ASUS Zenfone 12 Ultra vs Redmi K100

The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the ASUS Zenfone 12 Ultra leads — 75/100 vs 73/100 (a 2-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 5500); the Redmi K100 is faster in AnTuTu (3,298,726 vs 3,247,013).

The ASUS Zenfone 12 Ultra edges out the Redmi K100 by just 2 points — the two devices are very close in overall level.

Profile comparison

Category scores

ASUS Zenfone 12 Ultra

Performance 92
Display 89
Camera 56
Battery 66
Portability 38
Value for money 60

Redmi K100

Performance 92
Display 94
Camera 37
Battery 80
Portability 25
Value for money —

What makes ASUS Zenfone 12 Ultra better?

  • Lighter: 220g vs 234g

  • Better camera (56/100 vs 37/100)
  • Better portability (38/100 vs 25/100)

What makes Redmi K100 better?

  • Higher AnTuTu: 3298726 vs 3247013
  • Bigger battery: 10000 vs 5500 mAh
  • Faster charging: 100W vs 65W
  • Higher refresh rate: 165Hz vs 144Hz

  • Longer battery life (80/100 vs 66/100)
  • Better display (94/100 vs 89/100)

Comparison verdict

Comparing the ASUS Zenfone 12 Ultra vs the Redmi K100, the ASUS Zenfone 12 Ultra scores 2 points higher (75/100 vs 73/100). In the "camera" category, the ASUS Zenfone 12 Ultra leads (56/100 vs 37/100). In the "battery" category, the Redmi K100 leads (80/100 vs 66/100). In the "performance" category, both devices are on the same level — 92/100. In the "display" category, the Redmi K100 is a bit better (94/100 vs 89/100). In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Redmi K100 (56/100 vs 37/100). In the "battery" category, the Redmi K100 is a bit better (80/100 vs 66/100). In the "portability" category, the ASUS Zenfone 12 Ultra is a bit better (38/100 vs 25/100).

ASUS Zenfone 12 Ultra: The ASUS Zenfone 12 Ultra is a better fit for gamers and power users.
Redmi K100: The Redmi K100 is a better fit for gamers and power users, those who care about battery life.

Specs comparison

Specification ASUS Zenfone 12 Ultra Redmi K100
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite
AnTuTu 3247013 3298726
Geekbench Single 3013 3013
Geekbench Multi 9287 9287
Display 6.8" LTPO AMOLED 6.8" AMOLED
Resolution 2400x1080 1280x2772
Refresh rate 144 Hz 165 Hz
Battery 5500 mAh 10000 mAh
Charging 65W 100W
Wireless charging 15W 0W
Main camera 50 MP 50 MP
Ultrawide 13 MP 8 MP
Telephoto 32 MP 0 MP
Front camera 32 MP 20 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 15 / ZenUI Android 17
Brightness (peak) 2500 nits 3500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 163.8×77.0×8.9 mm —
Weight 220 g 234 g
Launch price $999 —

Camera comparison

ASUS Zenfone 12 Ultra

  • Main: 50MP f/1.9
  • Ultrawide: 13MP
  • Telephoto: 32MP
  • Front: 32MP
56
camera

Redmi K100

  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Display comparison

ASUS Zenfone 12 Ultra

  • 6.8" LTPO AMOLED
  • Resolution: 2400x1080
  • Refresh rate: 144 Hz
89
display

Redmi K100

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display

Battery and charging

ASUS Zenfone 12 Ultra

  • 5500 mAh
  • Wired: 65W
  • Wireless: 15W
66
battery

Redmi K100

  • 10000 mAh
  • Wired: 100W
  • No wireless charging
80
battery

Overall performance score

We compared ASUS Zenfone 12 Ultra and Redmi K100, covering their specs and all relevant benchmarks.

ASUS Zenfone 12 Ultra Qualcomm Snapdragon 8 Elite
75/100
3247013 AnTuTu
Redmi K100 Qualcomm Snapdragon 8 Elite
73/100 +1.6%
3298726 AnTuTu

Redmi K100 leads ASUS Zenfone 12 Ultra by 1.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

ASUS Zenfone 12 Ultra

$999

Redmi K100

Price unknown

Detailed category analysis

performance

In the "performance" category, both devices are on the same level — 92/100.

display

In the "display" category, the Redmi K100 is a bit better (94/100 vs 89/100).

camera

In the "camera" category, the ASUS Zenfone 12 Ultra notably outperforms the Redmi K100 (56/100 vs 37/100).

battery

In the "battery" category, the Redmi K100 is a bit better (80/100 vs 66/100).

portability

In the "portability" category, the ASUS Zenfone 12 Ultra is a bit better (38/100 vs 25/100).

Frequently asked questions

Which is better: the ASUS Zenfone 12 Ultra or the Redmi K100?

The ASUS Zenfone 12 Ultra edges out the Redmi K100 by just 2 points — the two devices are very close in overall level.

What is the rating of the ASUS Zenfone 12 Ultra and the Redmi K100?

The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the Redmi K100 — 73/100.

Which has the better camera: the ASUS Zenfone 12 Ultra or the Redmi K100?

The ASUS Zenfone 12 Ultra leads on camera score (56/100 vs 37/100).

Should you choose the ASUS Zenfone 12 Ultra over the Redmi K100?

The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The Redmi K100 is a better fit for gamers and power users, those who care about battery life.