Samsung Galaxy M31 Prime vs Vivo iQOO 15 Ultra
The Samsung Galaxy M31 Prime (2020) runs on the Exynos 9611, 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 23/100 (a 61-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the main camera is 64 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 355,351); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Samsung Galaxy M31 Prime doesn't.
Samsung Galaxy M31 Prime
Vivo iQOO 15 Ultra
- Better main camera: 64MP vs 50MP
- Better design/ergonomics (50/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 355351
- Better Geekbench Single: 3640 vs 365
- Better Geekbench Multi: 11033 vs 1107
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 15W
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 46/100)
- Longer battery life (86/100 vs 45/100)
- Better display (100/100 vs 0/100)
Comparing the Samsung Galaxy M31 Prime vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 61 points higher (84/100 vs 23/100). 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 46/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 45/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy M31 Prime (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy M31 Prime (100/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Samsung Galaxy M31 Prime (74/100 vs 46/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy M31 Prime (86/100 vs 45/100). In the "design" category, the Samsung Galaxy M31 Prime significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Samsung Galaxy M31 Prime | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Exynos 9611 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 355351 | 4602290 | |
| Geekbench Single | 365 | 3640 | |
| Geekbench Multi | 1107 | 11033 | |
| Display | 6.4" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 15W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 6GB | 12GB / 16GB / 24GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, One UI 2.1 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.7×76.8×8.7 mm | |
| Weight | — | 227 g | |
| Price | — | $799 |
Samsung Galaxy M31 Prime
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 32MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy M31 Prime
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Samsung Galaxy M31 Prime
- 6000 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Samsung Galaxy M31 Prime and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Samsung Galaxy M31 Prime by 92.3% in our overall performance rating.
Samsung Galaxy M31 Prime
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy M31 Prime (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy M31 Prime (100/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Samsung Galaxy M31 Prime (74/100 vs 46/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy M31 Prime (86/100 vs 45/100).
design
In the "design" category, the Samsung Galaxy M31 Prime significantly outperforms the Vivo iQOO 15 Ultra (50/100 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 Samsung Galaxy M31 Prime or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy M31 Prime by 61 points (84/100 vs 23/100).
What is the rating of the Samsung Galaxy M31 Prime and the Vivo iQOO 15 Ultra?
The Samsung Galaxy M31 Prime has a MobileRank rating of 23/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Samsung Galaxy M31 Prime or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 46/100).
Which is more powerful: the Samsung Galaxy M31 Prime or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Samsung Galaxy M31 Prime over the Vivo iQOO 15 Ultra?
The Samsung Galaxy M31 Prime 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.