Poco F8 vs Vivo Y31d

The Poco F8 (2026) runs on the Snapdragon 8 Elite, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2; estimated prices are $499 and $185. By overall MobileRank rating, the Poco F8 leads — 61/100 vs 33/100 (a 28-point difference). Key differences: the Poco F8 has the bigger battery (8000 mAh vs 7200); the Poco F8 is faster in AnTuTu (2,760,000 vs 522,680).

The Poco F8 significantly outperforms the Vivo Y31d by 28 points (61/100 vs 33/100).
Profile comparison
Category scores
Poco F8
Performance 65
Display 100
Camera 32
Battery 72
Design 43
Value for money 75
Vivo Y31d
Performance 0
Display 100
Camera 24
Battery 57
Design 26
Value for money 97
What makes Poco F8 better?
  • Higher AnTuTu: 2760000 vs 522680
  • Better Geekbench Single: 3050 vs 489
  • Better Geekbench Multi: 9300 vs 1532
  • Bigger battery: 8000 vs 7200 mAh
  • Faster charging: 90W vs 44W
  • Lighter: 205g vs 219g

  • Higher performance (65/100 vs 0/100)
  • Better camera (32/100 vs 24/100)
  • Longer battery life (72/100 vs 57/100)
  • Better design/ergonomics (43/100 vs 26/100)
What makes Vivo Y31d better?
  • Cheaper: $185 vs $499

  • Better value for money (97/100 vs 75/100)
Comparison verdict

Comparing the Poco F8 vs the Vivo Y31d, the Poco F8 scores 28 points higher (61/100 vs 33/100). In the "performance" category, the Poco F8 leads (65/100 vs 0/100). In the "battery" category, the Poco F8 leads (72/100 vs 57/100). In the "value for money" category, the Vivo Y31d leads (97/100 vs 75/100). In the "performance" category, the Poco F8 significantly outperforms the Vivo Y31d (65/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Poco F8 is a bit better (32/100 vs 24/100). In the "battery" category, the Poco F8 notably outperforms the Vivo Y31d (72/100 vs 57/100). In the "design" category, the Poco F8 notably outperforms the Vivo Y31d (43/100 vs 26/100). In the "value for money" category, the Vivo Y31d notably outperforms the Poco F8 (97/100 vs 75/100).

Poco F8: The Poco F8 is a better fit for active users, budget-conscious buyers.
Vivo Y31d: The Vivo Y31d is a better fit for budget-conscious buyers.
Specs comparison
Specification Poco F8 Vivo Y31d
Processor Snapdragon 8 Elite Qualcomm Snapdragon 6s 4G Gen 2
AnTuTu 2760000 522680
Geekbench Single 3050 489
Geekbench Multi 9300 1532
Display 6.6" OLED 6.8" IPS LCD
Resolution 3200x1440 720x1570
Refresh rate 120 Hz 120 Hz
Battery 8000 mAh 7200 mAh
Charging 90W 44W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 8 MP
RAM 12GB 6GB / 8GB
Storage 256GB 128GB / 256GB
OS Android 16 Android 16
Brightness (peak) 1250 nits
NFC no
Protection IP68/IP69
Dimensions 166.6×78.4×8.4 mm
Weight 205 g 219 g
Price $499 $185
Camera comparison
Poco F8
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo Y31d
  • Main: 50MP f/f/2.0
  • Front: 8MP
24
camera
Display comparison
Poco F8
  • 6.6" OLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
100
display
Vivo Y31d
  • 6.8" IPS LCD
  • Resolution: 720x1570
  • Refresh rate: 120 Hz
100
display
Battery and charging
Poco F8
  • 8000 mAh
  • Wired: 90W
  • No wireless charging
72
battery
Vivo Y31d
  • 7200 mAh
  • Wired: 44W
  • No wireless charging
57
battery
Overall performance score

We compared Poco F8 and Vivo Y31d, covering their specs and all relevant benchmarks.

Poco F8 Snapdragon 8 Elite
61/100
2760000 AnTuTu
Vivo Y31d Qualcomm Snapdragon 6s 4G Gen 2
33/100 -428.0%
522680 AnTuTu

Poco F8 leads Vivo Y31d by 428.0% in our overall performance rating.

Benchmarks
Price and availability
Poco F8
$499
Vivo Y31d
$185

Price difference: $314. Vivo Y31d is cheaper by $314.

Detailed category analysis
performance

In the "performance" category, the Poco F8 significantly outperforms the Vivo Y31d (65/100 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 is a bit better (32/100 vs 24/100).

battery

In the "battery" category, the Poco F8 notably outperforms the Vivo Y31d (72/100 vs 57/100).

design

In the "design" category, the Poco F8 notably outperforms the Vivo Y31d (43/100 vs 26/100).

value for money

In the "value for money" category, the Vivo Y31d notably outperforms the Poco F8 (97/100 vs 75/100).

Frequently asked questions
Which is better: the Poco F8 or the Vivo Y31d?

The Poco F8 significantly outperforms the Vivo Y31d by 28 points (61/100 vs 33/100).

What is the rating of the Poco F8 and the Vivo Y31d?

The Poco F8 has a MobileRank rating of 61/100, the Vivo Y31d — 33/100.

Which has the better camera: the Poco F8 or the Vivo Y31d?

The Poco F8 leads on camera score (32/100 vs 24/100).

Which is more powerful: the Poco F8 or the Vivo Y31d?

The Poco F8 leads on performance (65/100 vs 0/100).

Should you choose the Poco F8 over the Vivo Y31d?

The Poco F8 is a better fit for active users, budget-conscious buyers. The Vivo Y31d is a better fit for budget-conscious buyers.