Realme 15x vs Samsung Galaxy Z Fold8 Ultra
The Realme 15x (2025) runs on the MediaTek Dimensity 6300, while the Samsung Galaxy Z Fold8 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5; launch prices were $250 and $2199. By overall MobileRank rating, the Samsung Galaxy Z Fold8 Ultra leads — 78/100 vs 51/100 (a 27-point difference). Key differences: the Realme 15x has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy Z Fold8 Ultra is faster in AnTuTu (3,453,998 vs 528,398); the Samsung Galaxy Z Fold8 Ultra has NFC for contactless payments, the Realme 15x doesn't; the Samsung Galaxy Z Fold8 Ultra is thinner (4.1mm vs 8.3mm).
Profile comparison
Category scores
Realme 15x
Samsung Galaxy Z Fold8 Ultra
What makes Realme 15x better?
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 212g vs 215g
- Cheaper at launch: $250 vs $2199
- Longer battery life (75/100 vs 61/100)
What makes Samsung Galaxy Z Fold8 Ultra better?
- Higher AnTuTu: 3453998 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Better main camera: 200MP vs 50MP
- Higher performance (96/100 vs 43/100)
- Better camera (67/100 vs 40/100)
- Better display (78/100 vs 65/100)
- Better portability (66/100 vs 49/100)
Comparison verdict
Comparing the Realme 15x vs the Samsung Galaxy Z Fold8 Ultra, the Samsung Galaxy Z Fold8 Ultra scores 27 points higher (78/100 vs 51/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (96/100 vs 43/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (67/100 vs 40/100). In the "battery" category, the Realme 15x leads (75/100 vs 61/100). Value score: Realme 15x — 52/100, 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 Realme 15x (96/100 vs 43/100). In the "display" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (78/100 vs 65/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Realme 15x (67/100 vs 40/100). In the "battery" category, the Realme 15x is a bit better (75/100 vs 61/100). In the "portability" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Realme 15x (66/100 vs 49/100).
Specs comparison
| Specification | Realme 15x | Samsung Galaxy Z Fold8 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 528398 | 3453998 | |
| Geekbench Single | 771 | 3639 | |
| Geekbench Multi | 1980 | 11047 | |
| Display | 6.8" IPS LCD | 8.0" Foldable Dynamic LTPO AMOLED 2X | |
| Resolution | 720x1570 | 1968x2184 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 60W | 60W | |
| Wireless charging | — | 25W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 50 MP | 10 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 1200 nits | — | |
| NFC | no | yes | |
| Protection | IP68/IP69 | IP48 | |
| Dimensions | 166.1×77.9×8.3 mm | — | |
| Weight | 212 g | 215 g | |
| Launch price | $250 | $2199 |
Camera comparison
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Display comparison
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Samsung Galaxy Z Fold8 Ultra
- 8.0" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Battery and charging
Realme 15x
- 7000 mAh
- Wired: 60W
- Wireless charging: no data
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
Overall performance score
We compared Realme 15x and Samsung Galaxy Z Fold8 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 Ultra leads Realme 15x by 84.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1949. Realme 15x was $1949 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Realme 15x (96/100 vs 43/100).
display
In the "display" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (78/100 vs 65/100).
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Realme 15x (67/100 vs 40/100).
battery
In the "battery" category, the Realme 15x is a bit better (75/100 vs 61/100).
portability
In the "portability" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Realme 15x (66/100 vs 49/100).
Frequently asked questions
Which is better: the Realme 15x or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra significantly outperforms the Realme 15x by 27 points (78/100 vs 51/100).
What is the rating of the Realme 15x and the Samsung Galaxy Z Fold8 Ultra?
The Realme 15x has a MobileRank rating of 51/100, the Samsung Galaxy Z Fold8 Ultra — 78/100.
Which has the better camera: the Realme 15x or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on camera score (67/100 vs 40/100).
Which is more powerful: the Realme 15x or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on performance (96/100 vs 43/100).
Should you choose the Realme 15x over the Samsung Galaxy Z Fold8 Ultra?
The Realme 15x is a better fit for those who care about battery life. The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users.