Samsung Galaxy S21 vs Vivo X300s
The Samsung Galaxy S21 (2021) runs on the Samsung Exynos 2100, while the Vivo X300s (2026) runs on the Dimensity 9500; launch prices were $799 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 55/100 (a 34-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 4000); the main camera is 12 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 1,081,778); the Samsung Galaxy S21 is noticeably lighter (169g vs 217g).
Profile comparison
Category scores
Samsung Galaxy S21
Vivo X300s
What makes Samsung Galaxy S21 better?
- Lighter: 169g vs 217g
- Better portability (79/100 vs 42/100)
What makes Vivo X300s better?
- Higher AnTuTu: 3703823 vs 1081778
- Better Geekbench Single: 3293 vs 1435
- Better Geekbench Multi: 10243 vs 3555
- Bigger battery: 7100 vs 4000 mAh
- Faster charging: 90W vs 25W
- Better main camera: 200MP vs 12MP
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 40W vs 15W
- Cheaper at launch: $723 vs $799
- Higher performance (95/100 vs 63/100)
- Better camera (94/100 vs 42/100)
- Longer battery life (83/100 vs 31/100)
- Better display (94/100 vs 82/100)
Comparison verdict
Comparing the Samsung Galaxy S21 vs the Vivo X300s, the Vivo X300s scores 34 points higher (89/100 vs 55/100). In the "performance" category, the Vivo X300s leads (95/100 vs 63/100). In the "camera" category, the Vivo X300s leads (94/100 vs 42/100). In the "battery" category, the Vivo X300s leads (83/100 vs 31/100). Value score: Samsung Galaxy S21 — 24/100, Vivo X300s — 92/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo X300s significantly outperforms the Samsung Galaxy S21 (95/100 vs 63/100). In the "display" category, the Vivo X300s is a bit better (94/100 vs 82/100). In the "camera" category, the Vivo X300s significantly outperforms the Samsung Galaxy S21 (94/100 vs 42/100). In the "battery" category, the Vivo X300s significantly outperforms the Samsung Galaxy S21 (83/100 vs 31/100). In the "portability" category, the Samsung Galaxy S21 significantly outperforms the Vivo X300s (79/100 vs 42/100).
Specs comparison
| Specification | Samsung Galaxy S21 | Vivo X300s | |
|---|---|---|---|
| Processor | Samsung Exynos 2100 | Dimensity 9500 | |
| AnTuTu | 1081778 | 3703823 | |
| Geekbench Single | 1435 | 3293 | |
| Geekbench Multi | 3555 | 10243 | |
| Display | 6.2" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 2800x1260 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4000 mAh | 7100 mAh | |
| Charging | 25W | 90W | |
| Wireless charging | 15W | 40W | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 64 MP | 50 MP | |
| Front camera | 10 MP | 50 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11, One UI 3.1 | Android 16 / OriginOS 6 | |
| Brightness (peak) | 1300 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 161.5×75.6×7.8 mm | — | |
| Weight | 169 g | 217 g | |
| Launch price | $799 | $723 |
Camera comparison
Samsung Galaxy S21
- Main: 12MP f/1.8
- Ultrawide: 12MP
- Telephoto: 64MP
- Front: 10MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Samsung Galaxy S21
- 6.2" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy S21
- 4000 mAh
- Wired: 25W
- Wireless: 15W
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Samsung Galaxy S21 and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo X300s leads Samsung Galaxy S21 by 70.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $76. Vivo X300s was $76 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300s significantly outperforms the Samsung Galaxy S21 (95/100 vs 63/100).
display
In the "display" category, the Vivo X300s is a bit better (94/100 vs 82/100).
camera
In the "camera" category, the Vivo X300s significantly outperforms the Samsung Galaxy S21 (94/100 vs 42/100).
battery
In the "battery" category, the Vivo X300s significantly outperforms the Samsung Galaxy S21 (83/100 vs 31/100).
portability
In the "portability" category, the Samsung Galaxy S21 significantly outperforms the Vivo X300s (79/100 vs 42/100).
Frequently asked questions
Which is better: the Samsung Galaxy S21 or the Vivo X300s?
The Vivo X300s significantly outperforms the Samsung Galaxy S21 by 34 points (89/100 vs 55/100).
What is the rating of the Samsung Galaxy S21 and the Vivo X300s?
The Samsung Galaxy S21 has a MobileRank rating of 55/100, the Vivo X300s — 89/100.
Which has the better camera: the Samsung Galaxy S21 or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 42/100).
Which is more powerful: the Samsung Galaxy S21 or the Vivo X300s?
The Vivo X300s leads on performance (95/100 vs 63/100).
Should you choose the Samsung Galaxy S21 over the Vivo X300s?
The Samsung Galaxy S21 is a better fit for active users. The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.