iQOO Z8x vs Tecno Spark 20 Pro+
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP53 | |
| Dimensions | 164.63 x 75.80 x 9.10 mm | 164.65 x 75.04 x 7.55 mm |
| Weight | 199.60 g | |
| Display size | 6.64" | 6.78" |
| Display | Color / IPS TFT 16 colors 120 Hz 1080 x 2388 px (6.64") 388 ppi | Color / AMOLED 1,07G colors 120 Hz 1080 x 2436 px (6.78") 393 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 4G: 1404 min. (23.4 h) | |
| Stand-by (max.) | 4G: 727 h. (30.3 days) | |
| Standard battery | Li-Po 6000 mAhBuy powerbank
| Li-Po Buy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 128 GB, 256 GB | 256 GB |
| RAM memory | 8 GB, 12 GB | 8 GB |
| Operating system | Android 13 | Android 14 |
| Interface | OriginOS 3.0 | HiOS 14 |
| Processor | Qualcomm Snapdragon 6 Gen 1 SM6450 | MediaTek Helio G99 MT8781 |
| Processor clock | 2200 MHz | 2200 MHz |
| GPU | Adreno | ARM Mali-G57 MC2 |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 3Q 2023 | 1Q 2024 |
| Other names | Vivo iQOO Z8x; V2312A | KJ7 |
| GSM frequencies | 850 900 1800 | 850 900 1800 1900 |
| UMTS | 850 900 2100 | |
| LTE standard | FDD LTE: 2100, 1800, 900, 850, 700 TDD LTE: 2600, 2500, 2300, 2100, 1900 | |
| Standard 5G | FDD 5G: 2100, 900, 850, 700 TDD 5G: 3700, 3500, 2600, 2500, 2300 | |
| CDMA | CDMA2000 1xEV-DO | |
| Standard TD-SCDMA | ||
| UMA |

