Amazon Fire HDX 8.9 2014 (WiFi 64GB) vs LG K40 (X420EM)
Side by side comparison between Amazon Fire HDX 8.9 (2014) vs LG K40 devices, differences, pros, cons and full specifications. What's the better?
,
8.9"
IPS
IPS
2560x1600
8
MP
MP
1.2mp
2GB
RAM
RAM
Quad-core
6000
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 device? LG K40 (X420EM)
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!
7 Advantages 
18 Advantages | 16 Common items in both devices |
| 2GB LPDDR3 |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Full HD (1920x1080) |
| Capacitive |
| +9 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 | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Model | Fire HDX 8.9 2014 (WiFi 64GB) | K40 (X420EM) |
| Other model names | Amazon Fire HDX 8.9 WiFi, Amazon Kindle Fire HDX 8.9 2014 | LG K40 LMX420EM NFC Single-sim, LM-X420EM, LG-LMX420EM |
| Country or region available | feature not registered |  (Europe) |
| Brand | Amazon | LG |
| Release date | 10/21/2014 | 3/31/2019 |
| Depth | 7.8 millimeters (0.31 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 158 x 231 millimeters (6.22 x 9.09 in) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 375 grams (13.13 ounces) | 145 grams (5.08 ounces) |
| Build, materials | feature not registered | 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 | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 8.9" inches | 5.7" inches |
| Screen-to-body ratio | ~62.9% (screen-to-body ratio) | ~76.2% (screen-to-body ratio) |
| Display resolution | 2560x1600 pixels | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 339 PPI | 282 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 | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| System version | Android 4.4.2 KitKat | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Chipset | 32bit: Qualcomm Snapdragon 805 APQ8084 | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Quad-core, 1 processor: 4x 2.5GHz Krait 450 (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 420 Blaze | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 64GB (53GB available) | 32GB (20GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | feature not registered | 300/50 Mbps |
| Network technology | feature not registered | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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 | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Back camera (main camera) | 8 megapixels | 16 megapixels |
| Main camera resolution | 3264x2448 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 | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Front camera (secondary) | 1.2 megapixels | 8 megapixels |
| Front camera resolution | 1280x960 pixels | 3264x2448 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| 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 | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, AC3 | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB SlimPort | Not supported |
| Bluetooth | 4.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Sensors | Accelerometer Ambient light sensor Gyroscope | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 6000 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 14 hours | 8 hours |
| Standby | feature not registered | 100 hours (4.2 days) |
➕ Other features | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| Call control | Not supported | Voice dialing, Voice recorder |
| Messaging | E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Wireless external keyboard | Not supported |
| Miscellaneous | • 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 | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | ||
| Amazon Fire HDX 8.9 2014 (WiFi 64GB) | LG K40 (X420EM) | |
| 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 |