Realme X3 vs Vivo iQOO 15
The Realme X3 (2020) runs on the Qualcomm Snapdragon 855+, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 50/100 (a 36-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4200); the main camera is 64 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 859,084); the Vivo iQOO 15 has NFC for contactless payments, the Realme X3 doesn't.
Profile comparison
Category scores
Realme X3
Vivo iQOO 15
What makes Realme X3 better?
- Better main camera: 64MP vs 50MP
- Lighter: 202g vs 215g
- Overall rating 50/100
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 859084
- Better Geekbench Single: 3013 vs 1031
- Better Geekbench Multi: 9287 vs 2864
- Bigger battery: 7000 vs 4200 mAh
- Faster charging: 100W vs 30W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 55/100)
- Better camera (78/100 vs 48/100)
- Longer battery life (85/100 vs 28/100)
- Better display (99/100 vs 70/100)
Comparison verdict
Comparing the Realme X3 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 36 points higher (86/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 48/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 28/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Realme X3 (94/100 vs 55/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Realme X3 (99/100 vs 70/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Realme X3 (78/100 vs 48/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Realme X3 (85/100 vs 28/100). In the "portability" category, both devices are on the same level — 48/100.
Specs comparison
| Specification | Realme X3 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 859084 | 3758268 | |
| Geekbench Single | 1031 | 3013 | |
| Geekbench Multi | 2864 | 9287 | |
| Display | 6.0" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4200 mAh | 7000 mAh | |
| Charging | 30W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 12 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, Realme UI | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.8×75.8×8.9 mm | 163.7×76.8×8.1 mm | |
| Weight | 202 g | 215 g | |
| Launch price | — | $599 |
Camera comparison
Realme X3
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme X3
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Realme X3
- 4200 mAh
- Wired: 30W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Realme X3 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Realme X3 by 77.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme X3
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Realme X3 (94/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Realme X3 (99/100 vs 70/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Realme X3 (78/100 vs 48/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Realme X3 (85/100 vs 28/100).
portability
In the "portability" category, both devices are on the same level — 48/100.
Frequently asked questions
Which is better: the Realme X3 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Realme X3 by 36 points (86/100 vs 50/100).
What is the rating of the Realme X3 and the Vivo iQOO 15?
The Realme X3 has a MobileRank rating of 50/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Realme X3 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 48/100).
Which is more powerful: the Realme X3 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 55/100).
Should you choose the Realme X3 over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.