Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) vs Asus Zenfone 5Z (ZS621KL 64GB)
Side by side comparison between Asus Zenfone 4 vs Asus Zenfone 5Z phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
12.2
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3300
mAh
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!
2 Advantages Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | vs | 9 Advantages Asus Zenfone 5Z (ZS621KL 64GB) |
+7.5 millimeters (0.3 inches)5% Thinner | vs | 7.9 millimeters (0.31 inches) |
+(dual camera) 12.2MP + 8MP1% Higher resolution main camera | vs | (dual camera) 12MP + 8MP |
2.2GHz 64bit Octa-core | vs | +2.7GHz 64bit Octa-core21% More powerful processor, you can open your applications faster |
Until 256GB microSD, microSDXC | vs | +Until 1TB microSD, microSDXC3 times More external storage for files using memory cards |
1080x1920 pixels | vs | +1080x2246 pixels17% Higher resolution screen |
401 PPI | vs | +402 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi) |
5.5" | vs | +6.2"13% Larger screen |
LED flash | vs | +Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light |
Android 7.1.1 Nougat | vs | +Android 10Advantage Android 10 is newer and safer |
(4G LTE-A) 600 Mbps | vs | +(4G LTE-A) 800 Mbps33% Faster for surfing the internet and download files |
Not supported | vs | +Face unlockAdvantage Sensors help you use the device |
37 Common items in both devices |
6GB LPDDR4X |
64GB (52GB available) / 64GB (51GB available) |
165 grams (5.78 ounces) |
Aluminum frame, glass front/back |
TFT IPS LCD |
16 million |
Only digital zoom |
+30 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 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Model | Zenfone 4 (ZE554KL 64GB/6GB NFC) | Zenfone 5Z (ZS621KL 64GB) |
Other model names | Asus Zenfone 4 (NFC version) Snapdragon 660 (6GB RAM) | Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD |
Country or region available | (Europe), South Africa, China, USA, Hong Kong, Taiwan | India |
Brand | Asus | Asus |
Release date | 10/1/2017 | 6/1/2018 |
Depth | 7.5 millimeters (0.3 inches) | 7.9 millimeters (0.31 inches) |
Size (width x height) | 75.2 x 155.4 millimeters (2.96 x 6.12 in) | 75.65 x 153 millimeters (2.98 x 6.02 in) |
Weight | 165 grams (5.78 ounces) | 165 grams (5.78 ounces) |
Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Display type | TFT IPS LCD | TFT IPS LCD |
Screen size | 5.5" inches | 6.2" inches |
Screen-to-body ratio | ~71.4% (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 |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | 550nits[typ] |
🤖 Operating System | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
System version | Android 7.1.1 Nougat | Android 8.0 Oreo |
Firmware update | feature not registered | Android 10 |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Chipset | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
GPU graphical controller | Qualcomm Adreno 512 650Mhz | Qualcomm Adreno 630 710Mhz |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
RAM memory | 6GB LPDDR4X | 6GB LPDDR4X |
Internal storage | 64GB (52GB 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) |
📶 Mobile networks | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | 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) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 600/150 Mbps | 800/100 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
Frequency, bands | Expand band details Collapse 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 | China version: UMTS 850/900/1900/2100 North America version: UMTS 800/850/900/1700/1900/2100 Taiwan version: UMTS 800/850/900/1800/1900/2100 | UMTS 800/850/900 |
Primary 4G network | LTE Cat12 China version: LTE (Bands 1,2,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) North America version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan version: LTE (Bands 1,2,3,5,7,8,18,19,28) TD-LTE (Bands 38,39,40,41) | 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 |
📷 Camera | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Back camera (main camera) | (dual camera) 12.2 megapixels 8MP 12mm | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF |
Main camera resolution | 4032x3024 pixels | 4000x3000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
Flash | LED flash | Dual-LED flash |
Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
Focal length | 25mm lens | 24mm lens |
Sensor size | 1/2.55" inches | 1/2.55" inches |
Pixel size | 1.4µm pixel | 1.4µm pixel |
Autofocus | PDAF: 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 |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | 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 | 24mm lens | 24mm lens |
Sensor size | feature not registered | 1/4" inches |
Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263 | MP4, H.265, H.264, H.263 |
Audio formats | MP3, WAV, OGG, eAAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | Not supported |
Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
NFC | Supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 3300 mAh | 3300 mAh |
Charger, watts | 18W (9V/2A) Wired fast charging | 18W (9V/2A) Wired fast charging |
Inductive / wireless charging | feature not registered | Not supported |
Talk time autonomy | 30 hours (1.3 days) | 25 hours (1 days) |
Standby | 552 hours (23 days) | feature not registered |
➕ Other features | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | Asus Zenfone 5Z (ZS621KL 64GB) | |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
Hands-free calling | Supported | Supported |
Video calling | Supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Moonlight white, Mint green, Midnight black • Asus ZenUI 4.0 • 2.5D glass screen • Sony IMX362 back camera sensor • Fast battery charging: 50% in 36min • 24-bit/192kHz audio • DTS surround sound • VoLTE | • 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) |
☢️ Radiation rate | ||
Asus Zenfone 4 (ZE554KL 64GB/6GB NFC) | 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) |