Poco X8 Pro Max vs Vivo Y31s 5G
The Poco X8 Pro Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $469 and $200. By overall MobileRank rating, the Poco X8 Pro Max leads — 71/100 vs 47/100 (a 24-point difference). Key differences: the Poco X8 Pro Max has the bigger battery (8500 mAh vs 6500); the Poco X8 Pro Max is faster in AnTuTu (2,629,444 vs 560,863); the Poco X8 Pro Max has NFC for contactless payments, the Vivo Y31s 5G doesn't.
Poco X8 Pro Max
Vivo Y31s 5G
- Higher AnTuTu: 2629444 vs 560863
- Better Geekbench Single: 3228 vs 923
- Better Geekbench Multi: 9553 vs 2249
- Bigger battery: 8500 vs 6500 mAh
- Faster charging: 100W vs 44W
- Higher performance (90/100 vs 47/100)
- Longer battery life (77/100 vs 58/100)
- Better display (84/100 vs 55/100)
- Lighter: 207g vs 218g
- Cheaper at launch: $200 vs $469
- Better portability (50/100 vs 46/100)
Comparing the Poco X8 Pro Max vs the Vivo Y31s 5G, the Poco X8 Pro Max scores 24 points higher (71/100 vs 47/100). In the "performance" category, the Poco X8 Pro Max leads (90/100 vs 47/100). In the "battery" category, the Poco X8 Pro Max leads (77/100 vs 58/100). Value score: Poco X8 Pro Max — 72/100, 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 X8 Pro Max significantly outperforms the Vivo Y31s 5G (90/100 vs 47/100). In the "display" category, the Poco X8 Pro Max notably outperforms the Vivo Y31s 5G (84/100 vs 55/100). In the "camera" category, both devices are on the same level — 37/100. In the "battery" category, the Poco X8 Pro Max notably outperforms the Vivo Y31s 5G (77/100 vs 58/100). In the "portability" category, the Vivo Y31s 5G and the Poco X8 Pro Max are nearly equal (50/100 vs 46/100).
| Specification | Poco X8 Pro Max | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 2629444 | 560863 | |
| Geekbench Single | 3228 | 923 | |
| Geekbench Multi | 9553 | 2249 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 2772x1280 | 1600x720 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8500 mAh | 6500 mAh | |
| Charging | 100W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB | 8GB | |
| Storage | 256GB / 512GB | 256GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 164.2×75.4×8.4 mm | |
| Weight | 218 g | 207 g | |
| Launch price | $469 | $200 |
Poco X8 Pro Max
- Main: 50MP f/f/1.5
- Ultrawide: 8MP
- Front: 20MP
Vivo Y31s 5G
- Main: 50MP f/f/1.8
- Front: 32MP
Poco X8 Pro Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 120 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Poco X8 Pro Max
- 8500 mAh
- Wired: 100W
- No wireless charging
Vivo Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
We compared Poco X8 Pro Max and Vivo Y31s 5G, covering their specs and all relevant benchmarks.
Poco X8 Pro Max leads Vivo Y31s 5G by 368.8% in our overall performance rating.
Launch price difference: $269. Vivo Y31s 5G was $269 cheaper at launch.
performance
In the "performance" category, the Poco X8 Pro Max significantly outperforms the Vivo Y31s 5G (90/100 vs 47/100).
display
In the "display" category, the Poco X8 Pro Max notably outperforms the Vivo Y31s 5G (84/100 vs 55/100).
camera
In the "camera" category, both devices are on the same level — 37/100.
battery
In the "battery" category, the Poco X8 Pro Max notably outperforms the Vivo Y31s 5G (77/100 vs 58/100).
portability
In the "portability" category, the Vivo Y31s 5G and the Poco X8 Pro Max are nearly equal (50/100 vs 46/100).
Which is better: the Poco X8 Pro Max or the Vivo Y31s 5G?
The Poco X8 Pro Max significantly outperforms the Vivo Y31s 5G by 24 points (71/100 vs 47/100).
What is the rating of the Poco X8 Pro Max and the Vivo Y31s 5G?
The Poco X8 Pro Max has a MobileRank rating of 71/100, the Vivo Y31s 5G — 47/100.
Which is more powerful: the Poco X8 Pro Max or the Vivo Y31s 5G?
The Poco X8 Pro Max leads on performance (90/100 vs 47/100).
Should you choose the Poco X8 Pro Max over the Vivo Y31s 5G?
The Poco X8 Pro Max is a better fit for gamers and power users, those who care about battery life. The Vivo Y31s 5G is a better fit for everyday use.