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Vivo S1 (V1831A) vs Vivo S1 (V1831T)

Side by side comparison between Vivo S1 (V1831A) vs Vivo S1 (V1831T) phones, differences, pros, cons and full specifications. What's the better?

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Compare Vivo S1 XVivo S1 (V1831A)00Point
Vivo S1 (V1831A)
6.33"
IPS

1080x2340

12
MP

25mp

6GB
RAM

64bit Octa

3940
mAh

(Non removable)

vs
00PointVivo S1 (V1831T)Compare Vivo S1 X
Vivo S1 (V1831T)
6.33"
IPS

1080x2340

12
MP

25mp

6GB
RAM

64bit Octa

3940
mAh

(Non removable)

What's the better phone?

The comparison did not identify relevant items because the devices are similar. Check the table below to identify other different features (network frequencies, region and others).


49 Common items in both devices
2.1GHz 64bit Octa-Core
6GB LPDDR4X
128GB (108GB available)
eMMC 5.1
Until 256GB microSD, microSDXC
190 grams (6.65 ounces)
8.54 millimeters (0.34 inches)
+42 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight

📱 Model features

Vivo S1 (V1831A)Vivo S1 (V1831T)
ModelS1 (V1831A)S1 (V1831T)
Other model namesBBK vivo S1 (China) V1831BBK vivo S1 (China) V1831
Country or region availableChina
China
China
China
BrandVivoVivo
Release date4/1/20194/1/2019
Depth8.54 millimeters (0.34 inches)8.54 millimeters (0.34 inches)
Size (width x height)75.93 x 161.97 millimeters (2.99 x 6.38 in)75.93 x 161.97 millimeters (2.99 x 6.38 in)
Weight190 grams (6.65 ounces)190 grams (6.65 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

🤖 Operating System

Vivo S1 (V1831A)Vivo S1 (V1831T)
System versionAndroid 9.0 PieAndroid 9.0 Pie
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Vivo S1 (V1831A)Vivo S1 (V1831T)
Chipset64bit - MediaTek MT6771WT Helio P70 (12nm)64bit - MediaTek MT6771WT Helio P70 (12nm)
CPUOcta-Core, 2 processors:
2.1GHz Quad-Core ARM Cortex-A73
2GHz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2.1GHz Quad-Core ARM Cortex-A73
2GHz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G72 MP3 900MhzARM Mali-G72 MP3 900Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Vivo S1 (V1831A)Vivo S1 (V1831T)
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage128GB (108GB available)
eMMC 5.1
128GB (108GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📲 Display

Vivo S1 (V1831A)Vivo S1 (V1831T)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.33" inches6.33" inches
Screen-to-body ratio~80% (screen-to-body ratio)~80% (screen-to-body ratio)
Display resolution1080x2340 pixels1080x2340 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)407 PPI407 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

📶 Mobile networks

Vivo S1 (V1831A)Vivo S1 (V1831T)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload300/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/2100
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/2100
Primary 4G networkLTE Cat7 (Bands 1, 3, 5, 8)
TD-LTE (Bands 34, 38, 39, 40, 41)
VoLTE
LTE Cat7 (Bands 1, 3, 5, 8)
TD-LTE (Bands 34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Vivo S1 (V1831A)Vivo S1 (V1831T)
Back camera (main camera)(triple camera)
12 megapixels
8MP ultrawidef/2.2
5MP depthf/2.4
(triple camera)
12 megapixels
8MP ultrawidef/2.2
5MP depthf/2.4
Main camera resolution4000x3000 pixels4000x3000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length13mm lens13mm lens
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Vivo S1 (V1831A)Vivo S1 (V1831T)
Front camera (secondary)25 megapixels25 megapixels
Front camera resolution5760x4320 pixels5760x4320 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Vivo S1 (V1831A)Vivo S1 (V1831T)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Vivo S1 (V1831A)Vivo S1 (V1831T)
USBMicroUSB 2.0, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Vivo S1 (V1831A)Vivo S1 (V1831T)
SensorsAccelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Vivo S1 (V1831A)Vivo S1 (V1831T)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3940 mAh3940 mAh
Charger, watts18W Fast battery charging18W Fast battery charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Vivo S1 (V1831A)Vivo S1 (V1831T)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous- Colors: Ice black, Blue, Pink
- 19.5:9 display ratio
- Always On Display
- FunTouch OS 9
- Motorized pop-up front camera
- Colors: Ice black, Blue, Pink
- 19.5:9 display ratio
- Always On Display
- FunTouch OS 9
- Motorized pop-up front camera

☢️ Radiation rate

Vivo S1 (V1831A)Vivo S1 (V1831T)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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