moonlight White, Shimmer Gold
☢️ Radiation rate
	HMD Skyline (128GB/8GB)	Asus Zenfone 3 (5.5 ZE552KL 32GB)
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