Samsung Galaxy M31 Prime vs Vivo iQOO 15
The Samsung Galaxy M31 Prime (2020) runs on the Exynos 9611, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 44/100 (a 42-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the main camera is 64 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 355,351); the Vivo iQOO 15 has NFC for contactless payments, the Samsung Galaxy M31 Prime doesn't.
Profile comparison
Category scores
Samsung Galaxy M31 Prime
Vivo iQOO 15
What makes Samsung Galaxy M31 Prime better?
- Better main camera: 64MP vs 50MP
- Overall rating 44/100
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 355351
- Better Geekbench Single: 3013 vs 365
- Better Geekbench Multi: 9287 vs 1107
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 15W
- Higher performance (94/100 vs 25/100)
- Better camera (78/100 vs 48/100)
- Longer battery life (85/100 vs 51/100)
- Better display (99/100 vs 83/100)
Comparison verdict
Comparing the Samsung Galaxy M31 Prime vs the Vivo iQOO 15, the Vivo iQOO 15 scores 42 points higher (86/100 vs 44/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 25/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 48/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M31 Prime (94/100 vs 25/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy M31 Prime (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M31 Prime (78/100 vs 48/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M31 Prime (85/100 vs 51/100).
Specs comparison
| Specification | Samsung Galaxy M31 Prime | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Exynos 9611 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 355351 | 3758268 | |
| Geekbench Single | 365 | 3013 | |
| Geekbench Multi | 1107 | 9287 | |
| Display | 6.4" Super AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2340 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 15W | 100W | |
| Wireless charging | 0W | 40W | |
| 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 | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, One UI 2.1 | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 163.7×76.8×8.1 mm | |
| Weight | — | 215 g | |
| Launch price | — | $599 |
Camera comparison
Samsung Galaxy M31 Prime
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Front: 32MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Samsung Galaxy M31 Prime
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy M31 Prime
- 6000 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Samsung Galaxy M31 Prime and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Samsung Galaxy M31 Prime by 90.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy M31 Prime
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M31 Prime (94/100 vs 25/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy M31 Prime (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M31 Prime (78/100 vs 48/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy M31 Prime (85/100 vs 51/100).
Frequently asked questions
Which is better: the Samsung Galaxy M31 Prime or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Samsung Galaxy M31 Prime by 42 points (86/100 vs 44/100).
What is the rating of the Samsung Galaxy M31 Prime and the Vivo iQOO 15?
The Samsung Galaxy M31 Prime has a MobileRank rating of 44/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Samsung Galaxy M31 Prime or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 48/100).
Which is more powerful: the Samsung Galaxy M31 Prime or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 25/100).
Should you choose the Samsung Galaxy M31 Prime over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.