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Quantum Sky vs Asus Zenfone 3 Ultra (ZU680KL 128GB)

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

,
5.5"
IPS

1080x1920

13
MP

16mp

4GB
RAM

Octa-core

4010
mAh

(Non removable)

vs
15Points Asus Zenfone 3 Ultra (ZU680KL 128GB) Compare Quantum Sky X
6.8"
IPS+

1080x1920

23
MP

8mp

4GB
RAM

Octa-core

4600
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 Ultra (ZU680KL 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!

Sky} 5 Advantages Quantum Sky vs Zenfone 3 Ultra (ZU680KL 128GB)} 15 Advantages Asus Zenfone 3 Ultra (ZU680KL 128GB)
+182 grams (6.37 ounces)28%
Lighter
vs233 grams (8.16 ounces)
+401 PPI24%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs324 PPI
+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
vsDual-LED flash
+(front) 16MP99%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+PedometerAdvantage
Sensors help you use the device
vsNot supported
4GB LPDDR3vs+4GB LPDDR4Advantage
This RAM type is better and more efficient.
64GB (53GB available)vs+128GB (118GB available)123%
More internal storage for applications and files
8.3 millimeters (0.33 inches)vs+6.8 millimeters (0.27 inches)22%
Thinner
5.5"vs+6.8"24%
Larger screen
(back) 13MPvs+(back) 23MP79%
Higher resolution main camera
EIS: Digital stabilizationvs+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
Android 7.0 Nougatvs+Android 8.0 OreoAdvantage
Android 8.0 Oreo is newer and safer
4010 mAhvs+4600 mAh15%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10Wvs+18W80%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Not supportedvs+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DPvs+4.2 + A2DPAdvantage
Bluetooth 4.2 + A2DP is newer and faster
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

30 Common items in both devices
2GHz 64bit Octa-core (28nm)
Until 256GB microSD, microSDXC
TFT IPS LCD / TFT Super IPS+
16 million
1080x1920 pixels
Only digital zoom
Autofocus / LDAF/PDAF: laser/phase detection autofocus
+23 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

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
Change model 
ModelQuantum SkyZenfone 3 Ultra (ZU680KL 128GB)
Other model namesPositivo Quantum Sky 4G 64GB, Quantum Sky QX1Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury
Country or region availableBrazil
Brazil
(Global, International)
(Global, International)
BrandQuantumAsus
Release date8/29/20178/1/2016
Depth8.3 millimeters (0.33 inches)6.8 millimeters (0.27 inches)
Size (width x height)76.5 x 154.5 millimeters (3.01 x 6.08 in)93.9 x 186.4 millimeters (3.7 x 7.34 in)
Weight182 grams (6.37 ounces)233 grams (8.16 ounces)
Build, materialsAluminum body, glass front, aluminum back with plastic endsfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
Display typeTFT IPS LCDTFT Super IPS+
Screen size5.5" inches6.8" inches
Screen-to-body ratio~70.6% (screen-to-body ratio)~72.8% (screen-to-body ratio)
Display resolution1080x1920 pixels1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)401 PPI324 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 4
Refresh rate60Hzfeature not registered
Display features2.5D glassfeature not registered

🤖 Operating System

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
System versionAndroid 7.0 NougatAndroid 6.0.1 Marshmallow
Firmware updatefeature not registeredAndroid 8.0 Oreo
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
Chipset64bit: MediaTek Helio P10 (MT6755) (28nm)64bit: Qualcomm Snapdragon 652 MSM8976 (28nm)
CPUOcta-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.2GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 1.8GHz ARM Cortex-A72 (Quad-core)
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-T860 MP2 (700MHz)Qualcomm Adreno 510 600Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
RAM memory4GB LPDDR34GB LPDDR4
Internal storage64GB (53GB available)
eMMC 5.1
128GB (118GB available)
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandTri-Band 850/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/1900/2100Global version:
UMTS 800/850/900/1900/2100
China version:
CDMA2000, TD-SCDMA 1900/2000
UMTS 800/850/900/1900/2100
Primary 4G networkLTE Cat6 (1, 2, 3, 4, 5, 7, 28)LTE 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)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
Back camera (main camera)13 megapixels23 megapixels
Main camera resolution4128x3096 pixels5520x4140 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 24 fps
FlashLED flash on both camerasDual-LED flash
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/2.6" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusAutofocusLDAF/PDAF: laser/phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS (4-axis): Optical 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 on both cameras
Camera extrasSony IMX258 (back)
Samsung S5K3P3 (front)
feature not registered

📸 Front camera

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
Front camera (secondary)16 megapixels8 megapixels
Front camera resolution4608x3456 pixels3264x2448 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashLEDNot 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

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
LoudspeakerMono sound (not stereo)Supported
Active noise cancellationNot supported2 microphones or more
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263MP4, H.264, H.263
Audio formatsMP3, WAV, OGG, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C SlimPort®
Bluetooth4.0 + A2DP4.2 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Pedometer
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity4010 mAh4600 mAh
Charger, watts10W Wired charging18W (9V/2A) Wired fast charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy28 hours (1.2 days)34 hours (1.4 days)
Standbyfeature not registeredfeature not registered

➕ Other features

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 128GB)
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: Silver, Gold
• Screen protector included
• Silicon case included
• 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

☢️ Radiation rate

Quantum SkyAsus Zenfone 3 Ultra (ZU680KL 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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