LG K40 (X420HM) vs Xiaomi Redmi 7A (12MP 32GB)
Side by side comparison between LG K40 vs Xiaomi Redmi 7A phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
5.45"
IPS
IPS
720x1440
12
MP
MP
5mp
2GB
RAM
RAM
Octa-core
4000
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!
25 Common items in both devices |
2GB LPDDR3 |
32GB (20GB available) / 32GB (21GB available) |
eMMC 5.1 |
Plastic body, glass front |
TFT IPS LCD |
16 million |
720x1440 pixels |
+18 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 K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Model | K40 (X420HM) | Redmi 7A (12MP 32GB) |
Other model names | LG K40 LMX420HM, LM-X420HM, LG-LMX420HM | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU |
Country or region available | (Latin America), Colombia | (Europe), (Global, International), India |
Brand | LG | Xiaomi |
Release date | 3/31/2019 | 7/1/2019 |
Depth | 8.3 millimeters (0.33 inches) | 9.55 millimeters (0.38 inches) |
Size (width x height) | 71.9 x 153 millimeters (2.83 x 6.02 in) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) |
Weight | 150 grams (5.25 ounces) | 165 grams (5.78 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. | Water repellent nano-coating (don't immerse) |
📲 Display | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Display type | TFT IPS LCD | TFT IPS LCD |
Screen size | 5.7" inches | 5.45" inches |
Screen-to-body ratio | ~76.2% (screen-to-body ratio) | ~74.4% (screen-to-body ratio) |
Display resolution | 720x1440 pixels | 720x1440 pixels (18:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 282 PPI | 295 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Not supported |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | Not supported |
🤖 Operating System | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
System version | Android 8.1 Oreo | Android 9.0 Pie |
Firmware update | feature not registered | Android 10 |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) |
CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) |
GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 505 650Mhz |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
Internal storage | 32GB (20GB available) eMMC 5.1 | 32GB (21GB available) eMMC 5.1 |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 300/50 Mbps | 150/50 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 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) | LTE Cat4 VoLTE M1903C3EG, MZB7813EU (Global version): LTE (1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (38, 40) M1903C3EI, MZB7989IN, MZB7800IN, MZB8008IN, M1903C3EH (India, APAC version): LTE (1, 3, 5, 8) TD-LTE (40, 41) |
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+, TD-LTE, LTE |
Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
Secondary 4G network | Not supported | Not supported |
Secondary data network | Not supported | GPRS, EDGE, UMTS, HSUPA, HSPA+ |
📷 Camera | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Back camera (main camera) | 16 megapixels | 12 megapixels |
Main camera resolution | 4608x3456 pixels | 4000x3000 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash on both cameras | LED flash |
Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | 1/3" inches | 1/2.9" inches |
Pixel size | 1µm pixel | 1.25µm 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 | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Front camera (secondary) | 8 megapixels | 5 megapixels |
Front camera resolution | 3264x2448 pixels | 2560x1920 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | LED | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | 1/5" inches |
Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | 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 | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
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 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
NFC | Not supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 3000 mAh | 4000 mAh |
Charger, watts | Wired charging | 5W (5V/1A) Wired charging |
Inductive / wireless charging | feature not registered | Not supported |
Talk time autonomy | 8 hours | feature not registered |
Standby | 100 hours (4.2 days) | 456 hours (19 days) |
➕ Other features | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
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, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound | • Colors: Black, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* |
☢️ Radiation rate | ||
LG K40 (X420HM) | Redmi 7A (12MP 32GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1W/kg (head), 1.12W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.56W/kg (head), 1.17W/kg (body) |