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Asus Zenfone 2 (ZE500CL) vs Asus Zenfone 3 Ultra (ZU680KL 128GB)

Side by side comparison between Asus Zenfone 2 vs Asus Zenfone 3 Ultra phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone 3 Ultra X Asus Zenfone 2 (ZE500CL) 01Point
5"
IPS

720x1280

8
MP

2mp

2GB
RAM

Dual-core

2500
mAh

(Non removable)

vs
24Points Asus Zenfone 3 Ultra (ZU680KL 128GB) Compare Asus Zenfone 2 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!

Zenfone 2 (ZE500CL)} 1 Advantage Asus Zenfone 2 (ZE500CL) vs Zenfone 3 Ultra (ZU680KL 128GB)} 24 Advantages Asus Zenfone 3 Ultra (ZU680KL 128GB)
+155 grams (5.43 ounces)50%
Lighter
vs233 grams (8.16 ounces)
1.6GHz 32bit Dual-corevs+1.8GHz 64bit Octa-core84%
More powerful processor, you can open your applications faster
2GB LPDDR2vs+4GB LPDDR4100%
More RAM memory. Typically more responsive and better for multitasking.
16GB (13GB available)vs+128GB (118GB available)8 times
More internal storage for applications and files
Until 64GB microSD, microSDXCvs+Until 256GB microSD, microSDXC3 times
More external storage for files using memory cards
10.9 millimeters (0.43 inches)vs+6.8 millimeters (0.27 inches)60%
Thinner
720x1280 pixelsvs+1080x1920 pixels125%
Higher resolution screen
294 PPIvs+324 PPI10%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"vs+6.8"36%
Larger screen
(back) 8MPvs+(back) 23MP186%
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 2MPvs+(front) 8MP3 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 5.0 Lollipopvs+Android 8.0 OreoAdvantage
Android 8.0 Oreo is newer and safer
(4G LTE) 100 Mbpsvs+(4G LTE-A) 300 Mbps2 times
Faster for surfing the internet and download files
Not supportedvs+Fingerprint sensorAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
2500 mAhvs+4600 mAh84%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
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 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

22 Common items in both devices
TFT IPS LCD / TFT Super IPS+
16 million
Only digital zoom
Autofocus / LDAF/PDAF: laser/phase detection autofocus
f/2.0 (aperture)
4G LTE / 4G LTE-A
Capacitive
+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 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
ModelZenfone 2 (ZE500CL)Zenfone 3 Ultra (ZU680KL 128GB)
Other model namesAsus Zenfone 2 ZE500CL (4G LTE)Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury
Country or region availablefeature not registered(Global, International)
(Global, International)
BrandAsusAsus
Release date3/1/20158/1/2016
Depth10.9 millimeters (0.43 inches)6.8 millimeters (0.27 inches)
Size (width x height)71.5 x 148.1 millimeters (2.81 x 5.83 in)93.9 x 186.4 millimeters (3.7 x 7.34 in)
Weight155 grams (5.43 ounces)233 grams (8.16 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
Display typeTFT IPS LCDTFT Super IPS+
Screen size5" inches6.8" inches
Screen-to-body ratio~65.1% (screen-to-body ratio)~72.8% (screen-to-body ratio)
Display resolution720x1280 pixels1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)294 PPI324 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 4
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
System versionAndroid 5.0 LollipopAndroid 6.0.1 Marshmallow
Firmware updatefeature not registeredAndroid 8.0 Oreo
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
Chipset32bit: Intel Atom Z256064bit: Qualcomm Snapdragon 652 MSM8976 (28nm)
CPUDual-core, 1 processor:
2x 1.6GHz Atom (Dual-core)
Octa-core, 2 processors:
4x 1.8GHz ARM Cortex-A72 (Quad-core)
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerPowerVR SGX544 MP2Qualcomm Adreno 510 600Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
RAM memory2GB LPDDR24GB LPDDR4
Internal storage16GB (13GB available)128GB (118GB available)
External storageUntil 64GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload100/50 Mbps300/50 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 networkUMTS 850/900/1900/2100Global version:
UMTS 800/850/900/1900/2100
China version:
CDMA2000, TD-SCDMA 1900/2000
UMTS 800/850/900/1900/2100
Primary 4G networkLTE Cat3 700/800/850/900/1700/1800/1900/2100/2600 (Band 1,2,3,4,5,7,8,17,20) - Taiwan: 700/850/900/1700/1900/2100/2600 (Bands 3,4,5,7,8,12,28)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 networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
Back camera (main camera)8 megapixels23 megapixels
Main camera resolution3264x2448 pixels5520x4140 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 24 fps
FlashLED flashDual-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 stabilizationfeature not registeredOIS (4-axis): Optical stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
Front camera (secondary)2 megapixels8 megapixels
Front camera resolution1600x1200 pixels3264x2448 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/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 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
LoudspeakerSupportedSupported
Active noise cancellationNot supported2 microphones or more
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263
Audio formatsMP3, WAV, eAAC+MP3, WAV, eAAC+, FLAC

🔌 Connectivity

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
USBMicroUSB 2.0USB 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

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 2 (ZE500CL)Asus Zenfone 3 Ultra (ZU680KL 128GB)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity2500 mAh4600 mAh
Charger, wattsWired charging18W (9V/2A) Wired fast charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy14 hours34 hours (1.4 days)
Standby360 hours (15 days)feature not registered

➕ Other features

Asus Zenfone 2 (ZE500CL)Asus 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: Charcoal Black, Pearl White, Cherry Red
• Asus ZenUI
• 5GB free lifetime ASUS WebStorage
• 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

Asus Zenfone 2 (ZE500CL)Asus 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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