Oppo Reno4 vs Vivo iQOO 15
The Oppo Reno4 (2020) runs on the Qualcomm Snapdragon 720G, 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 46/100 (a 40-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4015); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 517,460); the Vivo iQOO 15 has NFC for contactless payments, the Oppo Reno4 doesn't; the Oppo Reno4 is noticeably lighter (165g vs 215g).
Profile comparison
Category scores
Oppo Reno4
Vivo iQOO 15
What makes Oppo Reno4 better?
- Lighter: 165g vs 215g
- Better portability (83/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 517460
- Better Geekbench Single: 3013 vs 746
- Better Geekbench Multi: 9287 vs 1762
- Bigger battery: 7000 vs 4015 mAh
- Faster charging: 100W vs 30W
- Better main camera: 50MP vs 48MP
- Higher performance (94/100 vs 41/100)
- Better camera (78/100 vs 39/100)
- Longer battery life (85/100 vs 24/100)
- Better display (99/100 vs 84/100)
Comparison verdict
Comparing the Oppo Reno4 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 40 points higher (86/100 vs 46/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 41/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 39/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 24/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo Reno4 (94/100 vs 41/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Oppo Reno4 (99/100 vs 84/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo Reno4 (78/100 vs 39/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo Reno4 (85/100 vs 24/100). In the "portability" category, the Oppo Reno4 significantly outperforms the Vivo iQOO 15 (83/100 vs 48/100).
Specs comparison
| Specification | Oppo Reno4 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 517460 | 3758268 | |
| Geekbench Single | 746 | 3013 | |
| Geekbench Multi | 1762 | 9287 | |
| Display | 6.4" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4015 mAh | 7000 mAh | |
| Charging | 30W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, ColorOS 7.2 | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 160.3×73.9×7.7 mm | 163.7×76.8×8.1 mm | |
| Weight | 165 g | 215 g | |
| Launch price | — | $599 |
Camera comparison
Oppo Reno4
- Main: 48MP f/1.7
- Ultrawide: 8MP
- Front: 32MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo Reno4
- 6.4" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo Reno4
- 4015 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 Oppo Reno4 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Oppo Reno4 by 86.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo Reno4
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo Reno4 (94/100 vs 41/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Oppo Reno4 (99/100 vs 84/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo Reno4 (78/100 vs 39/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo Reno4 (85/100 vs 24/100).
portability
In the "portability" category, the Oppo Reno4 significantly outperforms the Vivo iQOO 15 (83/100 vs 48/100).
Frequently asked questions
Which is better: the Oppo Reno4 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Oppo Reno4 by 40 points (86/100 vs 46/100).
What is the rating of the Oppo Reno4 and the Vivo iQOO 15?
The Oppo Reno4 has a MobileRank rating of 46/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Oppo Reno4 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 39/100).
Which is more powerful: the Oppo Reno4 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 41/100).
Should you choose the Oppo Reno4 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.