Redmi 15 5G vs Vivo X300 Ultra
26Performance93.3
70.3Display82.3
29Camera84.6
66.7Battery91.5
44Features84
3 spec wins — Redmi 15 5G13 spec wins — Vivo X300 Ultra
InnoReviews verdict
Vivo X300 Ultra wins this phone face-off, 88.1 to 45.4, pulling ahead mainly in performance (+67) and camera (+56). Redmi 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 15 5G
No decisive spec advantages — this side competes on price and preference.
Reasons to pick the Vivo X300 Ultra
- Stronger performance score: 93 vs 26
- Stronger display score: 82 vs 70
- Stronger camera score: 85 vs 29
- Stronger battery score: 92 vs 67
- Stronger features score: 84 vs 44
Display
| Spec | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| Screen size | 6.9 ″+1% | 6.82 ″ |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 2340x1080 | 1440x3168 |
| Pixel density | 374 ppi | 510 ppi+36% |
| Refresh rate | 144 Hz | 144 Hz |
| Peak brightness | — | 4,500 nits |
| Screen-to-body | — | 90.3 % |
Performance
| Spec | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| Chipset | Snapdragon 6s Gen 3 | Qualcomm Snapdragon 8 Elite Gen 5 |
| AnTuTu | 460,000 | 4,085,695+788% |
| Geekbench 6 (single) | 920Bottom 23% | 3,730+305%Top 3% |
| Geekbench 6 (multi) | 2,050Bottom 20% | 11,494+461%Top 3% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 2.2 | UFS 4.1 |
Camera
| Spec | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | 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 | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| Capacity | 7,000 mAh+6% | 6,600 mAh |
| Wired charging | 33 W | 100 W+203% |
| Wireless charging | — | 40 W |
| Active use endurance | — | 16 h |
Design
| Spec | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| Weight | 217 g+6% | 232 g |
| Thickness | 8.4 mm | 8.2 mm+3% |
| IP rating | IP64 | IP68/IP69 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | — | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 16 (OriginOS 6) |
| OS update pledge | 2 years | 5 years+150% |
Audio
| Spec | Redmi 15 5G | Vivo X300 Ultra |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | — | No |