Samsung Galaxy S21 vs Vivo X300 Ultra
The Samsung Galaxy S21 (2021) runs on the Samsung Exynos 2100, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $799 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 55/100 (a 36-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4000); the main camera is 12 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,074,811); the Samsung Galaxy S21 is noticeably lighter (169g vs 230g).
Samsung Galaxy S21
Vivo X300 Ultra
- Lighter: 169g vs 230g
- Cheaper at launch: $799 vs $950
- Better portability (79/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 1074811
- Better Geekbench Single: 3640 vs 1435
- Better Geekbench Multi: 11033 vs 3555
- Bigger battery: 7000 vs 4000 mAh
- Faster charging: 100W vs 25W
- Better main camera: 200MP vs 12MP
- Faster wireless charging: 40W vs 15W
- Higher performance (99/100 vs 63/100)
- Better camera (96/100 vs 42/100)
- Longer battery life (85/100 vs 31/100)
- Better display (89/100 vs 82/100)
Comparing the Samsung Galaxy S21 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 36 points higher (91/100 vs 55/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 63/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 42/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 31/100). Value score: Samsung Galaxy S21 — 22/100, Vivo X300 Ultra — 94/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy S21 (99/100 vs 63/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 82/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy S21 (96/100 vs 42/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy S21 (85/100 vs 31/100). In the "portability" category, the Samsung Galaxy S21 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
| Specification | Samsung Galaxy S21 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1074811 | 4247433 | |
| Geekbench Single | 1435 | 3640 | |
| Geekbench Multi | 3555 | 11033 | |
| Display | 6.2" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2400 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | 25W | 100W | |
| Wireless charging | 15W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 64 MP | 200 MP | |
| Front camera | 10 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11, One UI 3.1 | Android 16 | |
| Brightness (peak) | 1300 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 161.5×75.6×7.8 mm | 163.0×76.8×8.2 mm | |
| Weight | 169 g | 230 g | |
| Launch price | $799 | $950 |
Samsung Galaxy S21
- Main: 12MP
- Ultrawide: 12MP
- Telephoto: 64MP
- Front: 10MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Samsung Galaxy S21
- 6.2" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Samsung Galaxy S21
- 4000 mAh
- Wired: 25W
- Wireless: 15W
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared Samsung Galaxy S21 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Samsung Galaxy S21 by 74.7% in our overall performance rating.
Launch price difference: $151. Samsung Galaxy S21 was $151 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy S21 (99/100 vs 63/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 82/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy S21 (96/100 vs 42/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy S21 (85/100 vs 31/100).
portability
In the "portability" category, the Samsung Galaxy S21 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
Which is better: the Samsung Galaxy S21 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Samsung Galaxy S21 by 36 points (91/100 vs 55/100).
What is the rating of the Samsung Galaxy S21 and the Vivo X300 Ultra?
The Samsung Galaxy S21 has a MobileRank rating of 55/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Samsung Galaxy S21 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 42/100).
Which is more powerful: the Samsung Galaxy S21 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 63/100).
Should you choose the Samsung Galaxy S21 over the Vivo X300 Ultra?
The Samsung Galaxy S21 is a better fit for active users. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.