Redmi K90 Ultra vs Xiaomi 12T

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12T (2022) runs on the MediaTek Dimensity 8100 Ultra; launch prices were $420 and $380. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 61/100 (a 12-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 108 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,109,632); the Xiaomi 12T is noticeably lighter (202g vs 227g).

The Redmi K90 Ultra is noticeably better than the Xiaomi 12T — the overall rating gap is 12 points.
Profile comparison
Category scores
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
Xiaomi 12T
Performance 60
Display 83
Camera 53
Battery 64
Portability 51
Value for money 60
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 1109632
  • Better Geekbench Single: 3041 vs 978
  • Better Geekbench Multi: 9494 vs 3950
  • Bigger battery: 8550 vs 5000 mAh
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 60/100)
  • Longer battery life (78/100 vs 64/100)
  • Better display (94/100 vs 83/100)
What makes Xiaomi 12T better?
  • Faster charging: 120W vs 100W
  • Better main camera: 108MP vs 50MP
  • Lighter: 202g vs 227g
  • Cheaper at launch: $380 vs $420

  • Better camera (53/100 vs 37/100)
  • Better portability (51/100 vs 40/100)
Comparison verdict

Comparing the Redmi K90 Ultra vs the Xiaomi 12T, the Redmi K90 Ultra scores 12 points higher (73/100 vs 61/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 60/100). In the "camera" category, the Xiaomi 12T leads (53/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 64/100). Value score: Redmi K90 Ultra — 82/100, Xiaomi 12T — 60/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi 12T (92/100 vs 60/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100). In the "camera" category, the Xiaomi 12T notably outperforms the Redmi K90 Ultra (53/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100). In the "portability" category, the Xiaomi 12T is a bit better (51/100 vs 40/100).

Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Xiaomi 12T: The Xiaomi 12T is a better fit for active users.
Specs comparison
Specification Redmi K90 Ultra Xiaomi 12T
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 8100 Ultra
AnTuTu 3119308 1109632
Geekbench Single 3041 978
Geekbench Multi 9494 3950
Display 6.8" AMOLED 6.7" AMOLED
Resolution 1280x2772 2712x1220
Refresh rate 165 Hz 120 Hz
Battery 8550 mAh 5000 mAh
Charging 100W 120W
DXOMark (camera) 115
Main camera 50 MP 108 MP
Ultrawide 8 MP 8 MP
Front camera 20 MP 20 MP
RAM 12GB / 16GB 8GB
Storage 256GB / 512GB 128GB / 256GB
OS Android 16 Android 12
Brightness (peak) 3500 nits 900 nits
NFC yes yes
Protection IP68/IP69
Dimensions 162.9×77.9×8.2 mm 163.1×75.9×8.6 mm
Weight 227 g 202 g
Launch price $420 $380
Camera comparison
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Xiaomi 12T
  • Main: 108MP f/1.65
  • Ultrawide: 8MP
  • Front: 20MP
53
camera
Display comparison
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display
Xiaomi 12T
  • 6.7" AMOLED
  • Resolution: 2712x1220
  • Refresh rate: 120 Hz
83
display
Battery and charging
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Xiaomi 12T
  • 5000 mAh
  • Wired: 120W
  • No wireless charging
64
battery
Overall performance score

We compared Redmi K90 Ultra and Xiaomi 12T, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3119308 AnTuTu
Xiaomi 12T MediaTek Dimensity 8100 Ultra
61/100 -181.1%
1109632 AnTuTu

Redmi K90 Ultra leads Xiaomi 12T by 181.1% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K90 Ultra
$420
Xiaomi 12T
$380

Launch price difference: $40. Xiaomi 12T was $40 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Xiaomi 12T (92/100 vs 60/100).

display

In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 83/100).

camera

In the "camera" category, the Xiaomi 12T notably outperforms the Redmi K90 Ultra (53/100 vs 37/100).

battery

In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100).

portability

In the "portability" category, the Xiaomi 12T is a bit better (51/100 vs 40/100).

Frequently asked questions
Which is better: the Redmi K90 Ultra or the Xiaomi 12T?

The Redmi K90 Ultra is noticeably better than the Xiaomi 12T — the overall rating gap is 12 points.

What is the rating of the Redmi K90 Ultra and the Xiaomi 12T?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Xiaomi 12T — 61/100.

Which has the better camera: the Redmi K90 Ultra or the Xiaomi 12T?

The Xiaomi 12T leads on camera score (53/100 vs 37/100).

Which is more powerful: the Redmi K90 Ultra or the Xiaomi 12T?

The Redmi K90 Ultra leads on performance (92/100 vs 60/100).

Should you choose the Redmi K90 Ultra over the Xiaomi 12T?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 12T is a better fit for active users.