Asus ZenFone Max Pro M2 vs Grundig X900
| Type | Touch | Clamshell |
| Dimensions | 157.90 x 75.50 x 8.50 mm | 96.30 x 51.00 x 13.50 mm |
| Weight | 175.00 g | 88.00 g |
| Display size | 6.30" | - |
| Display | Color / IPS TFT 16M colors 1080 x 2280 px (6.30") 400 ppi | Color / TFT 256k colors 240 x 320 px |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | Color / TFT 256k colors 128 x 128 px | |
| Protection of the secondary display | ||
| Talk time (max.) | 3G: 2700 min. (45.0 h) | |
| Stand-by (max.) | 4G: 840 h. (35.0 days) | |
| Playback time (max.) | Video: 19 h (0.8 days) | nd |
| Internet browsing time (max.) | WiFi: 23 h (1.0 days) | nd |
| Standard battery | Li-Ion 5000 mAhBuy powerbank
| Li-Ion 650 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 64 GB, 32 GB, 128 GB | 82 MB |
| RAM memory | 6 GB, 3 GB, 4 GB | |
| Memory cards | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD |
| Operating system | Android 8.1 Oreo | - |
| Processor | Qualcomm Snapdragon 660 | - |
| Processor clock | 1950 MHz | - |
| GPU | Adreno 512 | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 4Q 2018 | |
| Other names | ZB631KL; ZB630KL; ASUS_X01BDA | - |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | 850 900 1900 2100 | |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800 TDD LTE: 2300 | |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

