Acer Liquid S2 (S520) vs Xiaomi Mi 4 (4G 16GB)
Side by side comparison between Acer Liquid S2 vs Xiaomi Mi 4 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
5"
IPS
IPS
1080x1920
13
MP
MP
8mp
3GB
RAM
RAM
Quad-core
3080
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi 4 (4G 16GB)
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 
12 Advantages | 31 Common items in both devices |
| 16GB (12GB available) / 16GB (13GB available) |
| 16 million |
| 1080x1920 pixels |
| (back) 13MP |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| +24 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) | Xiaomi Mi 4 (4G 16GB) | |
| Change model | ||
| Model | Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) |
| Other model names | Acer Liquid S520, Acer S520, Acer Hamingway | Xiaomi Mi4 LTE Internacional, Xiaomi Mi4 4G, Xiaomi Leo |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Acer | Xiaomi |
| Release date | 12/1/2013 | 12/1/2014 |
| Depth | 9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 86 x 166 millimeters (3.39 x 6.54 in) | 68.5 x 139.2 millimeters (2.7 x 5.48 in) |
| Weight | 231 grams (8.09 ounces) | 149 grams (5.22 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Display type | TFT IPS LCD | TFT LED-Backlit IPS LCD |
| Screen size | 6" inches | 5" inches |
| Screen-to-body ratio | ~69.5% (screen-to-body ratio) | ~72.3% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 441 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) | Xiaomi Mi 4 (4G 16GB) | |
| System version | Android 4.2.2 Jelly Bean | Android 4.4.3 KitKat |
| Firmware update | feature not registered | Android 6.0.1 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| RAM memory | 2GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 16GB (12GB available) | 16GB (13GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 Mbps | 150/50 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat3 800/1800/2600 (Bands 3,7,20) | LTE Cat4 800/850/900/1800/2100/2600 (Bands 1,3,5,7,8,20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Back camera (main camera) | 13 megapixels | 13 megapixels |
| Main camera resolution | 4160x3120 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Quad-LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | 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 | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Front camera (secondary) | 2.1 megapixels | 8 megapixels |
| Front camera resolution | 1920x1080 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/1.8 (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) | Xiaomi Mi 4 (4G 16GB) | |
| 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, DivX, XviD, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| Bluetooth | 4.0 + A2DP | 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) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 3080 mAh |
| Charger, watts | Wired 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 | 113.3 hours (4.7 days) |
➕ Other features | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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: Black, White • USB OTG On-The-Go 1.3 • MI UI 5.0 • Quick Charge 2.0 • WiFi display Java framework |
☢️ Radiation rate | ||
| Acer Liquid S2 (S520) | Xiaomi Mi 4 (4G 16GB) | |
| 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 |