Vivo S1 (V1831A) vs Samsung Galaxy A55 (SM-A556E/DS 128GB)

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Side by side comparison between Vivo S1 vs Samsung Galaxy A55 phones, differences, pros, cons and full specifications. What's the better?

8/6/2024 8:02 PM, updated: 8/7/2024 8:48 AM

Compare Samsung Galaxy A55 X Vivo S1 (V1831A) 05Points

Specifications Compare Models Pictures

6.33"
IPS

1080x2340

12
MP

25mp

6GB
RAM

Octa-core

3940
mAh

(Non removable)

24Points Samsung Galaxy A55 (SM-A556E/DS 128GB) Compare Vivo S1 X

Specifications Compare Models Pictures

6.6"
AMOLED

1080x2340

50
MP

32mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A55 (SM-A556E/DS 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!

5 Advantages Vivo S1 (V1831A)	vs	24 Advantages Samsung Galaxy A55 (SM-A556E/DS 128GB)
+190 grams (6.65 ounces)12% Lighter	vs	213 grams (7.46 ounces)
+407 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	390 PPI
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+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
2.1GHz 64bit Octa-core	vs	+2.75GHz 64bit Octa-core (4nm)21% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR533% More RAM memory. Typically more responsive and better for multitasking.
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
8.54 millimeters (0.34 inches)	vs	+8.2 millimeters (0.32 inches)4% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
6.33"	vs	+6.6"4% Larger screen
(triple camera) 12MP + 8MP + 5MP	vs	+(triple camera) 50MP + 12MP + 5MP168% Higher resolution main camera
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) 25MP	vs	+(front) 32MP28% Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 9.0 Pie	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE-A	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G Sub6) 3000 Mbps9 times Faster for surfing the internet and download files
3940 mAh	vs	+5000 mAh27% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+25W39% 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.
2 slots (Dual-SIM) (dedicated slot)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic) (hybrid slot/shares the same microSD 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 [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LE	vs	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + 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 VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP67 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

25 Common items in both devices

128GB (108GB available) / 128GB (109GB available)

16 million

1080x2340 pixels

LED flash

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

+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
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Change model		Choose the model
Model	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Other model names	BBK vivo S1 (China) V1831	Galaxy A55 5G SM-A556E/Dual-SIM
Country or region available	China	(Latin America), Brazil
Brand	Vivo	Samsung
Release date	4/1/2019	3/15/2024, Announced: 3/11/2024
Depth	8.54 millimeters (0.34 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	75.93 x 161.97 millimeters (2.99 x 6.38 in)	77.4 x 161.1 millimeters (3.05 x 6.34 in)
Weight	190 grams (6.65 ounces)	213 grams (7.46 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back Back: Corning Gorilla Glass
Protection against water and others	Not supported	IP67 certified: dust proof and waterproof over 1 meter and 30min
📲 Display
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.33" inches	6.6" inches
Screen-to-body ratio	~80% (screen-to-body ratio)	~85.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	407 PPI	390 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	HDR10+ Always-On Display
🤖 Operating System
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
System version	Android 9.0 Pie	Android 14
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	One UI 6.1
⚙️ Processor
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Chipset	64bit: MediaTek MT6771WT Helio P70 (12nm)	64bit: Samsung Exynos 1480 (4nm)
CPU	Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A73 (Quad-core) 4x 2GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.75GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	ARM Mali-G72 MP3 900Mhz	Samsung Xclipse 530
Performance (benchmark)	feature not registered	AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6)
💽 Memory and storage
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
RAM memory	6GB LPDDR4X	8GB LPDDR5
Internal storage	128GB (108GB available) eMMC 5.1	128GB (109GB available) UFS 3.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
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	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	300/50 Mbps	3000/1024 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, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100	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 Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78)
Primary data network	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Back camera (main camera)	(triple camera) 12 megapixels 8MP ultrawide f/2.2 5MP depth f/2.4	(triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4
Main camera resolution	4000x3000 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	13mm (lens)	feature not registered
Sensor size	feature not registered	1/1.56" inches
Pixel size	feature not registered	1µm 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	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 on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Front camera (secondary)	25 megapixels	32 megapixels
Front camera resolution	5760x4320 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.74" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Loudspeaker	Supported	Stereo sound
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, 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 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
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	5.3 + 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 [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3940 mAh	5000 mAh
Charger, watts	18W Wired fast charging	25W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
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: Ice black, Blue, Pink • 19.5:9 display ratio • Always On Display • FunTouch OS 9 • Motorized pop-up front camera	• Colors: Navy, Iceblue, Lilac, Lemon
☢️ Radiation rate
	Vivo S1 (V1831A)	Galaxy A55 (SM-A556E/DS 128GB)
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