Redmi K90 vs Samsung Galaxy Z Fold8 Ultra
84.3Performance64.4
65.4Display60.8
53.1Camera63.7
83.2Battery56
86.7Features60
7 spec wins — Redmi K906 spec wins — Samsung Galaxy Z Fold8 Ultra
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 61.4, pulling ahead mainly in battery (+27) and features (+27). Samsung Galaxy Z Fold8 Ultra still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi K90
- Stronger performance score: 84 vs 64
- Stronger display score: 65 vs 61
- Stronger battery score: 83 vs 56
- Stronger features score: 87 vs 60
- 400% higher telephoto: 50 MP vs 10 MP
Reasons to pick the Samsung Galaxy Z Fold8 Ultra
- Stronger camera score: 64 vs 53
- 525% higher ultra-wide: 50 MP vs 8 MP
- 300% higher Main camera: 200 MP vs 50 MP
- 21% higher Screen size: 8 ″ vs 6.59 ″
- 20% higher Optical zoom: 3 x vs 2.5 x
Display
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 8 ″+21% |
| Panel type | AMOLED | Foldable Dynamic AMOLED 2X |
| Resolution | 2510x1156 | 2504x2256 |
| Pixel density | 419 ppi | 422 ppi+1% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,500 nits+17% | 3,000 nits |
| Screen-to-body | 89.8 % | — |
Performance
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 for Galaxy |
| AnTuTu | 3,106,623Top 11% | — |
| AnTuTu 11 (CPU) | 872,376Top 15% | — |
| AnTuTu 11 (GPU) | 1,143,259Top 13% | — |
| AnTuTu 11 (Memory) | 462,601Top 6% | — |
| AnTuTu 11 (UX) | 628,387Top 13% | — |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256GB / 512GB / 1TB | 256/512GB/1TB |
| Storage type | UFS | — |
Camera
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.88 | f/1.7 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | 50 MP+400% | 10 MP |
| Optical zoom | 2.5 x | 3 x+20% |
| Max video | 8K@30fps | 8K |
| Front camera | 20 MP+100% | 10 MP |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| Capacity | 7,100 mAh+42% | 5,000 mAh |
| Wired charging | 100 W+122% | 45 W |
| Wireless charging | — | 20 W |
Design
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| Weight | 206 g+4% | 215 g |
| Thickness | 8 mm+10% | 8.9 mm |
| IP rating | IP68 | IP48 |
| Frame material | Aluminum | Armor Aluminum |
Connectivity
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| NFC | Yes | — |
| USB | USB-C | USB-C |
| eSIM | No | Yes |
Software
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 17 (One UI 9) |
Audio
| Spec | Redmi K90 | Samsung Galaxy Z Fold8 Ultra |
|---|---|---|
| Stereo speakers | Yes | — |
| 3.5mm jack | No | — |
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