Samsung Galaxy S4 (SGH-i337 16GB) vs LG K40 (X420HM)
Side by side comparison between Samsung Galaxy S4 vs LG K40 phones, differences, pros, cons and full specifications. What's the better?
,
5"
AMOLED
AMOLED
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
2600
mAh
mAh
(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? LG K40 (X420HM)
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!
19 Common items in both devices |
2GB LPDDR3 |
Plastic body, glass front |
16 million |
Only digital zoom |
Autofocus / PDAF: phase detection autofocus |
EIS: Digital stabilization |
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 | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Model | Galaxy S4 (SGH-i337 16GB) | K40 (X420HM) |
Other model names | AT&T Galaxy S4 i337 (4G LTE) | LG K40 LMX420HM, LM-X420HM, LG-LMX420HM |
Country or region available | USA | (Latin America), Colombia |
Brand | Samsung | LG |
Release date | 4/27/2013, Announced: 3/15/2013 | 3/31/2019 |
Depth | 7.9 millimeters (0.31 inches) | 8.3 millimeters (0.33 inches) |
Size (width x height) | 69.8 x 136.6 millimeters (2.75 x 5.38 in) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
Weight | 130 grams (4.55 ounces) | 150 grams (5.25 ounces) |
Build, materials | Plastic body, glass front | 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 | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Display type | Super AMOLED | TFT IPS LCD |
Screen size | 5" inches | 5.7" inches |
Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~76.2% (screen-to-body ratio) |
Display resolution | 1080x1920 pixels (16:9) | 720x1440 pixels |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
Pixel density (dot pitch) | 441 PPI | 282 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 3 | Not supported |
Refresh rate | 60Hz | feature not registered |
Display features | Not supported | feature not registered |
🤖 Operating System | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
System version | Android 4.2.2 Jelly Bean | Android 8.1 Oreo |
Firmware update | Android 5.0.1 Lollipop | feature not registered |
User Interface | TouchWiz UI | feature not registered |
⚙️ Processor | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Chipset | 32bit: Qualcomm Snapdragon 600 (APQ8064AB) (28nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
CPU | Quad-core, 1 processor: 4x 1.9GHz Krait 300 (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 320 (450MHz) | PowerVR GE8320 (650MHz) |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
Internal storage | 16GB (12GB available) eMMC 4.5 | 32GB (20GB available) eMMC 5.1 |
External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Dual-SIM | Not supported | Not supported |
SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 100/50 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 850/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat3 (1, 2, 4, 5, 7, 17) | 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, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
Secondary 2G network | Not supported | Not supported |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | Not supported | Not supported |
📷 Camera | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Back camera (main camera) | 13 megapixels | 16 megapixels |
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/2.2 (aperture) | f/2.0 (aperture) |
Focal length | 31mm lens | feature not registered |
Sensor size | 1/3.1" inches | 1/3" inches |
Pixel size | 1.14µm pixel | 1µm 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/video only main camera | HDR photo on both cameras |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Front camera (secondary) | 2.1 megapixels | 8 megapixels |
Front camera resolution | 1920x1080 pixels | 3264x2448 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | LED |
Focal aperture | f/2.4 (aperture) | f/2.0 (aperture) |
Focal length | 31mm lens | feature not registered |
Sensor size | feature not registered | feature not registered |
Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Loudspeaker | Mono sound (not stereo) | 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, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
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 | Micro-B USB MHL | Not supported |
Bluetooth | 4.0 + A2DP | 5.0 + 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 |
NFC | Supported | Not supported |
Infrared port | Supported | Not supported |
🧭 Sensors | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 2600 mAh | 3000 mAh |
Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
Inductive / wireless charging | Not supported | feature not registered |
Talk time autonomy | 17 hours | 8 hours |
Standby | 350 hours (14.6 days) | 100 hours (4.2 days) |
➕ Other features | ||
Galaxy S4 (SGH-i337 16GB) | LG K40 (X420HM) | |
Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
Messaging | SMS (Swype), 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 Mist • Dual Shot camera • mDNIe • S-Voice • Group Play • Smart Stay eye tracking • Dropbox (50GB) • Java framework | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | ||
Galaxy S4 (SGH-i337 16GB) | 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 |