realme C75x vs Samsung Galaxy S25 Ultra
28.9Performance80
39.6Display66.7
29Camera74
58.1Battery65.8
20Features94.7
3 spec wins — realme C75x9 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
Samsung Galaxy S25 Ultra wins this phone face-off, 74.8 to 36, pulling ahead mainly in features (+75) and performance (+51). 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
- 12% higher capacity: 5,600 mAh vs 5,000 mAh
- 10% lower weight: 196 g vs 218 g
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger performance score: 80 vs 29
- Stronger display score: 67 vs 40
- Stronger camera score: 74 vs 29
- Stronger battery score: 66 vs 58
- Stronger features score: 95 vs 20
Display
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 6.67 ″ | 6.9 ″+3% |
| Panel type | IPS LCD | Dynamic LTPO AMOLED 2X |
| Resolution | 720x1604 | 1440x3120 |
| Pixel density | 264 ppi | 498 ppi+89% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 625 nits | 2,600 nits+316% |
| Screen-to-body | 84.9 % | 92.5 %+9% |
Performance
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | MediaTek Helio G81 Ultra | Snapdragon 8 Elite for Galaxy |
| AnTuTu | — | 2,787,981Top 21% |
| AnTuTu 11 (CPU) | — | 895,141Top 11% |
| AnTuTu 11 (GPU) | — | 989,555Top 21% |
| AnTuTu 11 (Memory) | — | 348,188Top 27% |
| AnTuTu 11 (UX) | — | 555,097Top 27% |
| Geekbench 6 (single) | — | 3,030Top 13% |
| Geekbench 6 (multi) | — | 9,800Top 8% |
| RAM (max) | 8 GB | 16 GB+100% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | — | UFS 4.0 |
Camera
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | — | 50 MP |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 1080p@30fps | 8K@30fps |
| Front camera | 5 MP | 12 MP+140% |
| OIS | — | Yes |
Battery
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 5,600 mAh+12% | 5,000 mAh |
| Wired charging | 45 W | 45 W |
| Wireless charging | — | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 196 g+10% | 218 g |
| Thickness | 8 mm+3% | 8.2 mm |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | — | Titanium |
Connectivity
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.4 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 15 | Android 15 (One UI 7) |
| OS update pledge | — | 7 years |
Audio
| Spec | realme C75x | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | No | No |