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LG Optimus U (US670) vs Asus Zenfone 6 (ZS630KL 128GB)

Side by side comparison between LG Optimus U vs Asus Zenfone 6 phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone 6 X LG Optimus U (US670) 02Points
3.2"
TFT

320x480

3.1
MP
512MB
RAM

Single-core

1500
mAh

(Removable)

vs
29Points Asus Zenfone 6 (ZS630KL 128GB) Compare LG Optimus U X
6.4"
IPS

1080x2340

48
MP

48mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus Zenfone 6 (ZS630KL 128GB)

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!

Optimus U (US670)} 2 Advantages LG Optimus U (US670) vs Zenfone 6 (ZS630KL 128GB)} 29 Advantages Asus Zenfone 6 (ZS630KL 128GB)
+130 grams (4.55 ounces)46%
Lighter
vs190 grams (6.65 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
600MHz 32bit Single-corevs+2.84GHz 64bit Octa-core (7nm)7 times
More powerful processor, you can open your applications faster
512MBvs+6GB LPDDR4X11 times
More RAM memory. Typically more responsive and better for multitasking.
512MB (140MB available)vs+128GB (109GB available)796 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
13.2 millimeters (0.52 inches)vs+9.2 millimeters (0.36 inches)43%
Thinner
TFT LCDvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
320x480 pixelsvs+1080x2340 pixels15 times
Higher resolution screen
180 PPIvs+403 PPI124%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.2"vs+6.4"100%
Larger screen
(back) 3.1MPvs+(dual camera) 48MP + 13MP18 times
Higher resolution main camera
Not supportedvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Not supportedvs+(dual front camera) 48MP + 13MPAdvantage
A front-camera is best for taking selfies
VGA (640x480)vs+4K UHD (3840x2160)26 times
More image quality for recording videos with the primary camera
Android 2.2.2 Froyovs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
3G CDMA2000 EV-DO Rev Avs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G CDMA2000 EV-DO Rev A) 0.153 Mbpsvs+(4G LTE-A) 1200 Mbps7842 times
Faster for surfing the internet and download files
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
1500 mAhvs+5000 mAh2 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
802.11 b/g [wifi3]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTMLvs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
Not supportedvs+Gorilla Glass 6Advantage
Protection against scratches on the screen lets you carry your phone with your keys

11 Common items in both devices
16 million
Only digital zoom
Autofocus / LDAF/PDAF: laser/phase detection autofocus
Capacitive
Multitouch
Accelerometer
Compass
+4 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

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Change model 
ModelOptimus U (US670)Zenfone 6 (ZS630KL 128GB)
Other model namesUS Cellular LG Optimus U US670, LG US670Asus Zenfone 6 2019 (6GB RAM) ASUS_I01WD, ZS630KL, I01WD
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandLGAsus
Release date12/1/20105/16/2019
Depth13.2 millimeters (0.52 inches)9.2 millimeters (0.36 inches)
Size (width x height)58.9 x 113.5 millimeters (2.32 x 4.47 in)75.4 x 159.1 millimeters (2.97 x 6.26 in)
Weight130 grams (4.55 ounces)190 grams (6.65 ounces)
Build, materialsfeature not registeredAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported

📲 Display

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Display typeTFT LCDTFT IPS LCD
Screen size3.2" inches6.4" inches
Screen-to-body ratio~45.6% (screen-to-body ratio)~83.8% (screen-to-body ratio)
Display resolution320x480 pixels1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)180 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 6
Refresh ratefeature not registered60Hz
Display featuresfeature not registered600nits[peak]
HDR10

🤖 Operating System

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
System versionAndroid 2.2.2 FroyoAndroid 9.0 Pie
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Chipset32bit: Qualcomm Snapdragon S1 MSM762764bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPUSingle-core, 1 processor:
1x 600MHz ARM1136EJ-S (Single-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 485 (Single-core)
3x 2.42GHz Kryo 485 (Triple-core)
4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controllerQualcomm Adreno 200Qualcomm Adreno 640 (585MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
RAM memory512MB6GB LPDDR4X
Internal storage512MB (140MB available)128GB (109GB available)
UFS 2.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM cardNot supported2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload0.153 Mbps1200/150 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandNot supportedQuad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DOA version:
UMTS 850/900/1900/2100
B, C version:
UMTS 800/850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat18
VoLTE
A version:
LTE (Bands 1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40, 41)
B version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28)
TD-LTE (Bands 38, 39, 41, 46)
C version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 28)
TD-LTE (Bands 38, 39, 41, 46)
Primary 5G networkNot supportedNot supported
Primary data networkCDMA2000 EV-DO Rev AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Back camera (main camera)3.1 megapixels(dual camera)
48 megapixels
13MP ultrawide f/2.411mm
Main camera resolution2048x1536 pixels8000x6000 pixels
Video recording (primary)VGA (640x480) 15 fps4K UHD (3840x2160) 60 fps
FlashNot supportedDual-LED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusLDAF/PDAF: laser/phase detection autofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Front camera (secondary)Not supportedUses the back motorized camera (flip-up/rotating)
Front camera resolutionNot supported8000x6000 pixels
Video recording (secondary)Not supported4K UHD (3840x2160)
Front flashNot supportedDual-LED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registered2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, DivX, XviD, H.263, H.264, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
USBMicroUSB 2.0USB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth2.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g [wifi3] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNAfeature not registeredNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCNot supportedSupported
Infrared portfeature not registeredNot supported

🧭 Sensors

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
SensorsAccelerometer
Compass
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Battery typeLi-Ion: lithium-ion (Removable)
LGIP-400N
LiPo: li-ion polymer (Non removable)
Battery capacity1500 mAh5000 mAh
Charger, wattsWired charging18W (9V/2A) Wired fast charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy5 hours33 hours (1.4 days)
Standby200 hours (8.3 days)624 hours (26 days)

➕ Other features

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTMLHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Blue
• 2GB microSD included
• LG 3Way Sync
• HAC (M4/T4)
• WiFi hotspot
• Java framework
• Colors: Midnight Black, Twilight Silver
• 19.5:9, HDR10, DCI-P3 100% display
• Quick Charge 4.0
• 24-bit/192kHz audio
• DTS Headphone X
• Motorized flip-up main/selfie camera
• Google Pay

☢️ Radiation rate

LG Optimus U (US670)Asus Zenfone 6 (ZS630KL 128GB)
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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