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Asus Zenfone 5Z (ZS621KL 64GB) vs Asus Zenfone 5 (ZE620KL 64GB/6GB)

Side by side comparison between Asus Zenfone 5Z vs Asus Zenfone 5 (ZE620KL) phones, differences, pros, cons with full specifications. What's the better?

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Compare Asus Zenfone 5 (ZE620KL) XAsus Zenfone 5Z (ZS621KL 64GB)04Points
Asus Zenfone 5Z (ZS621KL 64GB)
6.2"
IPS

1080x2246

12
MP

8mp

6GB
RAM

64bit Octa

3300
mAh

(Non removable)

vs
00PointAsus Zenfone 5 (ZE620KL 64GB/6GB)Compare Asus Zenfone 5Z X
Asus Zenfone 5 (ZE620KL 64GB/6GB)
6.2"
IPS

1080x2246

12
MP

8mp

6GB
RAM

64bit Octa

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone 5Z (ZS621KL 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!


48 Common items in both devices
6GB LPDDR4X
64GB (51GB available)
Until 1TB microSD, microSDXC
165 grams (5.78 ounces)
7.9 millimeters (0.31 inches)
Aluminum frame, glass front/back
TFT IPS LCD
+41 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
ModelZenfone 5Z (ZS621KL 64GB)Zenfone 5 (ZE620KL 64GB/6GB)
Other model namesAsus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RDAsus Zenfone 5 ZE620KL (6GB RAM), ASUS_X00QD
Country or region availableIndia
India
(Europe)
(Europe)
BrandAsusAsus
Release dateJune, 2018May, 2018
Depth7.9 millimeters (0.31 inches)7.9 millimeters (0.31 inches)
Size (width x height)75.65 x 153 millimeters (2.98 x 6.02 in)75.65 x 153 millimeters (2.98 x 6.02 in)
Weight165 grams (5.78 ounces)165 grams (5.78 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported
System (OS)Asus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
Operating systemAndroid 8.0 OreoAndroid 8.0 Oreo
Firmware updateAndroid 10Android 9.0 Pie
HardwareAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
Chipset64bit - Qualcomm Snapdragon 845 MSM8998 (10nm)64bit - Qualcomm Snapdragon 636 SDM636 (14nm)
CPU processorOcta-Core, 2 processors:
2.7Ghz Quad-Core Kryo 385 Gold
1.7Ghz Quad-Core Kryo 385 Silver
Octa-Core, 2 processors:
1.8Ghz Quad-Core Kryo 260 Gold
1.6Ghz Quad-Core Kryo 260 Silver
GPU graphical controllerQualcomm Adreno 630 710MhzQualcomm Adreno 509
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage64GB (51GB available)
UFS 2.1
64GB (51GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
DisplayAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.2" inches6.2" inches
Screen-to-body ratio~83.7% (screen-to-body ratio)~83.7% (screen-to-body ratio)
Display resolution1080x2246 pixels (18.7:9)1080x2246 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)402 PPI402 PPI
Colors16 million16 million
Scratch-resistant glassGorilla GlassGorilla Glass
Display features60Hz, 550 nits(typ)feature not registered
Mobile networksAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
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)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload800/100 Mbps600/100 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse 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 800/850/900A version:
UMTS 800/850/900/1800/1900/2100
B version (USA):
UMTS 800/850/900/1800/1900/2100
C version:
UMTS 850/900/2100
Primary 4G networkLTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,39,40,41)
LTE Cat6/Cat12
A version:
LTE Cat6 300Mpbs (Bands 1,2,3,5,7,8,18,19,20,26,28,32)
TD-LTE (Bands 34,38,39,40,41)
B version (USA):
LTE Cat12 (Bands 1,2,3,5,7,8,18,19,28)
TD-LTE (Bands 38,39,41)
C version:
LTE Cat12 (Bands 1,3,5,7,8,20)
TD-LTE (Band 40)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
Back camera (main camera)(dual camera)
12 megapixels
8MP ultrawidef/2.012mm1/4"1.12µmFF
(dual camera)
12 megapixels
8MPf/2.012mm1/4"
Main camera resolution4000x3000 pixels4000x3000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashDual-LED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length24mm lens24mm lens
Sensor size1/2.55" inches1/2.55" inches
Pixel size1.4µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical 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
2ª cameraAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
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 length24mm lens24mm lens
Sensor size1/4" inches1/4" inches
Pixel size1.12µm pixel1.12µm pixel
MultimediaAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263MP4, H.265, H.264, H.263
Audio formatsMP3, OGG, eAAC+, FLACMP3, OGG, eAAC+, FLAC
ConnectivityAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedNot supported
Other functionsAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Midnight Blue, Meteor Silver
- 2.5D curved glass screen
- 95% DCI-P3 coverage
- Supports glove touch
- ASUS ZenUI 5.0
- 24-bit/192kHz audio
- DTS sound (only headphones)
- WiFi direct, hotspot
- Colors: Midnight Blue, Meteor Silver
- 2.5D curved glass screen
- 95% DCI-P3 coverage
- Supports glove touch
- Face recognition
- ASUS ZenUI 5.0
- 24-bit/192kHz audio
- DTS sound (only headphones)
- Fast battery charging 5V/2A=10W
- WiFi direct, hotspot
Power supplyAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity3300 mAh3300 mAh
Charger, watts18W (9V/2A) Fast battery charging Standard charging
Talk time autonomy1500 minutes | 25 hours | 1 days1500 minutes | 25 hours | 1 days
Standbyfeature not registeredfeature not registered
Radiation rateAsus Zenfone 5Z (ZS621KL 64GB)Asus Zenfone 5 (ZE620KL 64GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)1.04W/kg (head) | 0.37W/kg (body)1.04W/kg (head) | 0.37W/kg (body)
SAR 2W/kg (Europe, UK, etc.)1.2W/kg (head) | 1.477W/kg (body)1.2W/kg (head) | 1.477W/kg (body)
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