OnePlus 15T vs Vivo S21 Pro
The OnePlus 15T (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo S21 Pro (2024) runs on the MediaTek Dimensity 9300+. By overall MobileRank rating, the OnePlus 15T leads — 86/100 vs 79/100 (a 7-point difference). Key differences: the OnePlus 15T has the bigger battery (6400 mAh vs 5500); the OnePlus 15T is faster in AnTuTu (3,927,976 vs 2,348,248).
Profile comparison
Category scores
OnePlus 15T
Vivo S21 Pro
What makes OnePlus 15T better?
- Higher AnTuTu: 3927976 vs 2348248
- Better Geekbench Single: 3639 vs 2249
- Better Geekbench Multi: 11047 vs 7352
- Bigger battery: 6400 vs 5500 mAh
- Faster charging: 100W vs 90W
- Higher performance (98/100 vs 83/100)
- Longer battery life (84/100 vs 64/100)
- Better display (89/100 vs 85/100)
What makes Vivo S21 Pro better?
- Better camera (81/100 vs 78/100)
Comparison verdict
Comparing the OnePlus 15T vs the Vivo S21 Pro, the OnePlus 15T scores 7 points higher (86/100 vs 79/100). In the "performance" category, the OnePlus 15T leads (98/100 vs 83/100). In the "battery" category, the OnePlus 15T leads (84/100 vs 64/100). In the "performance" category, the OnePlus 15T notably outperforms the Vivo S21 Pro (98/100 vs 83/100). In the "display" category, the OnePlus 15T and the Vivo S21 Pro are nearly equal (89/100 vs 85/100). In the "camera" category, the Vivo S21 Pro and the OnePlus 15T are nearly equal (81/100 vs 78/100). In the "battery" category, the OnePlus 15T notably outperforms the Vivo S21 Pro (84/100 vs 64/100).
Specs comparison
| Specification | OnePlus 15T | Vivo S21 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9300+ | |
| AnTuTu | 3927976 | 2348248 | |
| Geekbench Single | 3639 | 2249 | |
| Geekbench Multi | 11047 | 7352 | |
| Display | 6.8" LTPO AMOLED | 6.7" AMOLED | |
| Resolution | 3168x1440 | 1260x2800 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6400 mAh | 5500 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB | 512GB | |
| OS | Android 16 | Android 15, OriginOS 5 | |
| Brightness (peak) | 3600 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 150.6×71.8×8.4 mm | — | |
| Weight | 206 g | — | |
| Launch price | $799 | — |
Camera comparison
OnePlus 15T
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo S21 Pro
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
OnePlus 15T
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Vivo S21 Pro
- 6.7" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15T
- 6400 mAh
- Wired: 100W
- Wireless: 50W
Vivo S21 Pro
- 5500 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared OnePlus 15T and Vivo S21 Pro, covering their specs and all relevant benchmarks.
OnePlus 15T leads Vivo S21 Pro by 67.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo S21 Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus 15T notably outperforms the Vivo S21 Pro (98/100 vs 83/100).
display
In the "display" category, the OnePlus 15T and the Vivo S21 Pro are nearly equal (89/100 vs 85/100).
camera
In the "camera" category, the Vivo S21 Pro and the OnePlus 15T are nearly equal (81/100 vs 78/100).
battery
In the "battery" category, the OnePlus 15T notably outperforms the Vivo S21 Pro (84/100 vs 64/100).
Frequently asked questions
Which is better: the OnePlus 15T or the Vivo S21 Pro?
The OnePlus 15T edges out the Vivo S21 Pro by just 7 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15T and the Vivo S21 Pro?
The OnePlus 15T has a MobileRank rating of 86/100, the Vivo S21 Pro — 79/100.
Which is more powerful: the OnePlus 15T or the Vivo S21 Pro?
The OnePlus 15T leads on performance (98/100 vs 83/100).
Should you choose the OnePlus 15T over the Vivo S21 Pro?
The OnePlus 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo S21 Pro is a better fit for gamers and power users, mobile photography enthusiasts.