Realme C31 vs Vivo iQOO 15 Ultra
The Realme C31 (2022) runs on the Unisoc Tiger T612, 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 — 89/100 vs 28/100 (a 61-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 Ultra has NFC for contactless payments, the Realme C31 doesn't; the Realme C31 is noticeably lighter (197g vs 227g).
Profile comparison
Category scores
Realme C31
Vivo iQOO 15 Ultra
What makes Realme C31 better?
- Lighter: 197g vs 227g
- Better portability (56/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Better Geekbench Single: 3639 vs 360
- Better Geekbench Multi: 11047 vs 1250
- Bigger battery: 7400 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (99/100 vs 16/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 66/100)
- Better display (99/100 vs 39/100)
Comparison verdict
Comparing the Realme C31 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 61 points higher (89/100 vs 28/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 16/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 66/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C31 (99/100 vs 16/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C31 (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C31 (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Realme C31 (92/100 vs 66/100). In the "portability" category, the Realme C31 notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).
Specs comparison
| Specification | Realme C31 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Unisoc Tiger T612 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4602290 | |
| Geekbench Single | 360 | 3639 | |
| Geekbench Multi | 1250 | 11047 | |
| Display | 6.5" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | — | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 3GB / 4GB | 12GB / 16GB / 24GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 11, Realme UI 2.0 | Android 16 | |
| Brightness (peak) | 400 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.7×76.1×8.4 mm | 163.7×76.8×8.7 mm | |
| Weight | 197 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Realme C31
- Main: 13MP f/2.2
- Front: 5MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme C31
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Realme C31
- 5000 mAh
- Wireless charging: no data
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Benchmarks
Launch prices and where to check today's
Realme C31
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C31 (99/100 vs 16/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C31 (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C31 (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Realme C31 (92/100 vs 66/100).
portability
In the "portability" category, the Realme C31 notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).
Frequently asked questions
Which is better: the Realme C31 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Realme C31 by 61 points (89/100 vs 28/100).
What is the rating of the Realme C31 and the Vivo iQOO 15 Ultra?
The Realme C31 has a MobileRank rating of 28/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Realme C31 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Realme C31 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 16/100).
Should you choose the Realme C31 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.