Acer Liquid S2 (S520) vs Vivo S1 (V1831A)
Side by side comparison between Acer Liquid S2 vs Vivo S1 phones, differences, pros, cons and full specifications. What's the better?
,
6"
IPS
IPS
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
3300
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 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!
5 Advantages 
20 Advantages | 25 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +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 Clear highlight📱 Model features | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Change model | ||
| Model | Liquid S2 (S520) | Vivo S1 (V1831A) |
| Other model names | Acer Liquid S520, Acer S520, Acer Hamingway | BBK vivo S1 (China) V1831 |
| Country or region available |  (Global, International) |  China |
| Brand | Acer | Vivo |
| Release date | 12/1/2013 | 4/1/2019 |
| Depth | 9 millimeters (0.35 inches) | 8.54 millimeters (0.34 inches) |
| Size (width x height) | 86 x 166 millimeters (3.39 x 6.54 in) | 75.93 x 161.97 millimeters (2.99 x 6.38 in) |
| Weight | 231 grams (8.09 ounces) | 190 grams (6.65 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6" inches | 6.33" inches |
| Screen-to-body ratio | ~69.5% (screen-to-body ratio) | ~80% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 407 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| System version | Android 4.2.2 Jelly Bean | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) | 64bit: MediaTek MT6771WT Helio P70 (12nm) |
| CPU | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) | Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A73 (Quad-core) 4x 2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 | ARM Mali-G72 MP3 900Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| RAM memory | 2GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 16GB (12GB available) | 128GB (108GB available) eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/2100 |
| Primary 4G network | LTE Cat3 800/1800/2600 (Bands 3,7,20) | 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Back camera (main camera) | 13 megapixels | (triple camera) 12 megapixels 8MP ultrawide f/2.2 5MP depth f/2.4 |
| Main camera resolution | 4160x3120 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Quad-LED flash | 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 | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Front camera (secondary) | 2.1 megapixels | 25 megapixels |
| Front camera resolution | 1920x1080 pixels | 5760x4320 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 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 | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 3940 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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: Black, Red • Acer Float UI • DTS sound enhancement | • Colors: Ice black, Blue, Pink • 19.5:9 display ratio • Always On Display • FunTouch OS 9 • Motorized pop-up front camera |
☢️ Radiation rate | ||
| Acer Liquid S2 (S520) | Vivo S1 (V1831A) | |
| 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 |