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Alcatel Idol 4 (6055K) vs LG Harmony (M257)

Side by side comparison between Alcatel Idol 4 vs LG Harmony phones, differences, pros, cons and full specifications. What's the better?

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Compare LG Harmony X Alcatel Idol 4 (6055K) 13Points
5.2"
IPS

1080x1920

13
MP

8mp

3GB
RAM

Octa-core

2610
mAh

(Non removable)

vs
5.3"
IPS

720x1280

8
MP

5mp

1.5GB
RAM

Quad-core

2800
mAh

(Removable)

What's the better phone? Alcatel Idol 4 (6055K)

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!

Idol 4 (6055K)} 13 Advantages Alcatel Idol 4 (6055K) vs Harmony (M257)} 5 Advantages LG Harmony (M257)
+1.5GHz 64bit Octa-core19%
More powerful processor, you can open your applications faster
vs1.4GHz 64bit Quad-core
+3GB LPDDR3100%
More RAM memory. Typically more responsive and better for multitasking.
vs1.5GB LPDDR3
+16GB (10GB available)11%
More internal storage for applications and files
vs16GB (9GB available)
+135 grams (4.73 ounces)5%
Lighter
vs142 grams (4.97 ounces)
+7.1 millimeters (0.28 inches)13%
Thinner
vs8 millimeters (0.31 inches)
+1080x1920 pixels125%
Higher resolution screen
vs720x1280 pixels
+424 PPI53%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs277 PPI
+(back) 13MP60%
Higher resolution main camera
vs(back) 8MP
+Dual-LED on main camera and LED on front cameraAdvantage
The Dual-LED on main camera and LED on front camera helps in dark places or in low light
vsLED flash
+f/2.0 (aperture)10%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.2 (aperture)
+(front) 8MP63%
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
5.2"vs+5.3"2%
Larger screen
Android 6.0.1 Marshmallowvs+Android 7.0 NougatAdvantage
Android 7.0 Nougat is newer and safer
(4G LTE) 150 Mbpsvs+(4G LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
2610 mAhvs+2800 mAh7%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Li-Ion: lithium-ion (Non removable)vs+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily

24 Common items in both devices
Until 256GB microSD, microSDXC
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus / Autofocus
EIS: Digital stabilization
HDR photo only main camera
+17 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

Alcatel Idol 4 (6055K)LG Harmony (M257)
 
ModelIdol 4 (6055K)Harmony (M257)
Other model namesAlcatel IDOL 4 Dual-Sim 3GB RAM, Alcatel 6055K, OT-6055KCricket LG Harmony, LG K20 Plus, LG-M257, LGM257
Country or region available(Europe)
(Europe)
USA
USA
BrandAlcatelLG
Release date3/1/20162/1/2017
Depth7.1 millimeters (0.28 inches)8 millimeters (0.31 inches)
Size (width x height)72.5 x 147 millimeters (2.85 x 5.79 in)75.29 x 148.7 millimeters (2.96 x 5.85 in)
Weight135 grams (4.73 ounces)142 grams (4.97 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Alcatel Idol 4 (6055K)LG Harmony (M257)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5.2" inches5.3" inches
Screen-to-body ratio~69.9% (screen-to-body ratio)~69.2% (screen-to-body ratio)
Display resolution1080x1920 pixels720x1280 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)424 PPI277 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Alcatel Idol 4 (6055K)LG Harmony (M257)
System versionAndroid 6.0.1 MarshmallowAndroid 7.0 Nougat
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Alcatel Idol 4 (6055K)LG Harmony (M257)
Chipset64bit: Qualcomm Snapdragon 617 MSM8952 (28nm)64bit: Qualcomm Snapdragon 425 MSM8917 (28nm)
CPUOcta-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1.2GHz ARM Cortex-A53 (Quad-core)
Quad-core, 1 processor:
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 405 550MhzQualcomm Adreno 308 500Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Alcatel Idol 4 (6055K)LG Harmony (M257)
RAM memory3GB LPDDR31.5GB LPDDR3
Internal storage16GB (10GB available)
eMMC 5.1
16GB (9GB available)
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Alcatel Idol 4 (6055K)LG Harmony (M257)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 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 850/900/1900/2100UMTS 850/1700/1900
Primary 4G networkLTE Cat4 700/800/900/1800/2100/2600 (Bands 1,3,7,8,20,28)LTE Cat6 700/850/1700/1900 (Bands 2,4,5,12)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported

📷 Camera

Alcatel Idol 4 (6055K)LG Harmony (M257)
Back camera (main camera)13 megapixels8 megapixels
Main camera resolution4128x3096 pixels3264x2448 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED on main camera and LED on front cameraLED flash
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inchesfeature not registered
Pixel size1.12µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital 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 only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Alcatel Idol 4 (6055K)LG Harmony (M257)
Front camera (secondary)8 megapixels5 megapixels
Front camera resolution3264x2448 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashLEDNot supported
Focal aperturefeature not registeredf/2.4 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size1.12µm pixel1.12µm pixel

🔉 Sound and multimedia

Alcatel Idol 4 (6055K)LG Harmony (M257)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviDMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, AAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Alcatel Idol 4 (6055K)LG Harmony (M257)
USBMicroUSB 2.0, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP4.2 + A2DP
WiFi802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Alcatel Idol 4 (6055K)LG Harmony (M257)
SensorsAccelerometer
Ambient light sensor
Compass
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Alcatel Idol 4 (6055K)LG Harmony (M257)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity2610 mAh2800 mAh
Charger, watts18W Wired fast chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy15 hours14 hours
Standby720 hours (30 days)350 hours (14.6 days)

➕ Other features

Alcatel Idol 4 (6055K)LG Harmony (M257)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (iTap), 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
Miscellaneous• Colors: Gold, Dark Gray, Silver, Rose Gold
• USB OTG On-The-Go
• LED notification (white light)
• Oleophobic coating
• Glass back panel
• JBL earphones
• Hi-Fi 3.6W dual-stereo
• Front camera: Wide Angle 84°
• Quick Charge 2.0
• Fast battery charging: 60% in 30min
• Reversible phone
• VR goggles compatible
• Colors: Black
• 2.5D Arc Glass screen
• LG UX 5.0
• Wide-angle 120° front camera
• KnockOn, Knock Code
• VoLTE

☢️ Radiation rate

Alcatel Idol 4 (6055K)LG Harmony (M257)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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