Alcatel One Touch Pixi First vs ZTE Optus X Start 4
| Type | Touch | Touch |
| Dimensions | 122.10 x 64.40 x 9.70 mm | 137.35 x 67.60 x 10.70 mm |
| Weight | 125.00 g | 144.50 g |
| Display size | 4.00" | 5.00" |
| Display | Color / TFT 16M colors 480 x 800 px (4.00") 233 ppi | Color / IPS TFT 16,7M colors 480 x 960 px (5.00") 215 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 420 min. (7.0 h) | 4G: 900 min. (15.0 h) |
| Stand-by (max.) | 2G: 300 h. (12.5 days) | 4G: 400 h. (16.7 days) |
| Standard battery | Li-Ion 1450 mAhBuy powerbank
| Li-Ion 2000 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 4 GB | 32 GB |
| End-user memory | 24 GB | |
| RAM memory | 512 MB | 2 GB |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 512 GBBuy memory card |
| Operating system | Android 4.4 KitKat | Android 13 Go |
| Processor | Spreadtrum SC7731 | Unisoc SC9863A |
| Processor clock | 1200 MHz | 1600 MHz |
| GPU | ARM Mali-400 MP2 @400 MHz | IMG8322 @550 MHz |
| Touchscreen | ||
| SAR (10g) | 1,622 W/kg | |
| DualSIM | ||
| SIM cards standard | SingleSIM(nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 3Q 2015 | |
| Other names | 4024X; 4024D | P503 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 700 TDD LTE: 2300 | |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

