Asus ZenFone 4 A400CG vs Asus ZenFone 5Z ZS621KL
| Type | Touch | Touch |
| Dimensions | 124.42 x 61.44 x 12.30 mm | 153.00 x 75.65 x 7.85 mm |
| Weight | 115.00 g | 165.00 g |
| Display size | 4.00" | 6.20" |
| Display | Color / TFT 16M colors 480 x 800 px (4.00") 233 ppi | Color / IPS TFT 16M colors 1080 x 2246 px (6.20") 402 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 600 min. (10.0 h) | |
| Stand-by (max.) | 2G: 192 h. (8.0 days) | |
| Standard battery | Li-Ion 1200 mAhBuy powerbank
| Li-Ion 3300 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 3.0 | |
| Wireless battery charging | ||
| Internal memory | 8 GB | 64 GB, 128 GB, 256 GB |
| RAM memory | 1 GB | 6 GB, 8 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 64 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | Android 4.3 Jelly Bean | Android 8.0 Oreo |
| Interface | - | Zen UI 5.0 |
| Processor | Intel Atom Z2520 | Qualcomm Snapdragon 845 |
| Processor clock | 1200 MHz | 2800 MHz |
| GPU | PowerVR SGX544 MP2 @300 MHz | Adreno 630 |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 1Q 2018 | |
| Other names | A400CG | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | |
| CDMA | ||
| Standard TD-SCDMA | 1900 2000 | |
| UMA |

