Apple iPhone 4 (32GB) vs Asus Zenfone 5Z (ZS621KL 256GB)
Side by side comparison between Apple iPhone 4 vs Asus Zenfone 5Z phones, differences, pros, cons and full specifications. What's the better?
,
3.5"
IPS
IPS
640x960
5
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1420
mAh
mAh
(Non removable)
vs
6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
8GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 5Z (ZS621KL 256GB)
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!
4 Advantages 
33 Advantages | 19 Common items in both devices |
| 60Hz |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +12 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 | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Model | iPhone 4 (32GB) | Zenfone 5Z (ZS621KL 256GB) |
| Other model names | iPhone 4 | Asus Zenfone 5z 8GB RAM (ZS621KL), ASUS_Z01RD |
| Country or region available |  (Global, International) |  India |
| Brand | Apple | Asus |
| Release date | 6/1/2010 | 6/1/2018 |
| Depth | 9.3 millimeters (0.37 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 58.66 x 115.2 millimeters (2.31 x 4.54 in) | 75.65 x 153 millimeters (2.98 x 6.02 in) |
| Weight | 137 grams (4.8 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Stainless steel body, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Display type | TFT LED-Backlit IPS LCD | TFT IPS LCD |
| Screen size | 3.5" inches | 6.2" inches |
| Screen-to-body ratio | ~54% (screen-to-body ratio) | ~83.7% (screen-to-body ratio) |
| Display resolution | 640x960 pixels (3:2) | 1080x2246 pixels (18.7:9) |
| Touchscreen | Capacitive Multitouch 5-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 330 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | 550nits[typ] |
🤖 Operating System | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| System version | iOS 4.0 | Android 8.0 Oreo |
| Firmware update | iOS 7.0 | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Chipset | 32bit: Apple A4 (45nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | PowerVR SGX535 | Qualcomm Adreno 630 710Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| RAM memory | 512MB LPDDR | 8GB LPDDR4X |
| Internal storage | 32GB (28GB available) Flash (EEPROM) | 256GB (240GB available) UFS 2.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 800/100 Mbps |
| Network technology | 2G, 3G | 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 | UMTS 850/900/1900/2100 | UMTS 800/850/900 |
| Primary 4G network | Not supported | 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 | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF |
| Main camera resolution | 2592x1936 pixels | 4000x3000 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | 1/3.2" inches | 1/2.55" inches |
| Pixel size | 1.75µm pixel | 1.4µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital 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 | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Front camera (secondary) | 0.3 megapixels | 8 megapixels |
| Front camera resolution | 640x480 pixels | 3264x2448 pixels |
| Video recording (secondary) | VGA (720x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | 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 |
🔉 Sound and multimedia | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 1 microphone | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MPEG4 | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, iTunes | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| USB | USB 2.0 proprietary connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Proprietary TV-out | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Sensors | Accelerometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1420 mAh | 3300 mAh |
| Charger, watts | 5W (5V/1A) Wired charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 12 hours | 25 hours (1 days) |
| Standby | 300 hours (12.5 days) | feature not registered |
➕ Other features | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS, 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 with tutorial | 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: Black, White • Videocalling over Wi-Fi only • iCloud service | • 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 | ||
| iPhone 4 (32GB) | Asus Zenfone 5Z (ZS621KL 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.17W/kg (head), 1.11W/kg (body) | 1.04W/kg (head), 0.37W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.93W/kg (head), 0.74W/kg (body) | 1.2W/kg (head), 1.477W/kg (body) |