Redmi 15 4G vs Samsung Galaxy Z Fold8 Ultra
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Samsung Galaxy Z Fold8 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5; estimated prices are $135 and $2199. By overall MobileRank rating, the Samsung Galaxy Z Fold8 Ultra leads — 71/100 vs 32/100 (a 39-point difference). Key differences: the Redmi 15 4G 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 (3,942,923 vs 467,392); the Samsung Galaxy Z Fold8 Ultra is thinner (4.1mm vs 8.6mm).
Redmi 15 4G
Samsung Galaxy Z Fold8 Ultra
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper: $135 vs $2199
- Longer battery life (53/100 vs 51/100)
- Better value for money (100/100 vs 0/100)
- 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 50MP
- Lighter: 215g vs 224g
- Higher performance (92/100 vs 0/100)
- Better camera (64/100 vs 24/100)
- Better design/ergonomics (31/100 vs 20/100)
Comparing the Redmi 15 4G vs the Samsung Galaxy Z Fold8 Ultra, the Samsung Galaxy Z Fold8 Ultra scores 39 points higher (71/100 vs 32/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (92/100 vs 0/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (64/100 vs 24/100). In the "value for money" category, the Redmi 15 4G leads (100/100 vs 0/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 4G (92/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 4G (64/100 vs 24/100). In the "battery" category, the Redmi 15 4G and the Samsung Galaxy Z Fold8 Ultra are nearly equal (53/100 vs 51/100). In the "design" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (31/100 vs 20/100). In the "value for money" category, the Redmi 15 4G significantly outperforms the Samsung Galaxy Z Fold8 Ultra (100/100 vs 0/100).
| Specification | Redmi 15 4G | 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 | 6.9" IPS LCD | 8.0" Foldable Dynamic LTPO AMOLED 2X | |
| Resolution | 1080x2340 | 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 | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2 | Android 16 / One UI 8.5 | |
| NFC | yes | yes | |
| Protection | IP64 | IP48 | |
| Dimensions | 171.1×82.1×8.6 mm | — | |
| Weight | 224 g | 215 g | |
| Price | $135 | $2199 |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Samsung Galaxy Z Fold8 Ultra
- 8.0" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
We compared Redmi 15 4G and Samsung Galaxy Z Fold8 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 Ultra leads Redmi 15 4G by 88.1% in our overall performance rating.
Price difference: $2064. Redmi 15 4G is cheaper by $2064.
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 4G (92/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 4G (64/100 vs 24/100).
battery
In the "battery" category, the Redmi 15 4G and the Samsung Galaxy Z Fold8 Ultra are nearly equal (53/100 vs 51/100).
design
In the "design" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (31/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G significantly outperforms the Samsung Galaxy Z Fold8 Ultra (100/100 vs 0/100).
Which is better: the Redmi 15 4G or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi 15 4G by 39 points (71/100 vs 32/100).
What is the rating of the Redmi 15 4G and the Samsung Galaxy Z Fold8 Ultra?
The Redmi 15 4G has a MobileRank rating of 32/100, the Samsung Galaxy Z Fold8 Ultra — 71/100.
Which has the better camera: the Redmi 15 4G or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on camera score (64/100 vs 24/100).
Which is more powerful: the Redmi 15 4G or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on performance (92/100 vs 0/100).
Should you choose the Redmi 15 4G over the Samsung Galaxy Z Fold8 Ultra?
The Redmi 15 4G is a better fit for budget-conscious buyers. The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users.