Poco F8 vs Vivo Y31s 5G
The Poco F8 (2026) runs on the Snapdragon 8 Elite, while the Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $499 and $200. By overall MobileRank rating, the Poco F8 leads — 75/100 vs 47/100 (a 28-point difference). Key differences: the Poco F8 has the bigger battery (8000 mAh vs 6500); the Poco F8 is faster in AnTuTu (3,119,308 vs 560,863).
Poco F8
Vivo Y31s 5G
- Higher AnTuTu: 3119308 vs 560863
- Better Geekbench Single: 3041 vs 923
- Better Geekbench Multi: 9494 vs 2249
- Bigger battery: 8000 vs 6500 mAh
- Faster charging: 90W vs 44W
- Lighter: 205g vs 207g
- Higher performance (92/100 vs 47/100)
- Longer battery life (86/100 vs 58/100)
- Better display (90/100 vs 55/100)
- Better portability (54/100 vs 50/100)
- Cheaper at launch: $200 vs $499
- Overall rating 47/100
Comparing the Poco F8 vs the Vivo Y31s 5G, the Poco F8 scores 28 points higher (75/100 vs 47/100). In the "performance" category, the Poco F8 leads (92/100 vs 47/100). In the "battery" category, the Poco F8 leads (86/100 vs 58/100). Value score: Poco F8 — 76/100, Vivo Y31s 5G — 56/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Poco F8 significantly outperforms the Vivo Y31s 5G (92/100 vs 47/100). In the "display" category, the Poco F8 significantly outperforms the Vivo Y31s 5G (90/100 vs 55/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Poco F8 notably outperforms the Vivo Y31s 5G (86/100 vs 58/100). In the "portability" category, the Poco F8 and the Vivo Y31s 5G are nearly equal (54/100 vs 50/100).
| Specification | Poco F8 | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3119308 | 560863 | |
| Geekbench Single | 3041 | 923 | |
| Geekbench Multi | 9494 | 2249 | |
| Display | 6.6" OLED | 6.7" IPS LCD | |
| Resolution | 3200x1440 | 1600x720 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8000 mAh | 6500 mAh | |
| Charging | 90W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB | 8GB | |
| Storage | 256GB | 256GB | |
| OS | Android 16 | Android 16 | |
| NFC | — | no | |
| Dimensions | — | 164.2×75.4×8.4 mm | |
| Weight | 205 g | 207 g | |
| Launch price | $499 | $200 |
Poco F8
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 20MP
Vivo Y31s 5G
- Main: 50MP f/f/1.8
- Front: 32MP
Poco F8
- 6.6" OLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Poco F8
- 8000 mAh
- Wired: 90W
- Wireless charging: no data
Vivo Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
We compared Poco F8 and Vivo Y31s 5G, covering their specs and all relevant benchmarks.
Poco F8 leads Vivo Y31s 5G by 456.2% in our overall performance rating.
Launch price difference: $299. Vivo Y31s 5G was $299 cheaper at launch.
performance
In the "performance" category, the Poco F8 significantly outperforms the Vivo Y31s 5G (92/100 vs 47/100).
display
In the "display" category, the Poco F8 significantly outperforms the Vivo Y31s 5G (90/100 vs 55/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Poco F8 notably outperforms the Vivo Y31s 5G (86/100 vs 58/100).
portability
In the "portability" category, the Poco F8 and the Vivo Y31s 5G are nearly equal (54/100 vs 50/100).
Which is better: the Poco F8 or the Vivo Y31s 5G?
The Poco F8 significantly outperforms the Vivo Y31s 5G by 28 points (75/100 vs 47/100).
What is the rating of the Poco F8 and the Vivo Y31s 5G?
The Poco F8 has a MobileRank rating of 75/100, the Vivo Y31s 5G — 47/100.
Which is more powerful: the Poco F8 or the Vivo Y31s 5G?
The Poco F8 leads on performance (92/100 vs 47/100).
Should you choose the Poco F8 over the Vivo Y31s 5G?
The Poco F8 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y31s 5G is a better fit for everyday use.