realme 12 5G vs Vivo X300 Ultra
28.9Performance93.3
46.6Display82.3
33.9Camera84.6
52.5Battery91.5
86.7Features84
3 spec wins — realme 12 5G12 spec wins — Vivo X300 Ultra
InnoReviews verdict
Vivo X300 Ultra wins this phone face-off, 88.1 to 43.9, pulling ahead mainly in performance (+64) and camera (+51). realme 12 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 12 5G
- 19% lower weight: 188 g vs 232 g
- Has 3.5mm jack — the other doesn't
Reasons to pick the Vivo X300 Ultra
- Stronger performance score: 93 vs 29
- Stronger display score: 82 vs 47
- Stronger camera score: 85 vs 34
- Stronger battery score: 92 vs 53
- 525% higher Front camera: 50 MP vs 8 MP
Display
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| Screen size | 6.72 ″ | 6.82 ″+1% |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 1080x2400 | 1440x3168 |
| Pixel density | 392 ppi | 510 ppi+30% |
| Refresh rate | 120 Hz | 144 Hz+20% |
| Peak brightness | 950 nits | 4,500 nits+374% |
| Screen-to-body | 86.5 % | 90.3 %+4% |
Performance
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 6100+ | Qualcomm Snapdragon 8 Elite Gen 5 |
| AnTuTu | — | 4,085,695 |
| Geekbench 6 (single) | — | 3,730Top 3% |
| Geekbench 6 (multi) | — | 11,494Top 3% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128/256/512GB | 256/512GB/1TB |
| Storage type | — | UFS 4.1 |
Camera
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| Main camera | 108 MP | 200 MP+85% |
| Main aperture | f/1.75 | f/1.9 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 200 MP |
| Optical zoom | — | 3.7 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 8 MP | 50 MP+525% |
| OIS | No | Yes |
Battery
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 6,600 mAh+32% |
| Wired charging | 45 W | 100 W+122% |
| Wireless charging | 0 W | 40 W |
| Active use endurance | — | 16 h |
Design
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| Weight | 188 g+19% | 232 g |
| Thickness | 7.7 mm+6% | 8.2 mm |
| IP rating | IP54 | IP68/IP69 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| OS at launch | Android 14 (realme UI 5.0) | Android 16 (OriginOS 6) |
| OS update pledge | — | 5 years |
Audio
| Spec | realme 12 5G | Vivo X300 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | Yes | No |