Poco F8 Ultra vs Vivo Y31d
The Poco F8 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2; estimated prices are $729 and $185. By overall MobileRank rating, the Poco F8 Ultra leads — 83/100 vs 33/100 (a 50-point difference). Key differences: the Vivo Y31d has the bigger battery (7200 mAh vs 6500); the main camera is 200 MP vs 50 MP; the Poco F8 Ultra is faster in AnTuTu (3,640,351 vs 522,680); the Poco F8 Ultra has NFC for contactless payments, the Vivo Y31d doesn't.
Poco F8 Ultra
Vivo Y31d
- Higher AnTuTu: 3640351 vs 522680
- Better Geekbench Single: 3640 vs 489
- Better Geekbench Multi: 11033 vs 1532
- Faster charging: 100W vs 44W
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 219g
- Higher performance (87/100 vs 0/100)
- Better camera (90/100 vs 24/100)
- Longer battery life (77/100 vs 57/100)
- Better design/ergonomics (27/100 vs 26/100)
- Bigger battery: 7200 vs 6500 mAh
- Cheaper: $185 vs $729
- Better value for money (97/100 vs 60/100)
Comparing the Poco F8 Ultra vs the Vivo Y31d, the Poco F8 Ultra scores 50 points higher (83/100 vs 33/100). In the "performance" category, the Poco F8 Ultra leads (87/100 vs 0/100). In the "camera" category, the Poco F8 Ultra leads (90/100 vs 24/100). In the "battery" category, the Poco F8 Ultra leads (77/100 vs 57/100). In the "value for money" category, the Vivo Y31d leads (97/100 vs 60/100). In the "performance" category, the Poco F8 Ultra significantly outperforms the Vivo Y31d (87/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Poco F8 Ultra significantly outperforms the Vivo Y31d (90/100 vs 24/100). In the "battery" category, the Poco F8 Ultra notably outperforms the Vivo Y31d (77/100 vs 57/100). In the "design" category, the Poco F8 Ultra and the Vivo Y31d are nearly equal (27/100 vs 26/100). In the "value for money" category, the Vivo Y31d significantly outperforms the Poco F8 Ultra (97/100 vs 60/100).
| Specification | Poco F8 Ultra | Vivo Y31d | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | 3640351 | 522680 | |
| Geekbench Single | 3640 | 489 | |
| Geekbench Multi | 11033 | 1532 | |
| Display | 6.7" LTPO AMOLED | 6.8" IPS LCD | |
| Resolution | 3200x1440 | 720x1570 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 7200 mAh | |
| Charging | 100W | 44W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 3500 nits | 1250 nits | |
| NFC | yes | no | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.3×77.8×7.9 mm | 166.6×78.4×8.4 mm | |
| Weight | 218 g | 219 g | |
| Price | $729 | $185 |
Poco F8 Ultra
- Main: 200MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
Poco F8 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Poco F8 Ultra
- 6500 mAh
- NanoReview test: web browsing 15:14 hrs, total 32:38 hrs
- Wired: 100W
- Wireless: 50W
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
We compared Poco F8 Ultra and Vivo Y31d, covering their specs and all relevant benchmarks.
Poco F8 Ultra leads Vivo Y31d by 596.5% in our overall performance rating.
Price difference: $544. Vivo Y31d is cheaper by $544.
performance
In the "performance" category, the Poco F8 Ultra significantly outperforms the Vivo Y31d (87/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Poco F8 Ultra significantly outperforms the Vivo Y31d (90/100 vs 24/100).
battery
In the "battery" category, the Poco F8 Ultra notably outperforms the Vivo Y31d (77/100 vs 57/100).
design
In the "design" category, the Poco F8 Ultra and the Vivo Y31d are nearly equal (27/100 vs 26/100).
value for money
In the "value for money" category, the Vivo Y31d significantly outperforms the Poco F8 Ultra (97/100 vs 60/100).
Which is better: the Poco F8 Ultra or the Vivo Y31d?
The Poco F8 Ultra significantly outperforms the Vivo Y31d by 50 points (83/100 vs 33/100).
What is the rating of the Poco F8 Ultra and the Vivo Y31d?
The Poco F8 Ultra has a MobileRank rating of 83/100, the Vivo Y31d — 33/100.
Which has the better camera: the Poco F8 Ultra or the Vivo Y31d?
The Poco F8 Ultra leads on camera score (90/100 vs 24/100).
Which is more powerful: the Poco F8 Ultra or the Vivo Y31d?
The Poco F8 Ultra leads on performance (87/100 vs 0/100).
Should you choose the Poco F8 Ultra over the Vivo Y31d?
The Poco F8 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life. The Vivo Y31d is a better fit for budget-conscious buyers.