Redmi 15 vs Samsung Galaxy Z Fold8 Ultra
The Redmi 15 (2025) runs on the Qualcomm Snapdragon 685, while the Samsung Galaxy Z Fold8 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5; launch prices were $180 and $2199. By overall MobileRank rating, the Samsung Galaxy Z Fold8 Ultra leads — 77/100 vs 43/100 (a 34-point difference). Key differences: the Redmi 15 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 476,175).
Profile comparison
Category scores
Redmi 15
Samsung Galaxy Z Fold8 Ultra
What makes Redmi 15 better?
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 214g vs 215g
- Cheaper at launch: $180 vs $2199
- Better portability (46/100 vs 44/100)
What makes Samsung Galaxy Z Fold8 Ultra better?
- Higher AnTuTu: 3453998 vs 476175
- Better Geekbench Single: 3639 vs 466
- Better Geekbench Multi: 11047 vs 1396
- Faster charging: 60W vs 33W
- Better main camera: 200MP vs 50MP
- Higher performance (96/100 vs 34/100)
- Better camera (67/100 vs 30/100)
- Longer battery life (61/100 vs 58/100)
- Better display (78/100 vs 74/100)
Comparison verdict
Comparing the Redmi 15 vs the Samsung Galaxy Z Fold8 Ultra, the Samsung Galaxy Z Fold8 Ultra scores 34 points higher (77/100 vs 43/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (96/100 vs 34/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (67/100 vs 30/100). Value score: Redmi 15 — 52/100, Samsung Galaxy Z Fold8 Ultra — 62/100; 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 Redmi 15 (96/100 vs 34/100). In the "display" category, the Samsung Galaxy Z Fold8 Ultra and the Redmi 15 are nearly equal (78/100 vs 74/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 (67/100 vs 30/100). In the "battery" category, the Samsung Galaxy Z Fold8 Ultra and the Redmi 15 are nearly equal (61/100 vs 58/100). In the "portability" category, the Redmi 15 and the Samsung Galaxy Z Fold8 Ultra are nearly equal (46/100 vs 44/100).
Specs comparison
| Specification | Redmi 15 | Samsung Galaxy Z Fold8 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 476175 | 3453998 | |
| Geekbench Single | 466 | 3639 | |
| Geekbench Multi | 1396 | 11047 | |
| Display | 6.9" IPS LCD | 8.0" Foldable Dynamic LTPO AMOLED 2X | |
| Resolution | 2340x1080 | 1968x2184 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 33W | 60W | |
| Wireless charging | 0W | 25W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 8 MP | 10 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Xiaomi HyperOS 2 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 850 nits | — | |
| NFC | yes | yes | |
| Protection | IP64 | IP48 | |
| Dimensions | 169.5×80.5×8.4 mm | — | |
| Weight | 214 g | 215 g | |
| Launch price | $180 | $2199 |
Camera comparison
Redmi 15
- Main: 50MP f/1.8
- Front: 8MP
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Display comparison
Redmi 15
- 6.9" IPS LCD
- Resolution: 2340x1080
- 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
Redmi 15
- 7000 mAh
- Wired: 33W
- No wireless charging
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
Overall performance score
We compared Redmi 15 and Samsung Galaxy Z Fold8 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 Ultra leads Redmi 15 by 86.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $2019. Redmi 15 was $2019 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 (96/100 vs 34/100).
display
In the "display" category, the Samsung Galaxy Z Fold8 Ultra and the Redmi 15 are nearly equal (78/100 vs 74/100).
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 (67/100 vs 30/100).
battery
In the "battery" category, the Samsung Galaxy Z Fold8 Ultra and the Redmi 15 are nearly equal (61/100 vs 58/100).
portability
In the "portability" category, the Redmi 15 and the Samsung Galaxy Z Fold8 Ultra are nearly equal (46/100 vs 44/100).
Frequently asked questions
Which is better: the Redmi 15 or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 by 34 points (77/100 vs 43/100).
What is the rating of the Redmi 15 and the Samsung Galaxy Z Fold8 Ultra?
The Redmi 15 has a MobileRank rating of 43/100, the Samsung Galaxy Z Fold8 Ultra — 77/100.
Which has the better camera: the Redmi 15 or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on camera score (67/100 vs 30/100).
Which is more powerful: the Redmi 15 or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on performance (96/100 vs 34/100).
Should you choose the Redmi 15 over the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users.