Samsung Galaxy A51 vs Samsung Galaxy S25+
The Samsung Galaxy A51 (2020) runs on the Exynos 9611, while the Samsung Galaxy S25+ (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $399 and $999. By overall MobileRank rating, the Samsung Galaxy S25+ leads — 71/100 vs 34/100 (a 37-point difference). Key differences: the Samsung Galaxy S25+ has the bigger battery (4900 mAh vs 4000); the main camera is 48 MP vs 50 MP; the Samsung Galaxy S25+ is faster in AnTuTu (3,219,688 vs 355,351); the Samsung Galaxy A51 is noticeably lighter (172g vs 190g).
Profile comparison
Category scores
Samsung Galaxy A51
Samsung Galaxy S25+
What makes Samsung Galaxy A51 better?
- Lighter: 172g vs 190g
- Cheaper at launch: $399 vs $999
- Better portability (77/100 vs 72/100)
What makes Samsung Galaxy S25+ better?
- Higher AnTuTu: 3219688 vs 355351
- Better Geekbench Single: 3050 vs 365
- Better Geekbench Multi: 9700 vs 1107
- Bigger battery: 4900 vs 4000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (92/100 vs 25/100)
- Better camera (40/100 vs 36/100)
- Longer battery life (54/100 vs 25/100)
- Better display (89/100 vs 51/100)
Comparison verdict
Comparing the Samsung Galaxy A51 vs the Samsung Galaxy S25+, the Samsung Galaxy S25+ scores 37 points higher (71/100 vs 34/100). In the "performance" category, the Samsung Galaxy S25+ leads (92/100 vs 25/100). In the "battery" category, the Samsung Galaxy S25+ leads (54/100 vs 25/100). Value score: Samsung Galaxy A51 — 0/100, Samsung Galaxy S25+ — 52/100; 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 Samsung Galaxy S25+ significantly outperforms the Samsung Galaxy A51 (92/100 vs 25/100). In the "display" category, the Samsung Galaxy S25+ significantly outperforms the Samsung Galaxy A51 (89/100 vs 51/100). In the "camera" category, the Samsung Galaxy S25+ and the Samsung Galaxy A51 are nearly equal (40/100 vs 36/100). In the "battery" category, the Samsung Galaxy S25+ notably outperforms the Samsung Galaxy A51 (54/100 vs 25/100). In the "portability" category, the Samsung Galaxy A51 is a bit better (77/100 vs 72/100).
Specs comparison
| Specification | Samsung Galaxy A51 | Samsung Galaxy S25+ | |
|---|---|---|---|
| Processor | Exynos 9611 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 355351 | 3219688 | |
| Geekbench Single | 365 | 3050 | |
| Geekbench Multi | 1107 | 9700 | |
| Display | 6.5" AMOLED | 6.7" Dynamic AMOLED 2X | |
| Resolution | — | 3120x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 4000 mAh | 4900 mAh | |
| Charging | — | 45W | |
| Wireless charging | 0W | 15W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 0 MP | 12 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 32 MP | 12 MP | |
| RAM | 4GB / 6GB | 12GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | — | Android 15 / One UI 7 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 158.5×73.6×7.9 mm | 158.4×75.8×7.3 mm | |
| Weight | 172 g | 190 g | |
| Launch price | $399 | $999 |
Camera comparison
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
Samsung Galaxy S25+
- Main: 50MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 12MP
Display comparison
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
Samsung Galaxy S25+
- 6.7" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
Samsung Galaxy S25+
- 4900 mAh
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared Samsung Galaxy A51 and Samsung Galaxy S25+, covering their specs and all relevant benchmarks.
Samsung Galaxy S25+ leads Samsung Galaxy A51 by 89.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $600. Samsung Galaxy A51 was $600 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25+ significantly outperforms the Samsung Galaxy A51 (92/100 vs 25/100).
display
In the "display" category, the Samsung Galaxy S25+ significantly outperforms the Samsung Galaxy A51 (89/100 vs 51/100).
camera
In the "camera" category, the Samsung Galaxy S25+ and the Samsung Galaxy A51 are nearly equal (40/100 vs 36/100).
battery
In the "battery" category, the Samsung Galaxy S25+ notably outperforms the Samsung Galaxy A51 (54/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A51 is a bit better (77/100 vs 72/100).
Frequently asked questions
Which is better: the Samsung Galaxy A51 or the Samsung Galaxy S25+?
The Samsung Galaxy S25+ significantly outperforms the Samsung Galaxy A51 by 37 points (71/100 vs 34/100).
What is the rating of the Samsung Galaxy A51 and the Samsung Galaxy S25+?
The Samsung Galaxy A51 has a MobileRank rating of 34/100, the Samsung Galaxy S25+ — 71/100.
Which is more powerful: the Samsung Galaxy A51 or the Samsung Galaxy S25+?
The Samsung Galaxy S25+ leads on performance (92/100 vs 25/100).
Should you choose the Samsung Galaxy A51 over the Samsung Galaxy S25+?
The Samsung Galaxy S25+ is a better fit for gamers and power users.