Redmi K90 vs vivo X100 Ultra
84.3Performance64.4
65.4Display67.6
53.1Camera75.8
83.2Battery75.5
86.7Features86.7
5 spec wins — Redmi K906 spec wins — vivo X100 Ultra
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 71.8, pulling ahead mainly in performance (+20) and battery (+8). vivo X100 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 battery score: 83 vs 76
- 29% higher capacity: 7,100 mAh vs 5,500 mAh
- 25% higher Wired charging: 100 W vs 80 W
- 17% higher Peak brightness: 3,500 nits vs 3,000 nits
Reasons to pick the vivo X100 Ultra
- Stronger camera score: 76 vs 53
- 525% higher ultra-wide: 50 MP vs 8 MP
- 300% higher telephoto: 200 MP vs 50 MP
- 150% higher Front camera: 50 MP vs 20 MP
- 48% higher Optical zoom: 3.7 x vs 2.5 x
Display
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.78 ″+3% |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 2510x1156 | 1440x3200 |
| Pixel density | 419 ppi | 517 ppi+23% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,500 nits+17% | 3,000 nits |
| Screen-to-body | 89.8 % | 89.8 % |
Performance
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 3 |
| 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 | UFS 4.0 |
Camera
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.88 | f/1.75 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | 50 MP | 200 MP+300% |
| Optical zoom | 2.5 x | 3.7 x+48% |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 20 MP | 50 MP+150% |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| Capacity | 7,100 mAh+29% | 5,500 mAh |
| Wired charging | 100 W+25% | 80 W |
| Wireless charging | — | 30 W |
| Active use endurance | — | 12.9 h |
Design
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| Weight | 206 g+10% | 229 g |
| Thickness | 8 mm+13% | 9.2 mm |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | No |
Software
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 14 (OriginOS 4) |
Audio
| Spec | Redmi K90 | vivo X100 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |