LG K40S (X430FMW) vs Acer Liquid S1 Duo (S510)
Side by side comparison between LG K40S vs Acer Liquid S1 phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
IPS
IPS
720x1520
13
MP
MP
13mp
2GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
5.7"
TFT
TFT
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2400
mAh
mAh
(Removable)
What's the better phone? LG K40S (X430FMW)
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!
22 Advantages 
3 Advantages | 19 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| f/2.0 (aperture) |
| Full HD (1920x1080) |
| +12 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 | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Model | K40S (X430FMW) | Liquid S1 Duo (S510) |
| Other model names | LG K40s LM-X430FMW, LMX430FMW (2GB RAM) Dual-sim | Acer Liquid S1 S510, Acer Liquid S1 Dual-Sim HM.HDTAA.001 |
| Country or region available |    Colombia, Costa Rica, Panama |    (Global, International), Canada, USA |
| Brand | LG | Acer |
| Release date | 9/1/2019 | 8/1/2013 |
| Depth | 8.6 millimeters (0.34 inches) | 9.6 millimeters (0.38 inches) |
| Size (width x height) | 73.9 x 156.3 millimeters (2.91 x 6.15 in) | 83 x 163 millimeters (3.27 x 6.42 in) |
| Weight | 186 grams (6.51 ounces) | 195 grams (6.83 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.1" inches | 5.7" inches |
| Screen-to-body ratio | ~80.4% (screen-to-body ratio) | ~66.2% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 276 PPI | 258 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| System version | Android 9.0 Pie | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: MediaTek MT6589T Turbo (28nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | PowerVR SXG544 MP2 357Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| RAM memory | 2GB LPDDR3 | 1GB LPDDR2 |
| Internal storage | 32GB (18GB available) eMMC 5.1 | 8GB (5.59GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 300/50 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 850/900/1700/1900/2100 | UMTS 900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (Bands 38, 40) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.21.12μm117° | 8 megapixels |
| Main camera resolution | 4128x3096 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm 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 | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Front camera (secondary) | 13 megapixels | 2 megapixels |
| Front camera resolution | 4128x3096 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| 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 | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, AAC |
🔌 Connectivity | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| 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 | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Sensors | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) BAT-E10 |
| Battery capacity | 3500 mAh | 2400 mAh |
| Charger, watts | 6W (5V/1.2A) Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 16 hours | 11 hours |
| Standby | 432 hours (18 days) | 450 hours (18.8 days) |
➕ Other features | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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: Aurora Black, Moroccan Blue • DTS:X 3D sound surround • Eco Playback | • Colors: White, Black • DTS sound • Acer Float UI • WiFi hotspot |
☢️ Radiation rate | ||
| LG K40S (X430FMW) | Acer Liquid S1 Duo (S510) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.44W/kg (head), 0.41W/kg (body) |