Poco X3 vs Vivo iQOO 15 Ultra
The Poco X3 (2020) runs on the Qualcomm Snapdragon 732G, 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 47/100 (a 42-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the main camera is 64 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 531,656); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Poco X3 doesn't; the Vivo iQOO 15 Ultra is thinner (8.7mm vs 10.1mm).
Profile comparison
Category scores
Poco X3
Vivo iQOO 15 Ultra
What makes Poco X3 better?
- Better main camera: 64MP vs 50MP
- Lighter: 225g vs 227g
- Overall rating 47/100
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 531656
- Better Geekbench Single: 3639 vs 752
- Better Geekbench Multi: 11047 vs 1819
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 33W
- 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 53/100)
- Better display (99/100 vs 66/100)
- Better portability (35/100 vs 28/100)
Comparison verdict
Comparing the Poco X3 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 42 points higher (89/100 vs 47/100). 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 53/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (99/100 vs 42/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (99/100 vs 66/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (78/100 vs 46/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (92/100 vs 53/100). In the "portability" category, the Vivo iQOO 15 Ultra is a bit better (35/100 vs 28/100).
Specs comparison
| Specification | Poco X3 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 732G | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 531656 | 4602290 | |
| Geekbench Single | 752 | 3639 | |
| Geekbench Multi | 1819 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 33W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, MIUI 12 | Android 16 | |
| Brightness (peak) | 450 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | IP53 | IP68 | |
| Dimensions | 165.3×76.8×10.1 mm | 163.7×76.8×8.7 mm | |
| Weight | 225 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Poco X3
- Main: 64MP f/1.9
- Ultrawide: 13MP
- Front: 20MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Poco X3
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Poco X3
- 6000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Poco X3 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Poco X3 by 88.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco X3
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (99/100 vs 42/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (99/100 vs 66/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (78/100 vs 46/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X3 (92/100 vs 53/100).
portability
In the "portability" category, the Vivo iQOO 15 Ultra is a bit better (35/100 vs 28/100).
Frequently asked questions
Which is better: the Poco X3 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Poco X3 by 42 points (89/100 vs 47/100).
What is the rating of the Poco X3 and the Vivo iQOO 15 Ultra?
The Poco X3 has a MobileRank rating of 47/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Poco X3 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 Poco X3 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 42/100).
Should you choose the Poco X3 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.