| Hardware and OS | Asus Zenfone 4 (2014) | |
| Operating system | Android 4.3 (Jelly Bean), upgradable to 4.4.2 (KitKat) | |
| Processor | Dual-core 1.2 GHz | |
| Chipset | Intel Atom Z2520 | |
| Internal memory | 4GB 1GB RAM, 8GB 1GB RAM | |
| External memory | microSDXC (dedicated slot) | |
| GPU | PowerVR SGX544MP2 | |
| Display | Asus Zenfone 4 (2014) | other phones |
| Size | 4.0 inches, 45.5 cm2 | |
| Resolution | 480 x 800 pixels, 5:3 ratio | |
| Type | TFT capacitive touchscreen, 16M colors | |
| Protection | Corning Gorilla Glass 3 | |
| Main Camera | Asus Zenfone 4 (2014) | other phones |
| Camera | 5 MP, AF | |
| Video | 1080p@30fps | |
| Selfie camera | Asus Zenfone 4 (2014) | other phones |
| Camera | Yes | |
| Connectivity | Asus Zenfone 4 (2014) | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
| Bluetooth | 4.0, A2DP, EDR | |
| GPS | Yes, with A-GPS, GLONASS | |
| Speed | HSPA 42.2/5.76 Mbps | |
| Technology | GSM / HSPA | |
| USB | microUSB 2.0, USB On-The-Go | |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Multimedia | Asus Zenfone 4 (2014) | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Radio | No | |
| Battery | Asus Zenfone 4 (2014) | other phones |
| Capacity | Removable Li-Po 1200/1600 mAh battery | |
| Stand-by | Up to 192 h | |
| Talk time | Up to 10 h | |
| Design | Asus Zenfone 4 (2014) | other phones |
| Colors | Charcoal Black, Pearl White, Cherry Red, Sky Blue, Solar Yellow | |
| Dimensions | 124.4 x 61.4 x 6.3 - 11.2 mm | |
| Weight | 115 g (4.06 oz) | |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Features | Asus Zenfone 4 (2014) | other phones |
| Sensors | Accelerometer, proximity | |
