Xiaomi Redmi 7 (64GB/3GB) vs Acer Liquid S2 (S520)
Side by side comparison between Xiaomi Redmi 7 vs Acer Liquid S2 phones, differences, pros, cons and full specifications. What's the better?
,
6.26"
IPS
IPS
720x1520
12
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
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? Xiaomi Redmi 7 (64GB/3GB)
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!
18 Advantages 
8 Advantages | 20 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| +13 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 | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Model | Redmi 7 (64GB/3GB) | Liquid S2 (S520) |
| Other model names | Xiaomi Redmi 7 (64GB + 3GB RAM), Xiaomi onclite | Acer Liquid S520, Acer S520, Acer Hamingway |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Acer |
| Release date | 3/1/2019 | 12/1/2013 |
| Depth | 8.47 millimeters (0.33 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 75.58 x 158.73 millimeters (2.98 x 6.25 in) | 86 x 166 millimeters (3.39 x 6.54 in) |
| Weight | 180 grams (6.3 ounces) | 231 grams (8.09 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | P2i certified: water repellent nano-coating | Not supported |
📲 Display | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.26" inches | 6" inches |
| Screen-to-body ratio | ~81.5% (screen-to-body ratio) | ~69.5% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 269 PPI | 367 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| System version | Android 9.0 Pie | Android 4.2.2 Jelly Bean |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Chipset | 64bit: Qualcomm Snapdragon 632 SDM632 (14nm) | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz Kryo 250 Gold (Quad-core) 4x 1.8GHz Kryo 250 Silver (Quad-core) | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 506 725Mhz | Qualcomm Adreno 330 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| RAM memory | 3GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 64GB (50GB available) eMMC 5.1 | 16GB (12GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 300/50 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 (China), GSM 850/900/1800/1900 (Global) | GSM 850/900/1800/1900 |
| Primary 3G network | Global version (M1810F6LG, M1810F6LI, M1810F6LH): UMTS 850/900/1700/1900/2100 China version (M1810F6LE): CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 900/2100 |
| Primary 4G network | LTE Cat6 VoLTE Global version (M1810F6LG, M1810F6LI, M1810F6LH): LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) China version (M1810F6LE): LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Back camera (main camera) | (dual camera) 12 megapixels 2MP depth | 13 megapixels |
| Main camera resolution | 4000x3000 pixels | 4160x3120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Quad-LED flash |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.25µm 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 | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Front camera (secondary) | 8 megapixels | 2.1 megapixels |
| Front camera resolution | 3264x2448 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 7 (64GB/3GB) | 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, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 3300 mAh |
| Charger, watts | 10W (5V/2A) 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 | feature not registered |
➕ Other features | ||
| Redmi 7 (64GB/3GB) | Acer Liquid S2 (S520) | |
| 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: Lunar Red, Eclipse Black, Comet Blue • 19:9 display ratio • 450nit display brightness • MIUI 9 | • Colors: Black, Red • Acer Float UI • DTS sound enhancement |
☢️ Radiation rate | ||
| Redmi 7 (64GB/3GB) | 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 |