Samsung Galaxy A51 vs Vivo X300 Ultra
The Samsung Galaxy A51 (2020) runs on the Exynos 9611, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $399 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 34/100 (a 57-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4000); the main camera is 48 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 355,351); the Samsung Galaxy A51 is noticeably lighter (172g vs 230g).
Samsung Galaxy A51
Vivo X300 Ultra
- Lighter: 172g vs 230g
- Cheaper at launch: $399 vs $950
- Better portability (77/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 355351
- Better Geekbench Single: 3640 vs 365
- Better Geekbench Multi: 11033 vs 1107
- Bigger battery: 7000 vs 4000 mAh
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (99/100 vs 25/100)
- Better camera (96/100 vs 36/100)
- Longer battery life (85/100 vs 25/100)
- Better display (89/100 vs 51/100)
Comparing the Samsung Galaxy A51 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 57 points higher (91/100 vs 34/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 25/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 36/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 25/100). Value score: Samsung Galaxy A51 — 6/100, 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 A51 (99/100 vs 25/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 (89/100 vs 51/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 (96/100 vs 36/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 (85/100 vs 25/100). In the "portability" category, the Samsung Galaxy A51 significantly outperforms the Vivo X300 Ultra (77/100 vs 39/100).
| Specification | Samsung Galaxy A51 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Exynos 9611 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 355351 | 4247433 | |
| Geekbench Single | 365 | 3640 | |
| Geekbench Multi | 1107 | 11033 | |
| Display | 6.5" AMOLED | 6.8" LTPO OLED | |
| Resolution | — | 3168x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 158.5×73.6×7.9 mm | 163.0×76.8×8.2 mm | |
| Weight | 172 g | 230 g | |
| Launch price | $399 | $950 |
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared Samsung Galaxy A51 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Samsung Galaxy A51 by 91.6% in our overall performance rating.
Launch price difference: $551. Samsung Galaxy A51 was $551 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 (99/100 vs 25/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 (89/100 vs 51/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 (96/100 vs 36/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 (85/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A51 significantly outperforms the Vivo X300 Ultra (77/100 vs 39/100).
Which is better: the Samsung Galaxy A51 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Samsung Galaxy A51 by 57 points (91/100 vs 34/100).
What is the rating of the Samsung Galaxy A51 and the Vivo X300 Ultra?
The Samsung Galaxy A51 has a MobileRank rating of 34/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Samsung Galaxy A51 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 36/100).
Which is more powerful: the Samsung Galaxy A51 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 25/100).
Should you choose the Samsung Galaxy A51 over the Vivo X300 Ultra?
The Samsung Galaxy A51 is a better fit for everyday use. 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.