REDMI K90 Ultra vs REDMI Note 15 5G
64.4Performance35.3
78.7Display64
43.4Camera48.3
83.2Battery57.4
86.7Features70.7
7 spec wins — REDMI K90 Ultra4 spec wins — REDMI Note 15 5G
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 51.6, pulling ahead mainly in performance (+29) and battery (+26). REDMI Note 15 5G 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 Ultra
- Stronger performance score: 64 vs 35
- Stronger display score: 79 vs 64
- Stronger battery score: 83 vs 57
- Stronger features score: 87 vs 71
- 122% higher Wired charging: 100 W vs 45 W
Reasons to pick the REDMI Note 15 5G
- Stronger camera score: 48 vs 43
- 116% higher Main camera: 108 MP vs 50 MP
- 22% lower weight: 178 g vs 227 g
- 10% lower thickness: 7.4 mm vs 8.2 mm
Display
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| Screen size | 6.83 ″+1% | 6.77 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1280x2772 | 1080x2392 |
| Pixel density | 447 ppi+15% | 388 ppi |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | 3,500 nits+9% | 3,200 nits |
| Screen-to-body | 90.3 % | 92 %+2% |
Performance
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 6 Gen 3 |
| AnTuTu | — | 857,561 |
| Geekbench 6 (single) | — | 1,017Bottom 33% |
| Geekbench 6 (multi) | — | 2,963Bottom 39% |
| Wild Life Extreme stability | — | 100 %Top 13% |
| RAM (max) | 16 GB+33% | 12 GB |
| Storage options | 256/512GB | 128/256/512GB |
| Storage type | UFS 4.1 | UFS 2.2 |
Camera
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.7 | f/1.7 |
| Ultra-wide | 8 MP | 8 MP |
| Max video | 8K@30fps | 4K@30fps |
| Front camera | 20 MP | 20 MP |
| OIS | Yes | Yes |
Battery
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| Capacity | 8,550 mAh+55% | 5,520 mAh |
| Wired charging | 100 W+122% | 45 W |
| Wireless charging | — | 0 W |
Design
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| Weight | 227 g | 178 g+22% |
| Thickness | 8.2 mm | 7.4 mm+10% |
| IP rating | IP68/IP69 | IP65/IP66 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.1 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 15 (HyperOS 2) |
| OS update pledge | — | 4 years |
Audio
| Spec | REDMI K90 Ultra | REDMI Note 15 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |