LG K40 (X420HM) vs Amazon Fire HDX 8.9 2014 (WiFi 64GB)
Side by side comparison between LG K40 vs Amazon Fire HDX 8.9 (2014) devices, 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
8.9"
IPS
IPS
2560x1600
8
MP
MP
1.2mp
2GB
RAM
RAM
Quad-core
6000
mAh
mAh
(Non removable)
What's the better device? 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!
18 Advantages 
8 Advantages | 15 Common items in both devices |
| 2GB LPDDR3 |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Full HD (1920x1080) |
| Capacitive |
| +8 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) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Model | K40 (X420HM) | Fire HDX 8.9 2014 (WiFi 64GB) |
| Other model names | LG K40 LMX420HM, LM-X420HM, LG-LMX420HM | Amazon Fire HDX 8.9 WiFi, Amazon Kindle Fire HDX 8.9 2014 |
| Country or region available |   (Latin America), Colombia | feature not registered |
| Brand | LG | Amazon |
| Release date | 3/31/2019 | 10/21/2014 |
| Depth | 8.3 millimeters (0.33 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 71.9 x 153 millimeters (2.83 x 6.02 in) | 158 x 231 millimeters (6.22 x 9.09 in) |
| Weight | 150 grams (5.25 ounces) | 375 grams (13.13 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 K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.7" inches | 8.9" inches |
| Screen-to-body ratio | ~76.2% (screen-to-body ratio) | ~62.9% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels | 2560x1600 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 282 PPI | 339 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| System version | Android 8.1 Oreo | Android 4.4.2 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: Qualcomm Snapdragon 805 APQ8084 |
| 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 2.5GHz Krait 450 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 420 Blaze |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 64GB (53GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | Not supported |
| Maximum Download / Upload | 300/50 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | Not supported |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | Not supported |
| 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 | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Back camera (main camera) | 16 megapixels | 8 megapixels |
| Main camera resolution | 4608x3456 pixels | 3264x2448 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 | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Front camera (secondary) | 8 megapixels | 1.2 megapixels |
| Front camera resolution | 3264x2448 pixels | 1280x960 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | LED | 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 | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| 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, eAAC+, AC3 |
🔌 Connectivity | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB SlimPort |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + A2DP |
| 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) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Gyroscope |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 6000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 8 hours | 14 hours |
| Standby | 100 hours (4.2 days) | feature not registered |
➕ Other features | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| Call control | Voice dialing, Voice recorder | Not supported |
| Messaging | SMS (T9), MMS, E-mail, Push mail | E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | feature not registered |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Wireless external keyboard |
| Miscellaneous | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound | • Colors: Black • Fire OS 4 Sangria UI • Amazon Appstore • Amazon Silk • Dolby Atmos audio • Free cloud storage for all Amazon content • Text-to-Speech english-language content reader |
☢️ Radiation rate | ||
| LG K40 (X420HM) | Amazon Fire HDX 8.9 2014 (WiFi 64GB) | |
| 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 |