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Hyundai E551 vs LG K4 (K121)

Side by side comparison between Hyundai E551 vs LG K4 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K4 X Hyundai E551 13Points
5.5"
IPS

720x1280

8
MP

5mp

1GB
RAM

Quad-core

4000
mAh

(Removable)

vs
4.5"
IPS

480x854

5
MP

2mp

1GB
RAM

Quad-core

1940
mAh

(Removable)

What's the better phone? Hyundai E551

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!

E551} 13 Advantages Hyundai E551 vs K4 (K121)} 7 Advantages LG K4 (K121)
+1.3GHz 32bit Quad-core13%
More powerful processor, you can open your applications faster
vs1.1GHz 32bit Quad-core
+16GB (10GB available)158%
More internal storage for applications and files
vs8GB (3.88GB available)
+720x1280 pixels125%
Higher resolution screen
vs480x854 pixels
+267 PPI22%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs218 PPI
+5.5"22%
Larger screen
vs4.5"
+(dual camera) 8MP + 0.3MP65%
Higher resolution main camera
vs(back) 5MP
+HDR photo only main cameraAdvantage
The HDR technology produced photos with more detail in dark areas
vsNot supported
+(front) 5MP156%
Higher resolution secondary camera to take pictures and selfies
vs(front) 2MP
+Android 7.0 NougatAdvantage
Android 7.0 Nougat is newer and safer
vsAndroid 5.1.1 Lollipop
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensorAdvantage
Sensors help you use the device
vsNot supported
+4000 mAh106%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs1940 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
1GB LPDDR2vs+1GB LPDDR3Advantage
This RAM type is better and more efficient.
10.1 millimeters (0.4 inches)vs+8.9 millimeters (0.35 inches)13%
Thinner
(front) VGA (640x480)vs+(front) HD (1280x720)2 times
More image quality for recording videos with the secondary camera
3G+ HSPA+vs+4G LTEAdvantage
The 4G LTE network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G LTE) 150 Mbps6 times
Faster for surfing the internet and download files
4.0 + A2DPvs+4.1 + A2DPAdvantage
Bluetooth 4.1 + A2DP is newer and faster
HTML, XHTMLvs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet

22 Common items in both devices
Until 32GB microSD, microSDHC
TFT IPS LCD
16 million
LED flash
Only digital zoom
Autofocus
EIS: Digital stabilization
+15 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

Hyundai E551LG K4 (K121)
Change model 
ModelHyundai E551LG K4 (K121)
Other model namesHyundai e551 DS, Hyundai Mobile(Bell, Rogers, Telus) LG K4 K121, LGK121
Country or region available(Latin America)ChinaSouth Korea
(Latin America), China, South Korea
Canada
Canada
BrandHyundaiLG
Release date10/1/20162/1/2016
Depth10.1 millimeters (0.4 inches)8.9 millimeters (0.35 inches)
Size (width x height)78 x 155 millimeters (3.07 x 6.1 in)66.7 x 131.9 millimeters (2.63 x 5.19 in)
Weightfeature not registered113 grams (3.96 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Hyundai E551LG K4 (K121)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5.5" inches4.5" inches
Screen-to-body ratio~69% (screen-to-body ratio)~63.4% (screen-to-body ratio)
Display resolution720x1280 pixels480x854 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)267 PPI218 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Hyundai E551LG K4 (K121)
System versionAndroid 7.0 NougatAndroid 5.1.1 Lollipop
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Hyundai E551LG K4 (K121)
Chipset32bit: MediaTek MT6580 (28nm)32bit: Qualcomm Snapdragon 210 MSM8909 (28nm)
CPUQuad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
Quad-core, 1 processor:
4x 1.1GHz ARM Cortex-A7 (Quad-core)
GPU graphical controllerARM Mali-400 MP1 500MhzQualcomm Adreno 304
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Hyundai E551LG K4 (K121)
RAM memory1GB LPDDR21GB LPDDR3
Internal storage16GB (10GB available)8GB (3.88GB available)
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 32GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

Hyundai E551LG K4 (K121)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
micro-SIM (3FF)
Maximum Download / Upload21/5.76 Mbps150/50 Mbps
Network technology2G, 3G2G, 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 850/1900/2100UMTS 850/1700/1900
Primary 4G networkNot supportedLTE Cat4 (Bands 2, 4, 7, 17)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported

📷 Camera

Hyundai E551LG K4 (K121)
Back camera (main camera)(dual camera)
8 megapixels
0.3MP
5 megapixels
Main camera resolution3264x2448 pixels2592x1944 pixels
Video recording (primary)HD (1280x720) 30 fpsHD (1280x720) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/2.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusAutofocusAutofocus
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 cameraNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Hyundai E551LG K4 (K121)
Front camera (secondary)5 megapixels2 megapixels
Front camera resolution2560x1920 pixels1600x1200 pixels
Video recording (secondary)VGA (640x480)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Hyundai E551LG K4 (K121)
LoudspeakerSupportedSupported
Active noise cancellationNot supportedNot supported
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263, XviD
Audio formatsMP3, WAV, OGG, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Hyundai E551LG K4 (K121)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP4.1 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Hyundai E551LG K4 (K121)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor
Proximity sensor
Accelerometer
Ambient light sensor
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Hyundai E551LG K4 (K121)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
BL-49JH
Battery capacity4000 mAh1940 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registered9 hours
Standbyfeature not registered500 hours (20.8 days)

➕ Other features

Hyundai E551LG K4 (K121)
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, XHTMLHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, Silver, Gold
• WiFi hotspot
• Colors: White, Blue
• Knock Code

☢️ Radiation rate

Hyundai E551LG K4 (K121)
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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