ASUS ROG Phone 9 vs Vivo Y31d

The ASUS ROG Phone 9 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2; estimated prices are $999 and $185. By overall MobileRank rating, the ASUS ROG Phone 9 leads — 60/100 vs 33/100 (a 27-point difference). Key differences: the Vivo Y31d has the bigger battery (7200 mAh vs 5800); the ASUS ROG Phone 9 is faster in AnTuTu (3,136,217 vs 522,680); the ASUS ROG Phone 9 has NFC for contactless payments, the Vivo Y31d doesn't.

The ASUS ROG Phone 9 significantly outperforms the Vivo Y31d by 27 points (60/100 vs 33/100).
Profile comparison
Category scores
ASUS ROG Phone 9
Performance 72
Display 100
Camera 39
Battery 58
Design 16
Value for money 41
Vivo Y31d
Performance 0
Display 100
Camera 24
Battery 57
Design 26
Value for money 97
What makes ASUS ROG Phone 9 better?
  • Higher AnTuTu: 3136217 vs 522680
  • Better Geekbench Single: 3100 vs 489
  • Better Geekbench Multi: 9900 vs 1532
  • Faster charging: 65W vs 44W
  • Higher refresh rate: 185Hz vs 120Hz

  • Higher performance (72/100 vs 0/100)
  • Better camera (39/100 vs 24/100)
  • Longer battery life (58/100 vs 57/100)
What makes Vivo Y31d better?
  • Bigger battery: 7200 vs 5800 mAh
  • Lighter: 219g vs 227g
  • Cheaper: $185 vs $999

  • Better design/ergonomics (26/100 vs 16/100)
  • Better value for money (97/100 vs 41/100)
Comparison verdict

Comparing the ASUS ROG Phone 9 vs the Vivo Y31d, the ASUS ROG Phone 9 scores 27 points higher (60/100 vs 33/100). In the "performance" category, the ASUS ROG Phone 9 leads (72/100 vs 0/100). In the "camera" category, the ASUS ROG Phone 9 leads (39/100 vs 24/100). In the "value for money" category, the Vivo Y31d leads (97/100 vs 41/100). In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Vivo Y31d (72/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the ASUS ROG Phone 9 notably outperforms the Vivo Y31d (39/100 vs 24/100). In the "battery" category, the ASUS ROG Phone 9 and the Vivo Y31d are nearly equal (58/100 vs 57/100). In the "design" category, the Vivo Y31d is a bit better (26/100 vs 16/100). In the "value for money" category, the Vivo Y31d significantly outperforms the ASUS ROG Phone 9 (97/100 vs 41/100).

ASUS ROG Phone 9: The ASUS ROG Phone 9 is a better fit for active users.
Vivo Y31d: The Vivo Y31d is a better fit for budget-conscious buyers.
Specs comparison
Specification ASUS ROG Phone 9 Vivo Y31d
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 6s 4G Gen 2
AnTuTu 3136217 522680
Geekbench Single 3100 489
Geekbench Multi 9900 1532
Display 6.8" LTPO AMOLED 6.8" IPS LCD
Resolution 2400x1080 720x1570
Refresh rate 185 Hz 120 Hz
Battery 5800 mAh 7200 mAh
Charging 65W 44W
Wireless charging 15W 0W
Main camera 50 MP 50 MP
Ultrawide 13 MP 0 MP
Front camera 32 MP 8 MP
RAM 12GB / 16GB / 24GB 6GB / 8GB
Storage 256GB / 512GB / 1TB 128GB / 256GB
OS Android 15 / ROG UI Android 16
Brightness (peak) 2500 nits 1250 nits
NFC yes no
Protection IP68 IP68/IP69
Dimensions 163.8×76.8×8.9 mm 166.6×78.4×8.4 mm
Weight 227 g 219 g
Price $999 $185
Camera comparison
ASUS ROG Phone 9
  • Main: 50MP f/f/1.9
  • Ultrawide: 13MP
  • Front: 32MP
39
camera
Vivo Y31d
  • Main: 50MP f/f/2.0
  • Front: 8MP
24
camera
Display comparison
ASUS ROG Phone 9
  • 6.8" LTPO AMOLED
  • Resolution: 2400x1080
  • Refresh rate: 185 Hz
100
display
Vivo Y31d
  • 6.8" IPS LCD
  • Resolution: 720x1570
  • Refresh rate: 120 Hz
100
display
Battery and charging
ASUS ROG Phone 9
  • 5800 mAh
  • Wired: 65W
  • Wireless: 15W
58
battery
Vivo Y31d
  • 7200 mAh
  • Wired: 44W
  • No wireless charging
57
battery
Overall performance score

We compared ASUS ROG Phone 9 and Vivo Y31d, covering their specs and all relevant benchmarks.

ASUS ROG Phone 9 Qualcomm Snapdragon 8 Elite
60/100
3136217 AnTuTu
Vivo Y31d Qualcomm Snapdragon 6s 4G Gen 2
33/100 -500.0%
522680 AnTuTu

ASUS ROG Phone 9 leads Vivo Y31d by 500.0% in our overall performance rating.

Benchmarks
Price and availability
ASUS ROG Phone 9
$999
Vivo Y31d
$185

Price difference: $814. Vivo Y31d is cheaper by $814.

Detailed category analysis
performance

In the "performance" category, the ASUS ROG Phone 9 significantly outperforms the Vivo Y31d (72/100 vs 0/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the ASUS ROG Phone 9 notably outperforms the Vivo Y31d (39/100 vs 24/100).

battery

In the "battery" category, the ASUS ROG Phone 9 and the Vivo Y31d are nearly equal (58/100 vs 57/100).

design

In the "design" category, the Vivo Y31d is a bit better (26/100 vs 16/100).

value for money

In the "value for money" category, the Vivo Y31d significantly outperforms the ASUS ROG Phone 9 (97/100 vs 41/100).

Frequently asked questions
Which is better: the ASUS ROG Phone 9 or the Vivo Y31d?

The ASUS ROG Phone 9 significantly outperforms the Vivo Y31d by 27 points (60/100 vs 33/100).

What is the rating of the ASUS ROG Phone 9 and the Vivo Y31d?

The ASUS ROG Phone 9 has a MobileRank rating of 60/100, the Vivo Y31d — 33/100.

Which has the better camera: the ASUS ROG Phone 9 or the Vivo Y31d?

The ASUS ROG Phone 9 leads on camera score (39/100 vs 24/100).

Which is more powerful: the ASUS ROG Phone 9 or the Vivo Y31d?

The ASUS ROG Phone 9 leads on performance (72/100 vs 0/100).

Should you choose the ASUS ROG Phone 9 over the Vivo Y31d?

The ASUS ROG Phone 9 is a better fit for active users. The Vivo Y31d is a better fit for budget-conscious buyers.