Realme C100 4G vs Vivo iQOO 15 Ultra
The Realme C100 4G (2026) runs on the MediaTek Helio G92 Max, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 30/100 (a 54-point difference). Key differences: the Realme C100 4G has the bigger battery (8000 mAh vs 7400).
Realme C100 4G
Vivo iQOO 15 Ultra
- Bigger battery: 8000 vs 7400 mAh
- Lighter: 219g vs 227g
- Better design/ergonomics (26/100 vs 16/100)
- Faster charging: 120W vs 15W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 24/100)
- Longer battery life (86/100 vs 54/100)
Comparing the Realme C100 4G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 54 points higher (84/100 vs 30/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 54/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C100 4G (97/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C100 4G (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C100 4G (86/100 vs 54/100). In the "design" category, the Realme C100 4G is a bit better (26/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Realme C100 4G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G92 Max | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4602290 | |
| Geekbench Single | — | 3640 | |
| Geekbench Multi | — | 11033 | |
| Display | 6.8" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1570 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 8000 mAh | 7400 mAh | |
| Charging | 15W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB / 24GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16, Realme UI 7.0 | Android 16 | |
| Brightness (peak) | 1200 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 166.5×78.2×8.6 mm | 163.7×76.8×8.7 mm | |
| Weight | 219 g | 227 g | |
| Price | — | $799 |
Realme C100 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Realme C100 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Realme C100 4G
- 8000 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Realme C100 4G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C100 4G (97/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C100 4G (74/100 vs 24/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C100 4G (86/100 vs 54/100).
design
In the "design" category, the Realme C100 4G is a bit better (26/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Realme C100 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Realme C100 4G by 54 points (84/100 vs 30/100).
What is the rating of the Realme C100 4G and the Vivo iQOO 15 Ultra?
The Realme C100 4G has a MobileRank rating of 30/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Realme C100 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 24/100).
Which is more powerful: the Realme C100 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Realme C100 4G over the Vivo iQOO 15 Ultra?
The Realme C100 4G is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.