Sharp Aquos S3 mini vs LG K40 (X420HM)
Side by side comparison between Sharp Aquos S3 mini vs LG K40 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IGZO
IGZO
1080x2040
16
MP
MP
20.2mp
6GB
RAM
RAM
Octa-core
3020
mAh
mAh
(Non removable)
vs
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Sharp Aquos S3 mini
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!
17 Advantages 
9 Advantages | 26 Common items in both devices |
| 16 million |
| (back) 16MP |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| f/2.0 (aperture) |
| +19 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 | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Change model | ||
| Model | Aquos S3 mini | K40 (X420HM) |
| Other model names | Sharp Aquos S3 mini 6GB RAM + 64GB FS8018 | LG K40 LMX420HM, LM-X420HM, LG-LMX420HM |
| Country or region available |      China, South Korea, Hong Kong, Taiwan, Vietnam |   (Latin America), Colombia |
| Brand | Sharp | LG |
| Release date | 3/1/2018 | 3/31/2019 |
| Depth | 7.8 millimeters (0.31 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 73 x 142.7 millimeters (2.87 x 5.62 in) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 140 grams (4.9 ounces) | 150 grams (5.25 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Display type | TFT-IGZO | TFT IPS LCD |
| Screen size | 5.5" inches | 5.7" inches |
| Screen-to-body ratio | ~77.5% (screen-to-body ratio) | ~76.2% (screen-to-body ratio) |
| Display resolution | 1080x2040 pixels | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 420 PPI | 282 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| System version | Android 7.1.1 Nougat | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Chipset | 64bit: Qualcomm Snapdragon 630 SDM630 (14nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 508 650Mhz | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 64GB (51GB available) | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 300/50 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, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1,3,5,7,8,20) TD-LTE (Bands 34,38,39,40,41) VoLTE | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) |
| 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, LTE-A |
| 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 | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Back camera (main camera) | 16 megapixels | 16 megapixels |
| Main camera resolution | 4608x3456 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | PDAF: phase detection 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 | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Front camera (secondary) | 20.2 megapixels | 8 megapixels |
| Front camera resolution | 5184x3888 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 2µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| 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 | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (front-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3020 mAh | 3000 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 | 8 hours |
| Standby | feature not registered | 100 hours (4.2 days) |
➕ Other features | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| 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: Black, Blue, Gold • 2.5D glass screen • Quick Charge 3.0 | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | ||
| Sharp Aquos S3 mini | LG K40 (X420HM) | |
| 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 |