Acer Liquid S2 (S520) vs Xiaomi Redmi K30 5G (128GB/8GB)
Side by side comparison between Acer Liquid S2 vs Xiaomi Redmi K30 5G 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
6.67"
IPS
IPS
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi K30 5G (128GB/8GB)
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!
2 Advantages 
21 Advantages | 23 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) |
| +16 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) | Redmi K30 5G (128GB/8GB) | |
| Change model | ||
| Model | Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) |
| Other model names | Acer Liquid S520, Acer S520, Acer Hamingway | Xiaomi Redmi K30 5G (128GB + 8GB RAM), M2001G7AE, M2001G7AC |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Acer | Xiaomi |
| Release date | 12/1/2013 | 1/1/2020 |
| Depth | 9 millimeters (0.35 inches) | 8.79 millimeters (0.35 inches) |
| Size (width x height) | 86 x 166 millimeters (3.39 x 6.54 in) | 76.6 x 165.3 millimeters (3.02 x 6.51 in) |
| Weight | 231 grams (8.09 ounces) | 208 grams (7.28 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6" inches | 6.67" inches |
| Screen-to-body ratio | ~69.5% (screen-to-body ratio) | ~84.8% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 5 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | HDR10 |
🤖 Operating System | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| System version | Android 4.2.2 Jelly Bean | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) | 64bit: Qualcomm Snapdragon 765G (SM7250-AB) (7nm) |
| CPU | Quad-core, 1 processor: 4x 2.2GHz Krait 400 (Quad-core) | Octa-core, 3 processors: 1x 2.4GHz Kryo 475 Prime (Single-core) 1x 2.2GHz Kryo 475 Gold (Single-core) 6x 1.8GHz Kryo 475 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 330 | Qualcomm Adreno 620 (625MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 16GB (12GB available) | 128GB (107GB available) UFS 2.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 2000/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 Cat15/13 (Bands 1, 3, 5, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA Sub6 (Bands 41, 78) |
| 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, SA/NSA |
| 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) | Redmi K30 5G (128GB/8GB) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4.0"1.12µm 5MP macro f/2.41/5.0"1.75µm 2MP depth f/2.4 |
| Main camera resolution | 4160x3120 pixels | 10120x6328 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/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/1.72" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| 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) | Redmi K30 5G (128GB/8GB) | |
| Front camera (secondary) | 2.1 megapixels | (dual front camera) 20 megapixels 2MP depth f/2.41/5"1.75µm |
| Front camera resolution | 1920x1080 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | feature not registered | 1/3.4" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| 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) | Redmi K30 5G (128GB/8GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 5.1 + 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, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 4500 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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: Blue, Red, Purple, White • MIUI 11, 12 • Game Turbo 2.0 • 24-bit/192kHz audio |
☢️ Radiation rate | ||
| Acer Liquid S2 (S520) | Redmi K30 5G (128GB/8GB) | |
| 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 |