Sonim XP8 vs HMD Skyline (256GB/12GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Sonim XP8 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 Sonim XP8 03Points

Specifications Compare Models Pictures

5"
IPS

1080x1920

12
MP

8mp

4GB
RAM

Octa-core

4900
mAh

(Removable)

30Points HMD Skyline (256GB/12GB) Compare Sonim XP8 X

Specifications Compare Models Pictures

6.55"
POLED

1080x2400

108
MP

50mp

12GB
RAM

Octa-core

4600
mAh

(Removable)

What's the better phone? HMD Skyline (256GB/12GB)

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!

3 Advantages Sonim XP8	vs	30 Advantages HMD Skyline (256GB/12GB)
+441 PPI10% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	402 PPI
+4900 mAh7% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4600 mAh
+IP68/IP69K certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	IP54 certified
2.2GHz 64bit Octa-core (14nm)	vs	+2.4GHz 64bit Octa-core (4nm)20% More powerful processor, you can open your applications faster
4GB LPDDR4	vs	+12GB LPDDR52 times More RAM memory. Typically more responsive and better for multitasking.
64GB (45GB available)	vs	+256GB (222GB available)4 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.2Advantage Fastest write and read storage.
335 grams (11.73 ounces)	vs	+209 grams (7.32 ounces)60% Lighter
18 millimeters (0.71 inches)	vs	+8.9 millimeters (0.35 inches)102% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
TFT IPS LCD	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"	vs	+6.55"31% Larger screen
(back) 12MP	vs	+(triple camera) 108MP + 50MP + 13MP13 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
(front) 8MP	vs	+(front) 50MP5 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
Android 10	vs	+Android 16Advantage Android 16 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 600 Mbps	vs	+(5G SA/NSA) 2000 Mbps2 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
18W	vs	+33W83% 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) (dedicated 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 with dual speakers	vs	+Stereo sound with dual speakersAdvantage Better sound quality for listening to music or clearer hands-free calls
proprietary audio output	vs	+Type-C reversible connectorAdvantage Best output for headset
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
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster

25 Common items in both devices

Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC

16 million

LED flash

PDAF: phase detection autofocus

HDR photo on both cameras

(front) Full HD (1920x1080)

Capacitive

+18 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
	Sonim XP8	HMD Skyline (256GB/12GB)
Change model		Choose the model
Model	Sonim XP8	Skyline (256GB/12GB)
Other model names	Sonim XP8 (XP8800), AT&T/Verizon	HMD Skyline (12GB RAM) TA-1600
Country or region available	(Global, International), Canada, USA	(Global, International)
Brand	Sonim	HMD
Release date	5/1/2018, Announced: 4/1/2018	7/19/2024, Announced: 7/18/2024
Depth	18 millimeters (0.71 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	79.5 x 152 millimeters (3.13 x 5.98 in)	75.66 x 159.84 millimeters (2.98 x 6.29 in)
Weight	335 grams (11.73 ounces)	209 grams (7.32 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	IP68/IP69K certified: water-resistant up to 1.5 meters for 30min, dust-resistant, plus high-pressure and steam-washable. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	IP54 certified: protection against dust and splashing
📲 Display
	Sonim XP8	HMD Skyline (256GB/12GB)
Display type	TFT IPS LCD	P-OLED
Screen size	5" inches	6.55" inches
Screen-to-body ratio	~57% (screen-to-body ratio)	~85.6% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	441 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	144Hz
Display features	Not supported	1000nits[peak] HDR10
🤖 Operating System
	Sonim XP8	HMD Skyline (256GB/12GB)
System version	Android 7.0 Nougat	Android 14
Firmware update	Android 10	Android 16
User Interface	feature not registered	feature not registered
⚙️ Processor
	Sonim XP8	HMD Skyline (256GB/12GB)
Chipset	64bit: Qualcomm Snapdragon 630 (SDM630) (14nm)	64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-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 508 (650-700Mhz)	Qualcomm Adreno 710 (900MHz)
Performance (benchmark)	feature not registered	AnTuTu: 581402 (v10) Geekbench: 2899 (v6)
💽 Memory and storage
	Sonim XP8	HMD Skyline (256GB/12GB)
RAM memory	4GB LPDDR4	12GB LPDDR5
Internal storage	64GB (45GB available) eMMC 5.1	256GB (222GB available) UFS 2.2
External storage	Until 512GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Sonim XP8	HMD Skyline (256GB/12GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	600/150 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	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66) TD-LTE (38, 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66) TD-LTE (38, 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
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Sonim XP8	HMD Skyline (256GB/12GB)
Back camera (main camera)	12 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	4000x3000 pixels	12000x9000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	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	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital 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	feature not registered	4K@30fps 1080p@30fps
📸 Front camera
	Sonim XP8	HMD Skyline (256GB/12GB)
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	feature not registered	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
	Sonim XP8	HMD Skyline (256GB/12GB)
Loudspeaker	Mono sound with dual speakers	Stereo sound with dual speakers OZO audio
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Sonim XP8	HMD Skyline (256GB/12GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	proprietary audio output	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + 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/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Sonim XP8	HMD Skyline (256GB/12GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Sonim XP8	HMD Skyline (256GB/12GB)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Removable) HBA4633AA
Battery capacity	4900 mAh	4600 mAh
Charger, watts	18W Wired fast charging Quick Charge 4	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	30 hours (1.3 days)	feature not registered
Standby	720 hours (30 days)	feature not registered
➕ Other features
	Sonim XP8	HMD Skyline (256GB/12GB)
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: Black	• Colors: Twisted Black, Blue Topaz, Neon Pink
☢️ Radiation rate
	Sonim XP8	HMD Skyline (256GB/12GB)
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