REDMI K80 Ultra vs Xiaomi 18 Fold
64.4Performance91.6
71.6Display67
43.4Camera71.9
83.2Battery76.6
86.7Features86.7
6 spec wins — REDMI K80 Ultra6 spec wins — Xiaomi 18 Fold
InnoReviews verdict
Xiaomi 18 Fold wins this phone face-off, 79.3 to 67.6, pulling ahead mainly in camera (+29) and performance (+27). REDMI K80 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 K80 Ultra
- Stronger display score: 72 vs 67
- Stronger battery score: 83 vs 77
- 49% higher Wired charging: 100 W vs 67 W
- 25% higher Front camera: 20 MP vs 16 MP
- 24% higher capacity: 7,410 mAh vs 6,000 mAh
Reasons to pick the Xiaomi 18 Fold
- Stronger performance score: 92 vs 64
- Stronger camera score: 72 vs 43
- 525% higher ultra-wide: 50 MP vs 8 MP
- 300% higher Main camera: 200 MP vs 50 MP
- 25% higher Peak brightness: 4,000 nits vs 3,200 nits
Display
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Screen size | 6.83 ″ | 7.58 ″+11% |
| Panel type | OLED | Foldable LTPO AMOLED |
| Resolution | 1280x2772 | 2364x1672 |
| Pixel density | 447 ppi+17% | 382 ppi |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 3,200 nits | 4,000 nits+25% |
| Screen-to-body | 90.2 % | 90.6 % |
Performance
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Chipset | MediaTek Dimensity 9400+ | Xiaomi XRing O3 |
| AnTuTu | — | 4,811,636 |
| Geekbench 6 (single) | — | 3,448Top 7% |
| Geekbench 6 (multi) | — | 12,758Top 1% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256/512GB/1TB | 256/512GB/1TB |
| Storage type | UFS 4.1 | UFS 4.1 |
Camera
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.9 | f/1.7 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | — | 50 MP |
| Optical zoom | — | 3.5 x |
| Max video | 8K@30fps | 8K@24fps |
| Front camera | 20 MP+25% | 16 MP |
| OIS | Yes | Yes |
Battery
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Capacity | 7,410 mAh+24% | 6,000 mAh |
| Wired charging | 100 W+49% | 67 W |
| Wireless charging | 0 W | 50 W |
Design
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Weight | 219 g | 219 g |
| Thickness | 8.2 mm+24% | 10.7 mm |
| IP rating | IP68 | IP58/IP59 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | No |
Software
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 17 (HyperOS 4) |
Audio
| Spec | REDMI K80 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |