Vivo iQOO 15 vs Vivo S20
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S20 (2024) runs on the Qualcomm Snapdragon 7 Gen 3. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 61/100 (a 25-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6500); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 1,027,925); the Vivo S20 is noticeably lighter (186g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo S20
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 1027925
- Better Geekbench Single: 3013 vs 1131
- Better Geekbench Multi: 9287 vs 3111
- Bigger battery: 7000 vs 6500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 59/100)
- Better camera (78/100 vs 44/100)
- Longer battery life (85/100 vs 68/100)
- Better display (99/100 vs 85/100)
What makes Vivo S20 better?
- Lighter: 186g vs 215g
- Better portability (75/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo S20, the Vivo iQOO 15 scores 25 points higher (86/100 vs 61/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 59/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 44/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 68/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo S20 (94/100 vs 59/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo S20 (78/100 vs 44/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo S20 (85/100 vs 68/100). In the "portability" category, the Vivo S20 notably outperforms the Vivo iQOO 15 (75/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo S20 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7 Gen 3 | |
| AnTuTu | 3758268 | 1027925 | |
| Geekbench Single | 3013 | 1131 | |
| Geekbench Multi | 9287 | 3111 | |
| Display | 6.8" LTPO AMOLED | 6.7" AMOLED | |
| Resolution | 1440x3168 | 1260x2800 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6500 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 40W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 15, OriginOS 5 | |
| Brightness (peak) | 6000 nits | 5000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | 163.7×76.8×8.1 mm | 160.4×74.2×7.2 mm | |
| Weight | 215 g | 186 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo S20
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 50MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo S20
- 6.7" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo S20
- 6500 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 and Vivo S20, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo S20 by 265.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo S20
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo S20 (94/100 vs 59/100).
display
In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 85/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo S20 (78/100 vs 44/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo S20 (85/100 vs 68/100).
portability
In the "portability" category, the Vivo S20 notably outperforms the Vivo iQOO 15 (75/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo S20?
The Vivo iQOO 15 significantly outperforms the Vivo S20 by 25 points (86/100 vs 61/100).
What is the rating of the Vivo iQOO 15 and the Vivo S20?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo S20 — 61/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo S20?
The Vivo iQOO 15 leads on camera score (78/100 vs 44/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo S20?
The Vivo iQOO 15 leads on performance (94/100 vs 59/100).
Should you choose the Vivo iQOO 15 over the Vivo S20?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.