Vivo iQOO Z6x vs Vivo X300 Ultra
The Vivo iQOO Z6x (2022) runs on the MediaTek Dimensity 810, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 43/100 (a 48-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 569,913); the Vivo X300 Ultra has NFC for contactless payments, the Vivo iQOO Z6x doesn't; the Vivo iQOO Z6x is noticeably lighter (204g vs 230g).
Profile comparison
Category scores
Vivo iQOO Z6x
Vivo X300 Ultra
What makes Vivo iQOO Z6x better?
- Lighter: 204g vs 230g
- Better portability (43/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 569913
- Better Geekbench Single: 3639 vs 684
- Better Geekbench Multi: 11047 vs 1900
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 44W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 42/100)
- Better camera (96/100 vs 30/100)
- Longer battery life (85/100 vs 56/100)
- Better display (89/100 vs 57/100)
Comparison verdict
Comparing the Vivo iQOO Z6x vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 48 points higher (91/100 vs 43/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 42/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 56/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO Z6x (99/100 vs 42/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO Z6x (89/100 vs 57/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO Z6x (96/100 vs 30/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Vivo iQOO Z6x (85/100 vs 56/100). In the "portability" category, the Vivo iQOO Z6x and the Vivo X300 Ultra are nearly equal (43/100 vs 39/100).
Specs comparison
| Specification | Vivo iQOO Z6x | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 810 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 569913 | 4247433 | |
| Geekbench Single | 684 | 3639 | |
| Geekbench Multi | 1900 | 11047 | |
| Display | 6.6" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2408 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 44W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11, Origin OS Ocean | Android 16 | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 163.9×75.3×9.3 mm | 163.0×76.8×8.2 mm | |
| Weight | 204 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Vivo iQOO Z6x
- Main: 50MP f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Vivo iQOO Z6x
- 6.6" IPS LCD
- Resolution: 1080x2408
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO Z6x
- 6000 mAh
- Wired: 44W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Vivo iQOO Z6x and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Vivo iQOO Z6x by 86.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO Z6x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO Z6x (99/100 vs 42/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO Z6x (89/100 vs 57/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Vivo iQOO Z6x (96/100 vs 30/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Vivo iQOO Z6x (85/100 vs 56/100).
portability
In the "portability" category, the Vivo iQOO Z6x and the Vivo X300 Ultra are nearly equal (43/100 vs 39/100).
Frequently asked questions
Which is better: the Vivo iQOO Z6x or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Vivo iQOO Z6x by 48 points (91/100 vs 43/100).
What is the rating of the Vivo iQOO Z6x and the Vivo X300 Ultra?
The Vivo iQOO Z6x has a MobileRank rating of 43/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Vivo iQOO Z6x or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 30/100).
Which is more powerful: the Vivo iQOO Z6x or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 42/100).
Should you choose the Vivo iQOO Z6x over the Vivo X300 Ultra?
The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.