LG K40S (X430BMW) vs Samsung Galaxy J8 (SM-J810M/DS 64GB)
Side by side comparison between LG K40S vs Samsung Galaxy J8 phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
IPS
IPS
720x1520
13
MP
MP
13mp
3GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
6"
AMOLED
AMOLED
720x1480
16
MP
MP
16mp
4GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy J8 (SM-J810M/DS 64GB)
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!
8 Advantages 
11 Advantages | 27 Common items in both devices |
| eMMC 5.1 |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| +20 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 (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Model | K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) |
| Other model names | LG K40s LM-X430BMW, LMX430BMW (3GB RAM) | Galaxy J8 J810M/Dual-SIM (4GB RAM) |
| Country or region available |  Brazil |  (Latin America), Brazil |
| Brand | LG | Samsung |
| Release date | 9/1/2019 | 8/1/2018, Announced: 5/31/2018 |
| Depth | 8.6 millimeters (0.34 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 73.9 x 156.3 millimeters (2.91 x 6.15 in) | 75.7 x 159.2 millimeters (2.98 x 6.27 in) |
| Weight | 186 grams (6.51 ounces) | 177 grams (6.2 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| 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 (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.1" inches | 6" inches |
| Screen-to-body ratio | ~80.4% (screen-to-body ratio) | ~75.8% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 720x1480 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 276 PPI | 274 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| System version | Android 9.0 Pie | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | feature not registered | One UI 2.0 |
⚙️ Processor | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 450 (SDM450) (14nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 1 processor: 8x 1.8GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 506 (600MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| RAM memory | 3GB LPDDR3 | 4GB LPDDR3 |
| Internal storage | 32GB (18GB available) eMMC 5.1 | 64GB (51GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| 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) 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 28) | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 17, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 17, 28) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
📷 Camera | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.21.12μm117° | (dual camera) 16 megapixels 5MP depth f/1.9 |
| Main camera resolution | 4128x3096 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/1.7 (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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Front camera (secondary) | 13 megapixels | 16 megapixels |
| Front camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| USB | MicroUSB 2.0, 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 | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Sensors | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Face unlock Fingerprint sensor (rear-mounted) Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3500 mAh | 3500 mAh |
| Charger, watts | 6W (5V/1.2A) Wired charging | 7.75W (5V/1.55A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 16 hours | 23 hours |
| Standby | 432 hours (18 days) | feature not registered |
➕ Other features | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| 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: Aurora Black, Moroccan Blue • DTS:X 3D sound surround • Eco Playback | • Colors: Black, Gold, Blue, Lavender, Purple |
☢️ Radiation rate | ||
| LG K40S (X430BMW) | Galaxy J8 (SM-J810M/DS 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.37W/kg (head), 1.34W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |