Xiaomi Amazfit Stratos vs Vivo S1 (V1831T)
Side by side comparison between Xiaomi Amazfit Stratos vs Vivo S1 devices, differences, pros, cons and full specifications. What's the better?
,
1.34"
TFT
TFT
320x300
N/A
512MB
RAM
RAM
Dual-core
290
mAh
mAh
(Non removable)
vs
6.33"
IPS
IPS
1080x2340
12
MP
MP
25mp
6GB
RAM
RAM
Octa-core
3940
mAh
mAh
(Non removable)
What's the better device? Vivo S1 (V1831T)
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!
6 Advantages 
26 Advantages | 9 Common items in both devices |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| Gyroscope |
| LiPo: li-ion polymer (Non removable) |
| +2 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📱 Model features | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Change model | ||
| Model | Amazfit Stratos | Vivo S1 (V1831T) |
| Other model names | Xiaomi Huami Amazfit 2 Stratos A1619, Amazfit Pace 2 | BBK vivo S1 (China) V1831 |
| Country or region available |  (Global, International) |  China |
| Brand | Xiaomi | Vivo |
| Release date | 12/12/2017 | 4/1/2019 |
| Depth | 15 millimeters (0.59 inches) | 8.54 millimeters (0.34 inches) |
| Size (width x height) | 25.4 x 51 millimeters (1 x 2.01 in) | 75.93 x 161.97 millimeters (2.99 x 6.38 in) |
| Weight | 68 grams (2.38 ounces) | 190 grams (6.65 ounces) |
| Build, materials | Plastic body with ceramic and stainless steel, glass front | feature not registered |
| Protection against water and others | 5 ATM: 50 meters waterproof | Not supported |
📲 Display | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 1.34" inches | 6.33" inches |
| Screen-to-body ratio | ~44.6% (screen-to-body ratio) | ~80% (screen-to-body ratio) |
| Display resolution | 320x300 pixels | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 327 PPI | 407 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| System version | Proprietary OS | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Chipset | 32bit: Ingenic M200S | 64bit: MediaTek MT6771WT Helio P70 (12nm) |
| CPU | Dual-core, 2 processors: 1x 1.2GHz XBurst-HP (Single-core) 1x 300MHz XBurst-LP (Single-core) | Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A73 (Quad-core) 4x 2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | 3D GPU | ARM Mali-G72 MP3 900Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| RAM memory | 512MB LPDDR2 | 6GB LPDDR4X |
| Internal storage | 4GB (2GB available) eMCP | 128GB (108GB available) eMMC 5.1 |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | Not supported | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | feature not registered | 300/50 Mbps |
| Network technology | feature not registered | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100 |
| Primary 4G network | Not supported | LTE Cat7 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | 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 |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Back camera (main camera) | Not supported | (triple camera) 12 megapixels 8MP ultrawide f/2.2 5MP depth f/2.4 |
| Main camera resolution | Not supported | 4000x3000 pixels |
| Video recording (primary) | Not supported | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 13mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Front camera (secondary) | Not supported | 25 megapixels |
| Front camera resolution | Not supported | 5760x4320 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (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 | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | feature not registered | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 290 mAh | 3940 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 30 hours (1.3 days) | feature not registered |
| Standby | 120 hours (5 days) | feature not registered |
➕ Other features | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| Call control | Not supported | Voice dialing, Voice recorder |
| Messaging | SMS (T9), E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | Not supported | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 22mm standard watch band • 2.5D glass display • Dock charger included • Always-on display • Languages: Chinese, English, Spanish • Mi Fit app compatible • Compatible with Android 4.4, iOS 9 and above | • Colors: Ice black, Blue, Pink • 19.5:9 display ratio • Always On Display • FunTouch OS 9 • Motorized pop-up front camera |
☢️ Radiation rate | ||
| Amazfit Stratos | Vivo S1 (V1831T) | |
| 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 |