Samsung Galaxy A51 vs Samsung Galaxy Z Fold8 Ultra
The Samsung Galaxy A51 (2020) runs on the Exynos 9611, while the Samsung Galaxy Z Fold8 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5; launch prices were $399 and $2199. By overall MobileRank rating, the Samsung Galaxy Z Fold8 Ultra leads — 78/100 vs 34/100 (a 44-point difference). Key differences: the Samsung Galaxy Z Fold8 Ultra has the bigger battery (5000 mAh vs 4000); the main camera is 48 MP vs 200 MP; the Samsung Galaxy Z Fold8 Ultra is faster in AnTuTu (3,453,998 vs 355,351); the Samsung Galaxy A51 is noticeably lighter (172g vs 215g).
Profile comparison
Category scores
Samsung Galaxy A51
Samsung Galaxy Z Fold8 Ultra
What makes Samsung Galaxy A51 better?
- Lighter: 172g vs 215g
- Cheaper at launch: $399 vs $2199
- Better portability (77/100 vs 66/100)
What makes Samsung Galaxy Z Fold8 Ultra better?
- Higher AnTuTu: 3453998 vs 355351
- Better Geekbench Single: 3639 vs 365
- Better Geekbench Multi: 11047 vs 1107
- Bigger battery: 5000 vs 4000 mAh
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (96/100 vs 25/100)
- Better camera (67/100 vs 36/100)
- Longer battery life (61/100 vs 25/100)
- Better display (78/100 vs 51/100)
Comparison verdict
Comparing the Samsung Galaxy A51 vs the Samsung Galaxy Z Fold8 Ultra, the Samsung Galaxy Z Fold8 Ultra scores 44 points higher (78/100 vs 34/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (96/100 vs 25/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (67/100 vs 36/100). In the "battery" category, the Samsung Galaxy Z Fold8 Ultra leads (61/100 vs 25/100). Value score: Samsung Galaxy A51 — 0/100, Samsung Galaxy Z Fold8 Ultra — 64/100; 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 Z Fold8 Ultra significantly outperforms the Samsung Galaxy A51 (96/100 vs 25/100). In the "display" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Samsung Galaxy A51 (78/100 vs 51/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Samsung Galaxy A51 (67/100 vs 36/100). In the "battery" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Samsung Galaxy A51 (61/100 vs 25/100). In the "portability" category, the Samsung Galaxy A51 is a bit better (77/100 vs 66/100).
Specs comparison
| Specification | Samsung Galaxy A51 | Samsung Galaxy Z Fold8 Ultra | |
|---|---|---|---|
| Processor | Exynos 9611 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 355351 | 3453998 | |
| Geekbench Single | 365 | 3639 | |
| Geekbench Multi | 1107 | 11047 | |
| Display | 6.5" AMOLED | 8.0" Foldable Dynamic LTPO AMOLED 2X | |
| Resolution | — | 1968x2184 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 4000 mAh | 5000 mAh | |
| Charging | — | 60W | |
| Wireless charging | 0W | 25W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 32 MP | 10 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 / One UI 8.5 | |
| NFC | yes | yes | |
| Protection | — | IP48 | |
| Dimensions | 158.5×73.6×7.9 mm | — | |
| Weight | 172 g | 215 g | |
| Launch price | $399 | $2199 |
Camera comparison
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Display comparison
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
Samsung Galaxy Z Fold8 Ultra
- 8.0" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Battery and charging
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
Overall performance score
We compared Samsung Galaxy A51 and Samsung Galaxy Z Fold8 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 Ultra leads Samsung Galaxy A51 by 89.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1800. Samsung Galaxy A51 was $1800 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Samsung Galaxy A51 (96/100 vs 25/100).
display
In the "display" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Samsung Galaxy A51 (78/100 vs 51/100).
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Samsung Galaxy A51 (67/100 vs 36/100).
battery
In the "battery" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Samsung Galaxy A51 (61/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A51 is a bit better (77/100 vs 66/100).
Frequently asked questions
Which is better: the Samsung Galaxy A51 or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra significantly outperforms the Samsung Galaxy A51 by 44 points (78/100 vs 34/100).
What is the rating of the Samsung Galaxy A51 and the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy A51 has a MobileRank rating of 34/100, the Samsung Galaxy Z Fold8 Ultra — 78/100.
Which has the better camera: the Samsung Galaxy A51 or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on camera score (67/100 vs 36/100).
Which is more powerful: the Samsung Galaxy A51 or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on performance (96/100 vs 25/100).
Should you choose the Samsung Galaxy A51 over the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users.