Physical features | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Model | Zenfone 3 (5.5 ZE552KL 32GB) | Zenfone 5Z (ZS621KL 64GB) |
Other model names | Asus Zenfone 3 ZE552KL 3GB/32GB 5.5" Dual-Sim, Asus Libra | Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD |
Country or region available |    (Global, International), China, (Europe) |  India |
Brand | Asus | Asus |
Release date | July, 2016 | June, 2018 |
Depth | 7.7 millimeters (0.3 inches) | 7.9 millimeters (0.31 inches) |
Size (width x height) | 77.38 x 152.59 millimeters (3.05 x 6.01 in) | 75.65 x 153 millimeters (2.98 x 6.02 in) |
Weight | 155 grams (5.43 ounces) | 165 grams (5.78 ounces) |
Qwerty physical keyboard | Not supported | Not supported |
Antenna | Internal antenna | Internal antenna |
Build, materials | feature not registered | Aluminum frame, glass front/back |
Protection against water and others | Not supported | Not supported |
System (OS) | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Operating system | Android 6.0.1 Marshmallow | Android 8.0 Oreo |
Firmware update | Android 8.0 Oreo | Android 10 |
Hardware | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Chipset | 64bit - Qualcomm Snapdragon 625 MSM8953 (14nm) | 64bit - Qualcomm Snapdragon 845 MSM8998 (10nm) |
CPU processor | 2Ghz Octa-Core ARM Cortex-A53 | Octa-Core, 2 processors: 2.7Ghz Quad-Core Kryo 385 Gold 1.7Ghz Quad-Core Kryo 385 Silver |
GPU graphical controller | Qualcomm Adreno 506 650Mhz | Qualcomm Adreno 630 710Mhz |
RAM memory | 3GB LPDDR3 | 6GB LPDDR4X |
Internal storage | 32GB (24GB available) | 64GB (51GB available) UFS 2.1 |
External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
Display | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Display type | TFT Super IPS+ | TFT IPS LCD |
Screen size | 5.5" inches | 6.2" inches |
Screen-to-body ratio | ~70.6% (screen-to-body ratio) | ~83.7% (screen-to-body ratio) |
Display resolution | 1080x1920 pixels | 1080x2246 pixels (18.7:9) |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 401 PPI | 402 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass |
Display features | feature not registered | 60Hz, 550 nits |
Mobile networks | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Dual-SIM | Dual-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 card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum download/upload | 300/50 Mbps | 800/100 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
Frequency, bands | Expand band detailsCollapse details |
GSM Mhz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | UMTS
Global: 850/900/1900/2100
Taiwan: 800/850/900/1900/2100
India: 850/900/2100 | UMTS 800/850/900 |
Primary 4G network | LTE Cat6
Global: LTE 800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,7,8,20)
Taiwan: LTE 700/800/850/900/1800/1900/2100/2600 (Bands 1,2,3,5,7,8,18,19,26,28) TD-LTE 1900/2300/2500/2600 (38,39,40,41)
India: LTE 850/900/1800/2100 (Bands 1,3,5,8) TD-LTE 2300 (Bands 40)
USA/Brazil: LTE 700/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,28) | LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | GPRS, EDGE | GPRS, EDGE |
Calling | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
Speakerphone | Supported | Supported |
Video calling | Supported | Supported |
Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
Camera | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Back camera (main camera) | 16 megapixels | (dual camera) 12 megapixels 8MP ultrawidef/2.012mm1/4"1.12µmFF |
Main camera resolution | 4608x3456 pixels | 4000x3000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
Flash | Dual-LED flash | Dual-LED flash |
Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 24mm lens |
Sensor size | feature not registered | 1/2.55" inches |
Pixel size | feature not registered | 1.4µm pixel |
Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | OIS (4-axis): Optical stabilization | OIS (4-axis): Optical stabilization |
Zoom | Only digital zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Not supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
2ª camera | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Front camera (secondary) | 8 megapixels | 8 megapixels |
Front camera resolution | 3264x2448 pixels | 3264x2448 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
Focal length | feature not registered | 24mm lens |
Sensor size | feature not registered | 1/4" inches |
Pixel size | feature not registered | 1.12µm pixel |
Multimedia | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Radio | FM (RDS) | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263 |
Audio formats | MP3, WAV, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
Connectivity | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
TV output | Not supported | Not supported |
Audio output | 3.5mm jack | 3.5mm jack |
Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) |
DLNA | Not supported | Not supported |
NFC | Not supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
Infrared port | Not supported | Not supported |
Other functions | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Active noise cancellation | Supported | Supported |
Vibrating alert | Supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
Sensors | Accelerometer Proximity sensor Compass Ambient Light sensor Gyroscope Fingerprint sensor Hall effect
| Accelerometer Proximity sensor Compass Ambient Light sensor Gyroscope Face unlock Fingerprint sensor (rear-mounted)
|
Other features | - Colors: Sapphire Black, Moonlight White, Shimmer Gold - USB OTG On-The-Go - Asus ZenUI 3.0 - Gorilla Glass 2.5D (back and front) - 600nits brightness screen - Sony IMX298 sensor camera - WiFi direct, hotspot | - 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 |
Power supply | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
Battery | Li-Ion: Lithium-Ion (Non removable) | Li-Ion: Lithium-Ion (Non removable) |
Battery capacity | 3000 mAh | 3300 mAh |
Charger, watts | 10W (5V/2A) Standard charging | 18W (9V/2A) Fast battery charging |
Talk time autonomy | feature not registered | 1500 minutes | 25 hours | 1 days |
Standby | feature not registered | feature not registered |
Radiation rate | Asus Zenfone 3 (5.5 ZE552KL 32GB) | Asus Zenfone 5Z (ZS621KL 64GB) |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.04W/kg (head) | 0.37W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.2W/kg (head) | 1.477W/kg (body) |