Infinix Zero X vs Vivo iQOO 15 Ultra
The Infinix Zero X (2021) runs on the MediaTek Helio G95, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 49/100 (a 40-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 535,127); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Infinix Zero X doesn't; the Infinix Zero X is noticeably lighter (193g vs 227g).
Profile comparison
Category scores
Infinix Zero X
Vivo iQOO 15 Ultra
What makes Infinix Zero X better?
- Better main camera: 64MP vs 50MP
- Lighter: 193g vs 227g
- Better portability (65/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 535127
- Better Geekbench Single: 3639 vs 672
- Better Geekbench Multi: 11047 vs 1908
- Bigger battery: 7400 vs 4500 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 42/100)
- Better camera (78/100 vs 46/100)
- Longer battery life (92/100 vs 38/100)
- Better display (99/100 vs 79/100)
Comparison verdict
Comparing the Infinix Zero X vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 40 points higher (89/100 vs 49/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 42/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 46/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 38/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Zero X (99/100 vs 42/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Infinix Zero X (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Zero X (78/100 vs 46/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Zero X (92/100 vs 38/100). In the "portability" category, the Infinix Zero X significantly outperforms the Vivo iQOO 15 Ultra (65/100 vs 35/100).
Specs comparison
| Specification | Infinix Zero X | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G95 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 535127 | 4602290 | |
| Geekbench Single | 672 | 3639 | |
| Geekbench Multi | 1908 | 11047 | |
| Display | 6.7" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4500 mAh | 7400 mAh | |
| Charging | 45W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 8 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 11, XOS 7.6 | Android 16 | |
| Brightness (peak) | 700 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.1×75.7×7.8 mm | 163.7×76.8×8.7 mm | |
| Weight | 193 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Infinix Zero X
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Telephoto: 8MP
- Front: 16MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Infinix Zero X
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Infinix Zero X
- 4500 mAh
- Wired: 45W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Infinix Zero X and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Infinix Zero X by 88.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Infinix Zero X
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Zero X (99/100 vs 42/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Infinix Zero X (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Zero X (78/100 vs 46/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Zero X (92/100 vs 38/100).
portability
In the "portability" category, the Infinix Zero X significantly outperforms the Vivo iQOO 15 Ultra (65/100 vs 35/100).
Frequently asked questions
Which is better: the Infinix Zero X or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Infinix Zero X by 40 points (89/100 vs 49/100).
What is the rating of the Infinix Zero X and the Vivo iQOO 15 Ultra?
The Infinix Zero X has a MobileRank rating of 49/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Infinix Zero X or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 46/100).
Which is more powerful: the Infinix Zero X or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 42/100).
Should you choose the Infinix Zero X over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.