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Asus Zenfone 3 Ultra (ZU680KL 64GB) vs LG Class (F620L)

Side by side comparison between Asus Zenfone 3 Ultra vs LG Class phones, differences, pros, cons and full specifications. What's the better?

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Compare LG Class X Asus Zenfone 3 Ultra (ZU680KL 64GB) 24Points
6.8"
IPS+

1080x1920

23
MP

8mp

4GB
RAM

Octa-core

4600
mAh

(Non removable)

vs
5"
IPS

720x1280

13
MP

8mp

2GB
RAM

Quad-core

2050
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 Ultra (ZU680KL 64GB)

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!

Zenfone 3 Ultra (ZU680KL 64GB)} 24 Advantages Asus Zenfone 3 Ultra (ZU680KL 64GB) vs Class (F620L)} 3 Advantages LG Class (F620L)
+1.8GHz 64bit Octa-core65%
More powerful processor, you can open your applications faster
vs1.2GHz 64bit Quad-core (28nm)
+4GB LPDDR4100%
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+64GB (55GB available)5 times
More internal storage for applications and files
vs16GB (10GB available)
+6.8 millimeters (0.27 inches)9%
Thinner
vs7.4 millimeters (0.29 inches)
+1080x1920 pixels125%
Higher resolution screen
vs720x1280 pixels
+324 PPI10%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs294 PPI
+6.8"36%
Larger screen
vs5"
+(back) 23MP79%
Higher resolution main camera
vs(back) 13MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+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)
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+Android 8.0 OreoAdvantage
Android 8.0 Oreo is newer and safer
vsAndroid 6.0 Marshmallow
+(4G LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensorAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+4600 mAh124%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2050 mAh
+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)
+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
vsNot supported
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 a/b/g/n [wifi4]
+4.2 + A2DPAdvantage
Bluetooth 4.2 + A2DP is newer and faster
vs4.1 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
233 grams (8.16 ounces)vs+150 grams (5.25 ounces)55%
Lighter
Not supportedvs+Digital TVAdvantage
Watch your favorite TV shows anywhere
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

23 Common items in both devices
Until 256GB microSD, microSDXC / Until 256GB microSD, microSDHC
TFT Super IPS+ / TFT IPS LCD
16 million
Only digital zoom
LDAF/PDAF: laser/phase detection autofocus / Autofocus
(front) 8MP
(front) Full HD (1920x1080)
+16 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

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
ModelZenfone 3 Ultra (ZU680KL 64GB)Class (F620L)
Other model namesAsus Zenfone 3 Ultra 4GB/64GB ZU680KL Dual-Sim, Asus MercuryLG U+ LG Class, LG Zero F620L, LG-F620L, LGF620L
Country or region available(Global, International)
(Global, International)
South Korea
South Korea
BrandAsusLG
Release date8/1/20169/30/2015
Depth6.8 millimeters (0.27 inches)7.4 millimeters (0.29 inches)
Size (width x height)93.9 x 186.4 millimeters (3.7 x 7.34 in)71.8 x 142 millimeters (2.83 x 5.59 in)
Weight233 grams (8.16 ounces)150 grams (5.25 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
Display typeTFT Super IPS+TFT IPS LCD
Screen size6.8" inches5" inches
Screen-to-body ratio~72.8% (screen-to-body ratio)~67.6% (screen-to-body ratio)
Display resolution1080x1920 pixels720x1280 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)324 PPI294 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 4Gorilla Glass 3
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
System versionAndroid 6.0.1 MarshmallowAndroid 5.1.1 Lollipop
Firmware updateAndroid 8.0 OreoAndroid 6.0 Marshmallow
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
Chipset64bit: Qualcomm Snapdragon 652 MSM8976 (28nm)64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm)
CPUOcta-core, 2 processors:
4x 1.8GHz ARM Cortex-A72 (Quad-core)
4x 1.4GHz ARM Cortex-A53 (Quad-core)
Quad-core, 1 processor:
4x 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 510 600MhzQualcomm Adreno 306 (450MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
RAM memory4GB LPDDR42GB LPDDR3
Internal storage64GB (55GB available)16GB (10GB available)
eMMC 4.5
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 256GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Not supported
SIM card2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps150/50 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 networkGlobal version:
UMTS 800/850/900/1900/2100
China version:
CDMA2000, TD-SCDMA 1900/2000
UMTS 800/850/900/1900/2100
UMTS 850/1900/2100
Primary 4G networkLTE Cat6
Global version:
LTE (Bands 1,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,40,41)
China version:
LTE (Bands 1,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,39,40,41)
LTE Cat4 700/850/900/1800/2100/2600 (Bands 1,3,5,7,8,17)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, 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

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
Back camera (main camera)23 megapixels13 megapixels
Main camera resolution5520x4140 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 24 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/2.6" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered
AutofocusLDAF/PDAF: laser/phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
Front camera (secondary)8 megapixels8 megapixels
Front camera resolution3264x2448 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or moreNot supported
RadioFM (RDS)FM (RDS)
TVNot supportedDigital TV
Video formatsMP4, H.264, H.263MP4, H.264, H.263, XviD
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
USBUSB 2.0 Type-C reversible connectorMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C SlimPort®Not supported
Bluetooth4.2 + A2DP4.1 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS
NFCNot supportedNot supported
Infrared portSupportedNot supported

🧭 Sensors

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity4600 mAh2050 mAh
Charger, watts18W (9V/2A) Wired fast chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy34 hours (1.4 days)10 hours
Standbyfeature not registered340 hours (14.2 days)

➕ Other features

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
Call controlVoice dialing, Voice 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
Miscellaneous• Colors: Titanium Gray, Glacier Silver, Rose Gold
• USB OTG On-The-Go
• Asus ZenUI 3.0
• Sony IMX318 sensor camera
• DTS headphone
• Hi-Res audio 192kHz/24bit
• Quick Charge 3.0
• Fast charging battery: 60% in 45min
• Miracast
• Colors: Gold, Silver, Blue, Black
• 2.5D curved glass screen
• Body metal
• KnockCode, KnockOn
• T-DMB TV

☢️ Radiation rate

Asus Zenfone 3 Ultra (ZU680KL 64GB)LG Class (F620L)
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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