Redmi 15 vs Samsung Galaxy Z Fold8 Ultra
The Redmi 15 (2026) 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 — 79/100 vs 45/100 (a 34-point difference). Key differences: the Redmi 15 has the bigger battery (5500 mAh vs 5000); the main camera is 108 MP vs 200 MP; the Samsung Galaxy Z Fold8 Ultra is faster in AnTuTu (3,942,923 vs 467,392); the Redmi 15 is noticeably lighter (195g vs 215g).
Redmi 15
Samsung Galaxy Z Fold8 Ultra
- Bigger battery: 5500 vs 5000 mAh
- Lighter: 195g vs 215g
- Cheaper at launch: $180 vs $2199
- Overall rating 45/100
- Higher AnTuTu: 3942923 vs 467392
- Better Geekbench Single: 3640 vs 466
- Better Geekbench Multi: 11033 vs 1396
- Faster charging: 60W vs 33W
- Better main camera: 200MP vs 108MP
- Higher performance (98/100 vs 33/100)
- Better camera (67/100 vs 40/100)
- Longer battery life (61/100 vs 52/100)
- Better portability (66/100 vs 57/100)
Comparing the Redmi 15 vs the Samsung Galaxy Z Fold8 Ultra, the Samsung Galaxy Z Fold8 Ultra scores 34 points higher (79/100 vs 45/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (98/100 vs 33/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (67/100 vs 40/100). Value score: Redmi 15 — 58/100, Samsung Galaxy Z Fold8 Ultra — 62/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 (98/100 vs 33/100). In the "display" category, both devices are on the same level — 78/100. In the "camera" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Redmi 15 (67/100 vs 40/100). In the "battery" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (61/100 vs 52/100). In the "portability" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (66/100 vs 57/100).
| Specification | Redmi 15 | Samsung Galaxy Z Fold8 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 467392 | 3942923 | |
| Geekbench Single | 466 | 3640 | |
| Geekbench Multi | 1396 | 11033 | |
| Display | 6.8" AMOLED | 8.0" Foldable Dynamic LTPO AMOLED 2X | |
| Resolution | 1080x2340 | 1968x2184 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 5000 mAh | |
| Charging | 33W | 60W | |
| Wireless charging | 0W | 25W | |
| Main camera | 108 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 13 MP | 10 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2.2 | 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 | 195 g | 215 g | |
| Launch price | $180 | $2199 |
Redmi 15
- Main: 108MP
- Front: 13MP
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Redmi 15
- 6.8" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Samsung Galaxy Z Fold8 Ultra
- 8.0" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Redmi 15
- 5500 mAh
- Wired: 33W
- No wireless charging
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
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 88.1% in our overall performance rating.
Launch price difference: $2019. Redmi 15 was $2019 cheaper at launch.
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 (98/100 vs 33/100).
display
In the "display" category, both devices are on the same level — 78/100.
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Redmi 15 (67/100 vs 40/100).
battery
In the "battery" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (61/100 vs 52/100).
portability
In the "portability" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (66/100 vs 57/100).
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 (79/100 vs 45/100).
What is the rating of the Redmi 15 and the Samsung Galaxy Z Fold8 Ultra?
The Redmi 15 has a MobileRank rating of 45/100, the Samsung Galaxy Z Fold8 Ultra — 79/100.
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 40/100).
Which is more powerful: the Redmi 15 or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on performance (98/100 vs 33/100).
Should you choose the Redmi 15 over the Samsung Galaxy Z Fold8 Ultra?
The Redmi 15 is a better fit for everyday use. The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users.