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Amazon Fire Phone (32GB) vs LG K40 (X420HM)

Side by side comparison between Amazon Fire Phone vs LG K40 phones, differences, pros, cons and full specifications. What's the better?

,
Compare LG K40 X Amazon Fire Phone (32GB) 08Points
4.7"
IPS

720x1280

13
MP

2.1mp

2GB
RAM

Quad-core

2400
mAh

(Non removable)

vs
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
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!

Fire Phone (32GB)} 8 Advantages Amazon Fire Phone (32GB) vs K40 (X420HM)} 18 Advantages LG K40 (X420HM)
+32GB (25GB available)25%
More internal storage for applications and files
vs32GB (20GB available)
+312 PPI11%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs282 PPI
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
2.2GHz 32bit Quad-corevs+2GHz 64bit Octa-core (12nm)25%
More powerful processor, you can open your applications faster
eMMC 4.5vs+eMMC 5.1Advantage
Fastest write and read storage.
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
160 grams (5.6 ounces)vs+150 grams (5.25 ounces)7%
Lighter
8.9 millimeters (0.35 inches)vs+8.3 millimeters (0.33 inches)7%
Thinner
720x1280 pixelsvs+720x1440 pixels13%
Higher resolution screen
4.7"vs+5.7"21%
Larger screen
(back) 13MPvs+(back) 16MP25%
Higher resolution main camera
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 2.1MPvs+(front) 8MP3 times
Higher resolution secondary camera to take pictures and selfies
Android 4.2.2 Jelly Beanvs+Android 8.1 OreoAdvantage
Android 8.1 Oreo is newer and safer
(4G LTE) 100 Mbpsvs+(4G LTE-A) 300 Mbps2 times
Faster for surfing the internet and download files
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
2400 mAhvs+3000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
3.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

25 Common items in both devices
2GB LPDDR3
Plastic body, glass front/back / Plastic body, glass front
TFT IPS LCD
16 million
Only digital zoom
Autofocus / PDAF: phase detection autofocus
f/2.0 (aperture)
+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

๐Ÿ“ฑ Model features

Amazon Fire Phone (32GB)LG K40 (X420HM)
ModelFire Phone (32GB)K40 (X420HM)
Other model namesAT&T Amazon Firephone SD4930URLG K40 LMX420HM, LM-X420HM, LG-LMX420HM
Country or region availableUSA
USA
(Latin America)Colombia
(Latin America), Colombia
BrandAmazonLG
Release date7/25/2014, Announced: 6/18/20143/31/2019
Depth8.9 millimeters (0.35 inches)8.3 millimeters (0.33 inches)
Size (width x height)66.5 x 139.2 millimeters (2.62 x 5.48 in)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight160 grams (5.6 ounces)150 grams (5.25 ounces)
Build, materialsPlastic body, glass front/back
Back: Gorilla Glass 3
Plastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

๐Ÿ“ฒ Display

Amazon Fire Phone (32GB)LG K40 (X420HM)
Display typeTFT IPS LCDTFT IPS LCD
Screen size4.7" inches5.7" inches
Screen-to-body ratio~65.8% (screen-to-body ratio)~76.2% (screen-to-body ratio)
Display resolution720x1280 pixels (16:9)720x1440 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)312 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Refresh rate60Hzfeature not registered
Display featuresNot supportedfeature not registered

๐Ÿค– Operating System

Amazon Fire Phone (32GB)LG K40 (X420HM)
System versionAndroid 4.2.2 Jelly BeanAndroid 8.1 Oreo
Firmware updatefeature not registeredfeature not registered
User InterfaceAmazon Fire OS UI 3.5 / 3.6.5feature not registered

โš™๏ธ Processor

Amazon Fire Phone (32GB)LG K40 (X420HM)
Chipset32bit: Qualcomm Snapdragon 800 MSM8974 (28nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUQuad-core, 1 processor:
4x 2.2GHz Krait 400 (Quad-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 330PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

๐Ÿ’ฝ Memory and storage

Amazon Fire Phone (32GB)LG K40 (X420HM)
RAM memory2GB LPDDR32GB LPDDR3
Internal storage32GB (25GB available)
eMMC 4.5
32GB (20GB available)
eMMC 5.1
External storageNot supportedUntil 1TB microSD, microSDXC
(dedicated slot)

๐Ÿ“ถ Mobile networks

Amazon Fire Phone (32GB)LG K40 (X420HM)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload100/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat3 (1, 2, 3, 4, 5, 7, 8, 17, 20)LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

๐Ÿ“ท Camera

Amazon Fire Phone (32GB)LG K40 (X420HM)
Back camera (main camera)13 megapixels16 megapixels
Main camera resolution4128x3096 pixels4608x3456 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1ยตm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

๐Ÿ“ธ Front camera

Amazon Fire Phone (32GB)LG K40 (X420HM)
Front camera (secondary)2.1 megapixels8 megapixels
Front camera resolution1920x1080 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

๐Ÿ”‰ Sound and multimedia

Amazon Fire Phone (32GB)LG K40 (X420HM)
LoudspeakerStereo sound
Dolby Digital Plus
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+, FLAC

๐Ÿ”Œ Connectivity

Amazon Fire Phone (32GB)LG K40 (X420HM)
USBMicroUSB 2.0MicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.0 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging
NFCSupportedNot supported
Infrared portNot supportedNot supported

๐Ÿงญ Sensors

Amazon Fire Phone (32GB)LG K40 (X420HM)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

๐Ÿ”‹ Battery

Amazon Fire Phone (32GB)LG K40 (X420HM)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity2400 mAh3000 mAh
Charger, watts9W Wired chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy22 hours8 hours
Standby285 hours (11.9 days)100 hours (4.2 days)

โž• Other features

Amazon Fire Phone (32GB)LG K40 (X420HM)
Call controlVoice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneousโ€ข Colors: Black
โ€ข 3D Dynamic Perspective UI (based on 4 front cameras)
โ€ข System wide tilt, auto-scroll, swivel and peek functions
โ€ข Unlimited Cloud Drive photo storage
โ€ข Firefly app
โ€ข Colors: Black, Moroccan Blue, Platinum Gray
โ€ข 18:9 ratio FullVision display
โ€ข LED notification
โ€ข DTS-X Surround sound

โ˜ข๏ธ Radiation rate

Amazon Fire Phone (32GB)LG K40 (X420HM)
SAR 1.6W/kg (USA, Mexico, etc.)1.34W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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