realme 15 5G vs vivo X100 Ultra
46.7Performance64.4
88.3Display67.6
49.8Camera75.8
79.8Battery75.5
73.3Features86.7
7 spec wins — realme 15 5G3 spec wins — vivo X100 Ultra
InnoReviews verdict
vivo X100 Ultra wins this phone face-off, 71.8 to 64.9, pulling ahead mainly in camera (+26) and performance (+18). realme 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 realme 15 5G
- Stronger display score: 88 vs 68
- Stronger battery score: 80 vs 76
- 117% higher Peak brightness: 6,500 nits vs 3,000 nits
- 27% higher capacity: 7,000 mAh vs 5,500 mAh
- 20% higher Refresh rate: 144 Hz vs 120 Hz
Reasons to pick the vivo X100 Ultra
- Stronger performance score: 64 vs 47
- Stronger camera score: 76 vs 50
- Stronger features score: 87 vs 73
- 525% higher ultra-wide: 50 MP vs 8 MP
- 33% higher RAM (max): 16 GB vs 12 GB
Display
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| Screen size | 6.8 ″ | 6.78 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1280x2800 | 1440x3200 |
| Pixel density | 453 ppi | 517 ppi+14% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 6,500 nits+117% | 3,000 nits |
| Screen-to-body | 94 %+5% | 89.8 % |
Performance
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 7300+ | Qualcomm Snapdragon 8 Gen 3 |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| 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 | 4K@30fps | 8K@30fps |
| Front camera | 50 MP | 50 MP |
| OIS | Yes | Yes |
Battery
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+27% | 5,500 mAh |
| Wired charging | 80 W | 80 W |
| Wireless charging | — | 30 W |
| Active use endurance | — | 12.9 h |
Design
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| Weight | 187 g+18% | 229 g |
| Thickness | 7.7 mm+17% | 9.2 mm |
| IP rating | IP68/IP69 | IP68/IP69 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5/6 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | — | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | No |
Software
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| OS at launch | Android 15 (realme UI 6.0) | Android 14 (OriginOS 4) |
Audio
| Spec | realme 15 5G | vivo X100 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |