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Asus Zenfone 3 (5.2 ZE520KL 64GB) vs LG Optimus G (E973)

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

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Compare LG Optimus G X Asus Zenfone 3 (5.2 ZE520KL 64GB) 25Points
5.2"
IPS+

1080x1920

16
MP

8mp

4GB
RAM

Octa-core

2650
mAh

(Non removable)

vs
03Points LG Optimus G (E973) Compare Asus Zenfone 3 X
4.7"
IPS+

768x1280

13.2
MP

1.3mp

2GB
RAM

Quad-core

2100
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 (5.2 ZE520KL 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 (5.2 ZE520KL 64GB)} 25 Advantages Asus Zenfone 3 (5.2 ZE520KL 64GB) vs Optimus G (E973)} 3 Advantages LG Optimus G (E973)
+2GHz 64bit Octa-core (14nm)120%
More powerful processor, you can open your applications faster
vs1.5GHz 32bit Quad-core (28nm)
+4GB LPDDR3100%
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR2
+64GB (55GB available)120%
More internal storage for applications and files
vs32GB (25GB available)
+Until 256GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+144 grams (5.04 ounces)1%
Lighter
vs145 grams (5.08 ounces)
+7.7 millimeters (0.3 inches)10%
Thinner
vs8.5 millimeters (0.33 inches)
+1080x1920 pixels111%
Higher resolution screen
vs768x1280 pixels
+424 PPI33%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs318 PPI
+5.2"11%
Larger screen
vs4.7"
+(back) 16MP21%
Higher resolution main camera
vs(back) 13.2MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+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)20%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.4 (aperture)
+(front) 8MP5 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 1.3MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 8.0 OreoAdvantage
Android 8.0 Oreo is newer and safer
vsAndroid 4.1.2 Jelly Bean
+(4G LTE) 150 Mbps50%
Faster for surfing the internet and download files
vs(4G LTE) 100 Mbps
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+2650 mAh26%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2100 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)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
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
vs4.0 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely

22 Common items in both devices
TFT Super IPS+
16 million
Only digital zoom
LDAF/PDAF: laser/phase detection autofocus / Autofocus
4G LTE
Capacitive
Multitouch
+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

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
ModelZenfone 3 (5.2 ZE520KL 64GB)Optimus G (E973)
Other model namesZenfone 3 ZE520KL 4GB/64GB 5.2" Dual-SIMLG-F180S Optimus G for Korean market, LG E973 Optimus G
Country or region available(Europe)(Global, International)Hong KongJapanSingaporeTaiwan
(Europe), (Global, International), Hong Kong, Japan, Singapore, Taiwan
feature not registered
BrandAsusLG
Release date7/12/20169/17/2012
Depth7.7 millimeters (0.3 inches)8.5 millimeters (0.33 inches)
Size (width x height)73.98 x 146.87 millimeters (2.91 x 5.78 in)68.9 x 131.9 millimeters (2.71 x 5.19 in)
Weight144 grams (5.04 ounces)145 grams (5.08 ounces)
Build, materialsAluminum body, glass front, plastic backfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
Display typeTFT Super IPS+TFT Super IPS+
Screen size5.2" inches4.7" inches
Screen-to-body ratio~68.6% (screen-to-body ratio)~69.2% (screen-to-body ratio)
Display resolution1080x1920 pixels (16:9)768x1280 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)424 PPI318 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 2
Refresh rate60Hzfeature not registered
Display features2.5D glassfeature not registered

🤖 Operating System

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
System versionAndroid 6.0.1 MarshmallowAndroid 4.0.4 Ice Cream Sandwich ICS
Firmware updateAndroid 8.0 OreoAndroid 4.1.2 Jelly Bean
User InterfaceZenUI 3.0feature not registered

⚙️ Processor

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
Chipset64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)32bit: Qualcomm Snapdragon S4 Pro (APQ8064) (28nm)
CPUOcta-core, 1 processor:
8x 2GHz ARM Cortex-A53 (Octa-core)
Quad-core, 1 processor:
4x 1.5GHz Krait 300 (Quad-core)
GPU graphical controllerQualcomm Adreno 506 (650MHz)Qualcomm Adreno 320 (400MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
RAM memory4GB LPDDR32GB LPDDR2
Internal storage64GB (55GB available)
eMMC 5.1
32GB (25GB available)
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Not supported

📶 Mobile networks

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
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)
micro-SIM (3FF)
Maximum Download / Upload150/50 Mbps100/50 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:
UMTS 850/900/1900/2100
Taiwan:
UMTS 800/850/900/1900/2100
UMTS 900/2100
Primary 4G networkGlobal:
LTE Cat4 (1, 2, 3, 5, 7, 8, 20)
Taiwan:
LTE Cat6 (1, 2, 3, 5, 7, 8, 18, 19, 26, 28)
TD-LTE (38, 39, 40, 41)
LTE 700/1700
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkGlobal:
UMTS 850/900/1900/2100
Taiwan:
UMTS 800/850/900/1900/2100
Not supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+Not supported

📷 Camera

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
Back camera (main camera)16 megapixels13.2 megapixels
Main camera resolution4608x3456 pixels4192x3144 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/2.0 (aperture)f/2.4 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3.2" inches
Pixel sizefeature not registeredfeature not registered
AutofocusLDAF/PDAF: laser/phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical stabilizationfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo only main camera
Camera extras4K@30fps
1080p@30/60fps
feature not registered

📸 Front camera

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
Front camera (secondary)8 megapixels1.3 megapixels
Front camera resolution3264x2448 pixels1280x1024 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
LoudspeakerMono sound (not stereo)
24-bit/192kHz
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, DivX, XviD, WMV, H.264, H.263
Audio formatsMP3, WAV, eAAC+, FLACMP3, WMA, WAV, eAAC+, FLAC, AC3

🔌 Connectivity

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Micro-B USB MHL
Bluetooth4.2 + A2DP4.0 + 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)
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS
NFCNot supportedSupported
Infrared portNot supportedfeature not registered

🧭 Sensors

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity2650 mAh2100 mAh
Charger, watts10W (5V/2A) Wired chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomyfeature not registered15 hours
Standbyfeature not registered335 hours (14 days)

➕ Other features

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
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, Flash player
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Sapphire Black, Moonlight White, Shimmer Gold• Colors: Black
• LG Optimus UI v3.0
• G2 Touch Hybrid Glass screen
• WiFi direct
• 3G/4G mobile hotspot
• Java framework

☢️ Radiation rate

Asus Zenfone 3 (5.2 ZE520KL 64GB)LG Optimus G (E973)
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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