ASUS ROG Phone 9 vs Xiaomi 12S Ultra

The ASUS ROG Phone 9 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. Both devices score the same overall rating of 71/100. Key differences: the ASUS ROG Phone 9 has the bigger battery (5800 mAh vs 4800); the main camera is 50 MP vs 3 MP; the ASUS ROG Phone 9 is faster in AnTuTu (3,136,217 vs 1,627,862).

Both devices scored the same rating of 71/100 — the choice comes down to your priorities.

Profile comparison

Category scores

ASUS ROG Phone 9

Performance 92
Display 89
Camera 42
Battery 67
Portability 33
Value for money 52

Xiaomi 12S Ultra

Performance 73
Display 90
Camera 70
Battery 64
Portability 32
Value for money —

What makes ASUS ROG Phone 9 better?

  • Higher AnTuTu: 3136217 vs 1627862
  • Better Geekbench Single: 3100 vs 1761
  • Better Geekbench Multi: 9900 vs 4688
  • Bigger battery: 5800 vs 4800 mAh
  • Better main camera: 50MP vs 3MP
  • Higher refresh rate: 185Hz vs 120Hz

  • Higher performance (92/100 vs 73/100)
  • Longer battery life (67/100 vs 64/100)
  • Better portability (33/100 vs 32/100)

What makes Xiaomi 12S Ultra better?

  • Faster charging: 67W vs 65W
  • Faster wireless charging: 50W vs 15W
  • Lighter: 225g vs 227g

  • Better camera (70/100 vs 42/100)
  • Better display (90/100 vs 89/100)

Comparison verdict

The ASUS ROG Phone 9 and the Xiaomi 12S Ultra received the same MobileRank rating — 71/100. In the "performance" category, the ASUS ROG Phone 9 leads (92/100 vs 73/100). In the "camera" category, the Xiaomi 12S Ultra leads (70/100 vs 42/100). In the "performance" category, the ASUS ROG Phone 9 notably outperforms the Xiaomi 12S Ultra (92/100 vs 73/100). In the "display" category, the Xiaomi 12S Ultra and the ASUS ROG Phone 9 are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 12S Ultra notably outperforms the ASUS ROG Phone 9 (70/100 vs 42/100). In the "battery" category, the ASUS ROG Phone 9 and the Xiaomi 12S Ultra are nearly equal (67/100 vs 64/100). In the "portability" category, the ASUS ROG Phone 9 and the Xiaomi 12S Ultra are nearly equal (33/100 vs 32/100).

ASUS ROG Phone 9: The ASUS ROG Phone 9 is a better fit for gamers and power users.
Xiaomi 12S Ultra: The Xiaomi 12S Ultra is a better fit for active users.

Specs comparison

Specification ASUS ROG Phone 9 Xiaomi 12S Ultra
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8+ Gen 1
AnTuTu 3136217 1627862
Geekbench Single 3100 1761
Geekbench Multi 9900 4688
Display 6.8" LTPO AMOLED 6.7" LTPO2 AMOLED
Resolution 2400x1080 1440x3200
Refresh rate 185 Hz 120 Hz
Battery 5800 mAh 4800 mAh
Charging 65W 67W
Wireless charging 15W 50W
DXOMark (camera) — 136
Main camera 50 MP 3 MP
Ultrawide 13 MP 48 MP
Telephoto 0 MP 48 MP
Front camera 32 MP 32 MP
RAM 12GB / 16GB / 24GB 8GB / 12GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 15 / ROG UI Android 12, MIUI 13
Brightness (peak) 2500 nits 1500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 163.8×76.8×8.9 mm 163.2×75.0×9.1 mm
Weight 227 g 225 g
Launch price $999 —

Camera comparison

ASUS ROG Phone 9

  • Main: 50MP f/1.9
  • Ultrawide: 13MP
  • Front: 32MP
42
camera

Xiaomi 12S Ultra

  • Main: 3MP f/1.9
  • Ultrawide: 48MP
  • Telephoto: 48MP
  • Front: 32MP
70
camera

Display comparison

ASUS ROG Phone 9

  • 6.8" LTPO AMOLED
  • Resolution: 2400x1080
  • Refresh rate: 185 Hz
89
display

Xiaomi 12S Ultra

  • 6.7" LTPO2 AMOLED
  • Resolution: 1440x3200
  • Refresh rate: 120 Hz
90
display

Battery and charging

ASUS ROG Phone 9

  • 5800 mAh
  • Wired: 65W
  • Wireless: 15W
67
battery

Xiaomi 12S Ultra

  • 4800 mAh
  • Wired: 67W
  • Wireless: 50W
64
battery

Overall performance score

We compared ASUS ROG Phone 9 and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.

ASUS ROG Phone 9 Qualcomm Snapdragon 8 Elite
71/100
3136217 AnTuTu
Xiaomi 12S Ultra Qualcomm Snapdragon 8+ Gen 1
71/100 -92.7%
1627862 AnTuTu

ASUS ROG Phone 9 leads Xiaomi 12S Ultra by 92.7% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

ASUS ROG Phone 9

$999

Xiaomi 12S Ultra

Price unknown

Detailed category analysis

performance

In the "performance" category, the ASUS ROG Phone 9 notably outperforms the Xiaomi 12S Ultra (92/100 vs 73/100).

display

In the "display" category, the Xiaomi 12S Ultra and the ASUS ROG Phone 9 are nearly equal (90/100 vs 89/100).

camera

In the "camera" category, the Xiaomi 12S Ultra notably outperforms the ASUS ROG Phone 9 (70/100 vs 42/100).

battery

In the "battery" category, the ASUS ROG Phone 9 and the Xiaomi 12S Ultra are nearly equal (67/100 vs 64/100).

portability

In the "portability" category, the ASUS ROG Phone 9 and the Xiaomi 12S Ultra are nearly equal (33/100 vs 32/100).

Frequently asked questions

Which is better: the ASUS ROG Phone 9 or the Xiaomi 12S Ultra?

Both devices scored 71/100. The choice depends on your priorities: if performance matters more — go with the ASUS ROG Phone 9 (92/100 vs 73/100).

What is the rating of the ASUS ROG Phone 9 and the Xiaomi 12S Ultra?

The ASUS ROG Phone 9 has a MobileRank rating of 71/100, the Xiaomi 12S Ultra — 71/100.

Which has the better camera: the ASUS ROG Phone 9 or the Xiaomi 12S Ultra?

The Xiaomi 12S Ultra leads on camera score (70/100 vs 42/100).

Which is more powerful: the ASUS ROG Phone 9 or the Xiaomi 12S Ultra?

The ASUS ROG Phone 9 leads on performance (92/100 vs 73/100).

Should you choose the ASUS ROG Phone 9 over the Xiaomi 12S Ultra?

The ASUS ROG Phone 9 is a better fit for gamers and power users. The Xiaomi 12S Ultra is a better fit for active users.