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 (3,740,528 vs 1,025,251); the Vivo S20 is noticeably lighter (186g vs 215g).
Vivo iQOO 15
Vivo S20
- Higher AnTuTu: 3740528 vs 1025251
- Better Geekbench Single: 3041 vs 1131
- Better Geekbench Multi: 9494 vs 2967
- Bigger battery: 7000 vs 6500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 58/100)
- Better camera (78/100 vs 44/100)
- Longer battery life (85/100 vs 68/100)
- Better display (99/100 vs 85/100)
- Lighter: 186g vs 215g
- Better portability (75/100 vs 48/100)
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 58/100). 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 58/100). 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).
| Specification | Vivo iQOO 15 | Vivo S20 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7 Gen 3 | |
| AnTuTu | 3740528 | 1025251 | |
| Geekbench Single | 3041 | 1131 | |
| Geekbench Multi | 9494 | 2967 | |
| 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 | |
| Price | $599 | — |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo S20
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 50MP
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo S20
- 6.7" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
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
We compared Vivo iQOO 15 and Vivo S20, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo S20 by 264.8% in our overall performance rating.
Vivo S20
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo S20 (94/100 vs 58/100).
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).
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 58/100).
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. The Vivo S20 is a better fit for everyday use.