Vivo S1 (V1907) vs HMD Skyline (256GB/12GB)

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Side by side comparison between Vivo S1 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 Vivo S1 (V1907) 03Points

Specifications Compare Models Pictures

6.38"
AMOLED

1080x2340

16
MP

32mp

4GB
RAM

Octa-core

4500
mAh

(Non removable)

26Points HMD Skyline (256GB/12GB) Compare Vivo S1 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 Vivo S1 (V1907)	vs	26 Advantages HMD Skyline (256GB/12GB)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	P-OLED
+404 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	402 PPI
+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	vs	+2.4GHz 64bit Octa-core (4nm)36% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+12GB LPDDR52 times More RAM memory. Typically more responsive and better for multitasking.
128GB (108GB available)	vs	+256GB (222GB available)106% 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
1080x2340 pixels	vs	+1080x2400 pixels3% Higher resolution screen
6.38"	vs	+6.55"3% Larger screen
(triple camera) 16MP + 8MP + 5MP	vs	+(triple camera) 108MP + 50MP + 13MP5 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
1/2.8" inches	vs	+1/1.67" inches68% The larger sensor camera lets you take photos with better depth.
(front) 32MP	vs	+(front) 50MP56% Higher resolution secondary camera to take pictures and selfies
Android 9.0 Pie	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) 300 Mbps	vs	+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
4500 mAh	vs	+4600 mAh2% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
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.
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
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP54 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

23 Common items in both devices

16 million

LED flash

PDAF: phase detection autofocus

HDR photo on both cameras

4K UHD (3840x2160)

(front) Full HD (1920x1080)

Capacitive

+16 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
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Change model		Choose the model
Model	Vivo S1 (V1907)	Skyline (256GB/12GB)
Other model names	BBK vivo S1 V1907 (Global)	HMD Skyline (12GB RAM) TA-1600
Country or region available	India, Indonesia, (Global, International)	(Global, International)
Brand	Vivo	HMD
Release date	7/16/2019	7/19/2024, Announced: 7/18/2024
Depth	feature not registered	8.9 millimeters (0.35 inches)
Size (width x height)	feature not registered	75.66 x 159.84 millimeters (2.98 x 6.29 in)
Weight	feature not registered	209 grams (7.32 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP54 certified: protection against dust and splashing
📲 Display
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Display type	Super AMOLED	P-OLED
Screen size	6.38" inches	6.55" inches
Screen-to-body ratio	feature not registered	~85.6% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	404 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	feature not registered	144Hz
Display features	feature not registered	1000nits[peak] HDR10
🤖 Operating System
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
System version	Android 9.0 Pie	Android 14
Firmware update	feature not registered	Android 16
User Interface	feature not registered	feature not registered
⚙️ Processor
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Chipset	64bit: MediaTek MT6768 (12nm)	64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm)
CPU	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.7GHz ARM Cortex-A55 (Hexa-core)	Octa-core, 2 processors: 4x 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	feature not registered	Qualcomm Adreno 710 (900MHz)
Performance (benchmark)	feature not registered	AnTuTu: 581402 (v10) Geekbench: 2899 (v6)
💽 Memory and storage
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
RAM memory	4GB LPDDR4X	12GB LPDDR5
Internal storage	128GB (108GB available) eMMC 5.1	256GB (222GB available) UFS 2.2
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Vivo S1 (V1907)	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	300/50 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	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat7 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE	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, 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	Not supported	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Back camera (main camera)	(triple camera) 16 megapixels 8MP ultrawide f/2.213mm 5MP depth f/2.4	(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	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2.8" inches	1/1.67" inches
Pixel size	1.12µm pixel	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
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Front camera (secondary)	32 megapixels	50 megapixels
Front camera resolution	6528x4896 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
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Loudspeaker	Supported	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
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
USB	MicroUSB 2.0, 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	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, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable) HBA4633AA
Battery capacity	4500 mAh	4600 mAh
Charger, watts	Wired charging	33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	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
	Vivo S1 (V1907)	HMD Skyline (256GB/12GB)
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: Skyline Blue, Cosmic Green • 19.5:9 display ratio • Always On Display • FunTouch OS 9	• Colors: Twisted Black, Blue Topaz, Neon Pink
☢️ Radiation rate
	Vivo S1 (V1907)	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