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 (3,740,528 vs 859,084); the Vivo iQOO 15 has NFC for contactless payments, the Realme X3 doesn't.
Realme X3
Vivo iQOO 15
- Better main camera: 64MP vs 50MP
- Lighter: 202g vs 215g
- Overall rating 50/100
- Higher AnTuTu: 3740528 vs 859084
- Better Geekbench Single: 3041 vs 1031
- Better Geekbench Multi: 9494 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)
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.
| Specification | Realme X3 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 859084 | 3740528 | |
| Geekbench Single | 1031 | 3041 | |
| Geekbench Multi | 2864 | 9494 | |
| 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 |
Realme X3
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
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
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
We compared Realme X3 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Realme X3 by 77.0% in our overall performance rating.
Realme X3
Price unknownperformance
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.
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 Realme X3 is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.