Redmi Note 9 vs vivo X100 Ultra
20Performance64.4
29.6Display67.6
29.8Camera75.8
39Battery75.5
28Features86.7
3 spec wins — Redmi Note 912 spec wins — vivo X100 Ultra
InnoReviews verdict
vivo X100 Ultra wins this phone face-off, 71.8 to 28.5, pulling ahead mainly in features (+59) and camera (+46). Redmi Note 9 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi Note 9
- 13% lower weight: 199 g vs 229 g
- Has 3.5mm jack — the other doesn't
Reasons to pick the vivo X100 Ultra
- Stronger performance score: 64 vs 20
- Stronger display score: 68 vs 30
- Stronger camera score: 76 vs 30
- Stronger battery score: 76 vs 39
- Stronger features score: 87 vs 28
Display
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| Screen size | 6.53 ″ | 6.78 ″+4% |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 2340x1080 | 1440x3200 |
| Pixel density | 394 ppi | 517 ppi+31% |
| Refresh rate | 60 Hz | 120 Hz+100% |
| Peak brightness | — | 3,000 nits |
| Screen-to-body | — | 89.8 % |
Performance
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| Chipset | MediaTek Helio G85 | Qualcomm Snapdragon 8 Gen 3 |
| AnTuTu | 270,000 | — |
| Geekbench 6 (single) | 420Bottom 5% | — |
| Geekbench 6 (multi) | 1,350Bottom 4% | — |
| RAM (max) | 4 GB | 16 GB+300% |
| Storage options | 64GB / 128GB | 256/512GB/1TB |
| Storage type | eMMC 5.1 | UFS 4.0 |
Camera
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| Main camera | 48 MP | 50 MP+4% |
| Main aperture | f/1.8 | f/1.75 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | — | 200 MP |
| Optical zoom | — | 3.7 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 13 MP | 50 MP+285% |
| OIS | No | Yes |
Battery
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| Capacity | 5,020 mAh | 5,500 mAh+10% |
| Wired charging | 18 W | 80 W+344% |
| Wireless charging | — | 30 W |
| Active use endurance | — | 12.9 h |
Design
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| Weight | 199 g+13% | 229 g |
| Thickness | 8.9 mm+4% | 9.2 mm |
| IP rating | — | IP68/IP69 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | No |
Software
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| OS at launch | Android 10 (MIUI 11) | Android 14 (OriginOS 4) |
| OS update pledge | 2 years | — |
Audio
| Spec | Redmi Note 9 | vivo X100 Ultra |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | Yes | No |