Asus Zenfone 5Z (ZS621KL 64GB) vs Apple iPhone 6S Plus (64GB)
Side by side comparison between Asus Zenfone 5Z vs Apple iPhone 6S Plus phones, differences, pros, cons and full specifications. What's the better?
,
6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
12
MP
MP
5mp
2GB
RAM
RAM
Dual-core
2750
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!
20 Advantages 
5 Advantages | 31 Common items in both devices |
| 64GB (51GB available) / 64GB (55GB available) |
| Aluminum frame, glass front/back / Aluminum body, glass front |
| 60Hz |
| 16 million |
| Dual-LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| +24 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 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Model | Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) |
| Other model names | Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD | iPhone 6s Plus A1634, iPhone 6s Plus A1687 CDMA, iPhone 6s+ |
| Country or region available |  India |  (Global, International) |
| Brand | Asus | Apple |
| Release date | 6/1/2018 | 9/25/2015, Announced: 9/9/2015 |
| Depth | 7.9 millimeters (0.31 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 75.65 x 153 millimeters (2.98 x 6.02 in) | 77.9 x 158.2 millimeters (3.07 x 6.23 in) |
| Weight | 165 grams (5.78 ounces) | 192 grams (6.72 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Display type | TFT IPS LCD | TFT LED-Backlit IPS LCD |
| Screen size | 6.2" inches | 5.5" inches |
| Screen-to-body ratio | ~83.7% (screen-to-body ratio) | ~67.7% (screen-to-body ratio) |
| Display resolution | 1080x2246 pixels (18.7:9) | 1080x1920 pixels (16:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 402 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Sapphire Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | 550nits[typ] | Not supported |
🤖 Operating System | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| System version | Android 8.0 Oreo | iOS 9.0 |
| Firmware update | Android 10 | iOS 15 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Apple A9 (APL1022) (16nm) |
| CPU | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Dual-core, 1 processor: 2x 1.84GHz Twister (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | PowerVR GT7600 (6-core, 650MHz) |
| Performance (benchmark) | feature not registered | Basemark OS II: 2261 (2.0) |
💽 Memory and storage | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR4 |
| Internal storage | 64GB (51GB available) UFS 2.1 | 64GB (55GB available) NVMe (SSD) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 800/100 Mbps | 300/50 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, CDMA 800/1700/1900/2100 |
| Primary 3G network | UMTS 800/850/900 | CDMA2000 TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) | LTE Cat6 A1634 model: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30) TD-LTE (Bands 38, 39, 40, 41) A1687 model: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29) 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, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF | 12 megapixels |
| Main camera resolution | 4000x3000 pixels | 4608x2592 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm (lens) | 29mm (lens) |
| Sensor size | 1/2.55" inches | 1/3" inches |
| Pixel size | 1.4µm pixel | 1.22µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm (lens) | 31mm (lens) |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MPEG4, H.264, H.265, MOV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, AAC, eAAC, M4A |
🔌 Connectivity | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 proprietary connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Proprietary TV-out |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3300 mAh | 2750 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 25 hours (1 days) | 24 hours (1 day) |
| Standby | feature not registered | 384 hours (16 days) |
➕ Other features | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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: 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) | • Colors: Silver, Gold, Space Gray, Rose Gold • Oleophobic coating • Touch ID v2 • Simultaneous HD video and image recording • 3D Touch display • FaceTime • Siri natural language • AirDrop file sharing • iCloud cloud service • NFC Apple Pay only (Visa, MasterCard, AMEX) • WiFi hotspot |
☢️ Radiation rate | ||
| Asus Zenfone 5Z (ZS621KL 64GB) | iPhone 6S Plus (64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.04W/kg (head), 0.37W/kg (body) | 1.12W/kg (head), 1.14W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 1.2W/kg (head), 1.477W/kg (body) | 0.93W/kg (head), 0.98W/kg (body) |