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Vivo S1 (V1831A) vs ZTE Axon M (Z999)

Side by side comparison between Vivo S1 vs ZTE Axon M phones, differences, pros, cons and full specifications. What's the better?

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Compare ZTE Axon M X Vivo S1 (V1831A) 16Points
Vivo S1 (V1831A)
Specifications Compare Models Pictures
6.33"
IPS

1080x2340

12
MP

25mp

6GB
RAM

Octa-core

3940
mAh

(Non removable)

vs
05Points ZTE Axon M (Z999) Compare Vivo S1 X
ZTE Axon M (Z999)
Specifications Compare Models Pictures
5.2"
IPS

1080x1920

20
MP
4GB
RAM

Quad-core

3180
mAh

(Non removable)

What's the better phone? Vivo S1 (V1831A)

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!

S1 (V1831A)} 16 Advantages Vivo S1 (V1831A) vs Axon M (Z999)} 5 Advantages ZTE Axon M (Z999)
+2.1GHz 64bit Octa-core41%
More powerful processor, you can open your applications faster		vs2.15GHz 64bit Quad-core
+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.		vs4GB LPDDR4
+128GB (108GB available)140%
More internal storage for applications and files		vs64GB (45GB available)
+190 grams (6.65 ounces)21%
Lighter		vs230 grams (8.05 ounces)
+8.54 millimeters (0.34 inches)43%
Thinner		vs12.2 millimeters (0.48 inches)
+1080x2340 pixels22%
Higher resolution screen		vs1080x1920 pixels
+6.33"22%
Larger screen		vs5.2"
+(triple camera) 12MP + 8MP + 5MP25%
Higher resolution main camera		vs(back) 20MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas		vsHDR photo only main camera
+(front) 25MPAdvantage
A front-camera is best for taking selfies		vsNot supported
+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer		vsAndroid 7.1.2 Nougat
+Face unlock 2DAdvantage
Sensors help you use the device		vsNot supported
+3940 mAh24%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use		vs3180 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.		vs1 slot (Single-SIM)
(dedicated slot)
+FMAdvantage
The radio lets you listen to your songs and sports in general		vsNot supported
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster		vs4.2 + A2DP
407 PPIvs+424 PPI4%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
29 Common items in both devices
Until 256GB microSD, microSDXC
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
f/1.8 (aperture)
+22 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 Clear highlight

πŸ“± Model features

Vivo S1 (V1831A)ZTE Axon M (Z999)
 
ModelVivo S1 (V1831A)Axon M (Z999)
Other model namesBBK vivo S1 (China) V1831AT&T ZTE Axon M foldable, ZTE Z999, δΈ­ε…΄ε€©ζœΊAxon M
Country or region availableChina
China		USA
USA
BrandVivoZTE
Release date4/1/201911/1/2017
Depth8.54 millimeters (0.34 inches)12.2 millimeters (0.48 inches)
Size (width x height)75.93 x 161.97 millimeters (2.99 x 6.38 in)71.6 x 150.9 millimeters (2.82 x 5.94 in)
Weight190 grams (6.65 ounces)230 grams (8.05 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

πŸ“² Display

Vivo S1 (V1831A)ZTE Axon M (Z999)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.33" inches5.2" inches
Screen-to-body ratio~80% (screen-to-body ratio)~69% (screen-to-body ratio)
Display resolution1080x2340 pixels1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)407 PPI424 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

πŸ€– Operating System

Vivo S1 (V1831A)ZTE Axon M (Z999)
System versionAndroid 9.0 PieAndroid 7.1.2 Nougat
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

βš™οΈ Processor

Vivo S1 (V1831A)ZTE Axon M (Z999)
Chipset64bit: MediaTek MT6771WT Helio P70 (12nm)64bit: Qualcomm Snapdragon 821 MSM8996AB Pro (14nm)
CPUOcta-core, 2 processors:
4x 2.1GHz ARM Cortex-A73 (Quad-core)
4x 2GHz ARM Cortex-A53 (Quad-core)		Quad-core, 2 processors:
2x 2.15GHz Kryo (Dual-core)
2x 1.6GHz Kryo (Dual-core)
GPU graphical controllerARM Mali-G72 MP3 900MhzQualcomm Adreno 530 624Mhz
Performance (benchmark)feature not registeredfeature not registered

πŸ’½ Memory and storage

Vivo S1 (V1831A)ZTE Axon M (Z999)
RAM memory6GB LPDDR4X4GB LPDDR4
Internal storage128GB (108GB available)
eMMC 5.1		64GB (45GB available)
External storageUntil 256GB microSD, microSDXC
(dedicated slot)		Until 256GB microSD, microSDXC
(dedicated slot)

πŸ“Ά Mobile networks

Vivo S1 (V1831A)ZTE Axon M (Z999)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)		Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)		1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Dual-Band 850/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900GSM 850/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/2100		UMTS 850/1700/1900
Primary 4G networkLTE Cat7 (Bands 1, 3, 5, 8)
TD-LTE (Bands 34, 38, 39, 40, 41)
VoLTE		LTE Cat12 (Bands 2, 4, 5, 12, 29, 30, 66)
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, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported

πŸ“· Camera

Vivo S1 (V1831A)ZTE Axon M (Z999)
Back camera (main camera)(triple camera)
12 megapixels
8MP ultrawide f/2.2
5MP depth f/2.4		20 megapixels
Main camera resolution4000x3000 pixels5472x3648 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length13mm (lens)feature not registered
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered1Β΅m pixel
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 only main camera
Camera extrasfeature not registeredfeature not registered

πŸ“Έ Front camera

Vivo S1 (V1831A)ZTE Axon M (Z999)
Front camera (secondary)25 megapixelsNot supported
Front camera resolution5760x4320 pixelsNot supported
Video recording (secondary)Full HD (1920x1080)Not supported
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

πŸ”‰ Sound and multimedia

Vivo S1 (V1831A)ZTE Axon M (Z999)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, OGG, eAAC+, FLAC

πŸ”Œ Connectivity

Vivo S1 (V1831A)ZTE Axon M (Z999)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot		802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Vivo S1 (V1831A)ZTE Axon M (Z999)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor		Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

πŸ”‹ Battery

Vivo S1 (V1831A)ZTE Axon M (Z999)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity3940 mAh3180 mAh
Charger, watts18W Wired fast charging18W Wired fast charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomyfeature not registered28.5 hours (1.2 days)
Standbyfeature not registered290 hours (12.1 days)

βž• Other features

Vivo S1 (V1831A)ZTE Axon M (Z999)
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
Miscellaneousβ€’ Colors: Ice black, Blue, Pink
β€’ 19.5:9 display ratio
β€’ Always On Display
β€’ FunTouch OS 9
β€’ Motorized pop-up front camera		β€’ Colors: Carbon Black
β€’ 2.5D glass screen
β€’ Additional 5.2" IPS screen (Dual screen)
β€’ Quick Charge 3.0 (47% in 30min)
β€’ Dolby Atmos sound
β€’ 32-bit/384kHz audio
β€’ Sony IMX350 sensor in both cameras
β€’ Slow motion 720p@240fps

☒️ Radiation rate

Vivo S1 (V1831A)ZTE Axon M (Z999)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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