Asus Zenfone 3 (5.2 ZE520KL 64GB) vs HMD Skyline (256GB/8GB)

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

2/2/2026 5:26 PM, updated: 2/2/2026 5:26 PM

Compare HMD Skyline X Asus Zenfone 3 (5.2 ZE520KL 64GB) 05Points

Specifications Compare Models Pictures

5.2"
IPS+

1080x1920

16
MP

8mp

4GB
RAM

Octa-core

2650
mAh

(Non removable)

30Points HMD Skyline (256GB/8GB) Compare Asus Zenfone 3 X

Specifications Compare Models Pictures

6.55"
POLED

1080x2400

108
MP

50mp

8GB
RAM

Octa-core

4600
mAh

(Removable)

What's the better phone? HMD Skyline (256GB/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!

5 Advantages Asus Zenfone 3 (5.2 ZE520KL 64GB)	vs	30 Advantages HMD Skyline (256GB/8GB)
+144 grams (5.04 ounces)45% Lighter	vs	209 grams (7.32 ounces)
+7.7 millimeters (0.3 inches)16% Thinner	vs	8.9 millimeters (0.35 inches)
+424 PPI5% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	402 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2GHz 64bit Octa-core (14nm)	vs	+2.4GHz 64bit Octa-core (4nm)20% More powerful processor, you can open your applications faster
4GB LPDDR3	vs	+8GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
64GB (55GB available)	vs	+256GB (222GB available)3 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.2Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
TFT Super IPS+	vs	+P-OLEDAdvantage P-OLED display is brighter and more vivid
Not supported	vs	+HDR10Advantage The HDR10 display provides vibrant colors and more details
60Hz	vs	+144Hz140% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
5.2"	vs	+6.55"26% Larger screen
(back) 16MP	vs	+(triple camera) 108MP + 50MP + 13MP10 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
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.
(front) 8MP	vs	+(front) 50MP5 times Higher resolution secondary camera to take pictures and selfies
Android 8.0 Oreo	vs	+Android 16Advantage Android 16 is newer and safer
4G LTE	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
2650 mAh	vs	+4600 mAh74% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Li-Ion: lithium-ion (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
10W	vs	+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.
Not supported	vs	+Qi2 wireless chargingAdvantage Wireless charging is another way to charge the battery.
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Mono sound (not stereo)	vs	+Stereo sound with dual speakersAdvantage Better sound quality for listening to music or clearer hands-free calls
802.11 a/b/g/n/ac [wifi5]	vs	+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
4.2 + A2DP	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
Not supported	vs	+IP54 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

24 Common items in both devices

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

16 million

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

OIS (4-axis): Optical stabilization / OIS: 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
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Change model		Choose the model
Model	Zenfone 3 (5.2 ZE520KL 64GB)	Skyline (256GB/8GB)
Other model names	Zenfone 3 ZE520KL 4GB/64GB 5.2" Dual-SIM	HMD Skyline (8GB RAM) TA-1600
Country or region available	(Europe), (Global, International), Hong Kong, Japan, Singapore, Taiwan	(Global, International)
Brand	Asus	HMD
Release date	7/12/2016	7/19/2024, Announced: 7/18/2024
Depth	7.7 millimeters (0.3 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	73.98 x 146.87 millimeters (2.91 x 5.78 in)	75.66 x 159.84 millimeters (2.98 x 6.29 in)
Weight	144 grams (5.04 ounces)	209 grams (7.32 ounces)
Build, materials	Aluminum body, glass front, plastic back	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP54 certified: protection against dust and splashing
📲 Display
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Display type	TFT Super IPS+	P-OLED
Screen size	5.2" inches	6.55" inches
Screen-to-body ratio	~68.6% (screen-to-body ratio)	~85.6% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	424 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	144Hz
Display features	2.5D glass	1000nits[peak] HDR10
🤖 Operating System
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
System version	Android 6.0.1 Marshmallow	Android 14
Firmware update	Android 8.0 Oreo	Android 16
User Interface	ZenUI 3.0	feature not registered
⚙️ Processor
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)	64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 4x 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 506 (650MHz)	Qualcomm Adreno 710 (900MHz)
Performance (benchmark)	feature not registered	AnTuTu: 581402 (v10) Geekbench: 2899 (v6)
💽 Memory and storage
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
RAM memory	4GB LPDDR3	8GB LPDDR5
Internal storage	64GB (55GB available) eMMC 5.1	256GB (222GB available) UFS 2.2
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
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 (dedicated slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	150/50 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	Global: LTE Cat4 (1, 2, 3, 5, 7, 8, 20) Taiwan: LTE Cat6 (1, 2, 3, 5, 7, 8, 18, 19, 26, 28) TD-LTE (38, 39, 40, 41)	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
Primary 5G network	Not supported	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	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
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Back camera (main camera)	16 megapixels	(triple camera) 108 megapixels 50MP telephoto f/2.01/2.76"0.64µmPDAF2x-optical-zoom 13MP ultrawide f/2.51/3"1.12µm
Main camera resolution	4608x3456 pixels	12000x9000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/1.67" inches
Pixel size	feature not registered	0.64µm pixel
Autofocus	LDAF/PDAF: laser/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	Digital and optical 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 on both cameras
Camera extras	4K@30fps 1080p@30/60fps	4K@30fps 1080p@30fps
📸 Front camera
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Front camera (secondary)	8 megapixels	50 megapixels
Front camera resolution	3264x2448 pixels	8160x6120 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.5 (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
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Stereo sound with dual speakers OZO audio
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Removable) HBA4633AA
Battery capacity	2650 mAh	4600 mAh
Charger, watts	10W (5V/2A) Wired charging	33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	Not supported	15W Qi2 wireless charging 5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
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: Sapphire Black, Moonlight White, Shimmer Gold	• Colors: Twisted Black, Blue Topaz, Neon Pink
☢️ Radiation rate
	Asus Zenfone 3 (5.2 ZE520KL 64GB)	HMD Skyline (256GB/8GB)
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