Motorola Moto X4 (XT1900-01) vs Acer Liquid S2 (S520)
Side by side comparison between Motorola Moto X4 vs Acer Liquid S2 phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
1080x1920
12
MP
MP
16mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6"
IPS
IPS
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
3300
mAh
mAh
(Non removable)
What's the better phone? Motorola Moto X4 (XT1900-01)
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!
19 Advantages 
4 Advantages | 28 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| 1080x1920 pixels |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| 4K UHD (3840x2160) |
| +21 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 | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Model | Moto X4 (XT1900-01) | Liquid S2 (S520) |
| Other model names | Lenovo Moto X4 XT1900 32GB, Moto X4 Single-Chip (2017) | Acer Liquid S520, Acer S520, Acer Hamingway |
| Country or region available |   Canada, USA |  (Global, International) |
| Brand | Motorola | Acer |
| Release date | 10/1/2017 | 12/1/2013 |
| Depth | 8 millimeters (0.31 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 73.4 x 148.35 millimeters (2.89 x 5.84 in) | 86 x 166 millimeters (3.39 x 6.54 in) |
| Weight | 163 grams (5.71 ounces) | 231 grams (8.09 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.2" inches | 6" inches |
| Screen-to-body ratio | ~68.5% (screen-to-body ratio) | ~69.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 367 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| System version | Android 7.1.1 Nougat | Android 4.2.2 Jelly Bean |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Chipset | 64bit: Qualcomm Snapdragon 630 SDM630 (14nm) | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 508 650Mhz | Qualcomm Adreno 330 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| RAM memory | 3GB LPDDR4 | 2GB LPDDR3 |
| Internal storage | 32GB (17GB available) eMMC | 16GB (12GB available) |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 600/75 Mbps | 100/50 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 EV-DO RevA UMTS 850/900/1700/1900/2100 | UMTS 900/2100 |
| Primary 4G network | LTE Cat11 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66) TD-LTE (Bands 38, 41) | LTE Cat3 800/1800/2600 (Bands 3,7,20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Back camera (main camera) | (dual camera) 12 megapixels 8MP ultrawide f/2.213mm | 13 megapixels |
| Main camera resolution | 4000x3000 pixels | 4160x3120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED on main camera and LED on front camera | Quad-LED flash |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | 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 | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Front camera (secondary) | 16 megapixels | 2.1 megapixels |
| Front camera resolution | 4608x3456 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| 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 | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (front-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3300 mAh |
| Charger, watts | 15W Wired fast charging | Wired 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 | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Super Black, Sterling Blue, Silver • Android One • 3D glass back panel • TurboPower charging: 6h in 15min | • Colors: Black, Red • Acer Float UI • DTS sound enhancement |
☢️ Radiation rate | ||
| Moto X4 (XT1900-01) | Acer Liquid S2 (S520) | |
| 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 |