realme C75x vs Xiaomi 15
28.9Performance76.7
39.6Display64.5
29Camera64.7
58.1Battery83.5
20Features78.7
3 spec wins — realme C75x8 spec wins — Xiaomi 15
InnoReviews verdict
Xiaomi 15 wins this phone face-off, 73.4 to 36, pulling ahead mainly in features (+59) and performance (+48). realme C75x still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the realme C75x
No decisive spec advantages — this side competes on price and preference.
Reasons to pick the Xiaomi 15
- Stronger performance score: 77 vs 29
- Stronger display score: 65 vs 40
- Stronger camera score: 65 vs 29
- Stronger battery score: 84 vs 58
- Stronger features score: 79 vs 20
Display
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| Screen size | 6.67 ″+5% | 6.36 ″ |
| Panel type | IPS LCD | LTPO AMOLED |
| Resolution | 720x1604 | 1200x2670 |
| Pixel density | 264 ppi | 460 ppi+74% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 625 nits | 3,200 nits+412% |
| Screen-to-body | 84.9 % | — |
Performance
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| Chipset | MediaTek Helio G81 Ultra | Snapdragon 8 Elite |
| AnTuTu | — | 2,914,100Top 19% |
| AnTuTu 11 (CPU) | — | 874,340Top 15% |
| AnTuTu 11 (GPU) | — | 1,069,991Top 19% |
| AnTuTu 11 (Memory) | — | 379,667Top 22% |
| AnTuTu 11 (UX) | — | 590,102Top 22% |
| Geekbench 6 (single) | — | 2,972Top 15% |
| Geekbench 6 (multi) | — | 9,330Top 12% |
| Wild Life Extreme stability | — | 89 %Bottom 50% |
| RAM (max) | 8 GB | 12 GB+50% |
| Storage options | 128/256GB | 256/512GB |
| Storage type | — | UFS 4.0 |
Camera
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.62 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 2.6 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 5 MP | 32 MP+540% |
| OIS | — | Yes |
Battery
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| Capacity | 5,600 mAh+7% | 5,240 mAh |
| Wired charging | 45 W | 90 W+100% |
| Wireless charging | — | 50 W |
| Active use endurance | — | 16.5 h |
Design
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| Weight | 196 g | 191 g+3% |
| Thickness | 8 mm+1% | 8.1 mm |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 6.0 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| OS at launch | Android 15 | Android 15 (HyperOS 2) |
| OS update pledge | — | 4 years |
Audio
| Spec | realme C75x | Xiaomi 15 |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | No | No |