Poco F8 Ultra vs Redmi K90 Ultra

The Poco F8 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $729 and $420. By overall MobileRank rating, the Poco F8 Ultra leads — 89/100 vs 73/100 (a 16-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the main camera is 200 MP vs 50 MP; the Poco F8 Ultra is faster in AnTuTu (3,651,476 vs 3,233,695).

The Poco F8 Ultra is noticeably better than the Redmi K90 Ultra — the overall rating gap is 16 points.

Profile comparison

Category scores

Poco F8 Ultra

Performance 97
Display 90
Camera 90
Battery 85
Portability 49
Value for money 92

Redmi K90 Ultra

Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 72

What makes Poco F8 Ultra better?

  • Higher AnTuTu: 3651476 vs 3233695
  • Better Geekbench Single: 3639 vs 3013
  • Better Geekbench Multi: 11047 vs 9287
  • Better main camera: 200MP vs 50MP
  • Lighter: 218g vs 227g

  • Higher performance (97/100 vs 92/100)
  • Better camera (90/100 vs 37/100)
  • Longer battery life (85/100 vs 78/100)
  • Better portability (49/100 vs 40/100)

What makes Redmi K90 Ultra better?

  • Bigger battery: 8550 vs 6500 mAh
  • Higher refresh rate: 165Hz vs 120Hz
  • Cheaper at launch: $420 vs $729

  • Better display (94/100 vs 90/100)

Comparison verdict

Comparing the Poco F8 Ultra vs the Redmi K90 Ultra, the Poco F8 Ultra scores 16 points higher (89/100 vs 73/100). In the "camera" category, the Poco F8 Ultra leads (90/100 vs 37/100). Value score: Poco F8 Ultra — 92/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Poco F8 Ultra is a bit better (97/100 vs 92/100). In the "display" category, the Redmi K90 Ultra and the Poco F8 Ultra are nearly equal (94/100 vs 90/100). In the "camera" category, the Poco F8 Ultra significantly outperforms the Redmi K90 Ultra (90/100 vs 37/100). In the "battery" category, the Poco F8 Ultra is a bit better (85/100 vs 78/100). In the "portability" category, the Poco F8 Ultra is a bit better (49/100 vs 40/100).

Poco F8 Ultra: The Poco F8 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.
Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.

Specs comparison

Specification Poco F8 Ultra Redmi K90 Ultra
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite
AnTuTu 3651476 3233695
Geekbench Single 3639 3013
Geekbench Multi 11047 9287
Display 6.7" LTPO AMOLED 6.8" AMOLED
Resolution 3200x1440 1280x2772
Refresh rate 120 Hz 165 Hz
Battery 6500 mAh 8550 mAh
Charging 100W 100W
Wireless charging 50W 0W
Main camera 200 MP 50 MP
Ultrawide 50 MP 8 MP
Telephoto 50 MP 0 MP
Front camera 32 MP 20 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 15 Android 16
Brightness (peak) 3500 nits 3500 nits
NFC yes yes
Protection IP68 IP68/IP69
Dimensions 163.3×77.8×7.9 mm 162.9×77.9×8.2 mm
Weight 218 g 227 g
Launch price $729 $420

Camera comparison

Poco F8 Ultra

  • Main: 200MP f/1.63
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
90
camera

Redmi K90 Ultra

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

Display comparison

Poco F8 Ultra

  • 6.7" LTPO AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
90
display

Redmi K90 Ultra

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

Battery and charging

Poco F8 Ultra

  • 6500 mAh
  • NanoReview test: web browsing 15:14 hrs, total 32:38 hrs
  • Wired: 100W
  • Wireless: 50W
85
battery

Redmi K90 Ultra

  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery

Overall performance score

We compared Poco F8 Ultra and Redmi K90 Ultra, covering their specs and all relevant benchmarks.

Poco F8 Ultra Qualcomm Snapdragon 8 Elite Gen 5
89/100
3651476 AnTuTu
Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100 -12.9%
3233695 AnTuTu

Poco F8 Ultra leads Redmi K90 Ultra by 12.9% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Poco F8 Ultra

$729

Redmi K90 Ultra

$420

Launch price difference: $309. Redmi K90 Ultra was $309 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Poco F8 Ultra is a bit better (97/100 vs 92/100).

display

In the "display" category, the Redmi K90 Ultra and the Poco F8 Ultra are nearly equal (94/100 vs 90/100).

camera

In the "camera" category, the Poco F8 Ultra significantly outperforms the Redmi K90 Ultra (90/100 vs 37/100).

battery

In the "battery" category, the Poco F8 Ultra is a bit better (85/100 vs 78/100).

portability

In the "portability" category, the Poco F8 Ultra is a bit better (49/100 vs 40/100).

Frequently asked questions

Which is better: the Poco F8 Ultra or the Redmi K90 Ultra?

The Poco F8 Ultra is noticeably better than the Redmi K90 Ultra — the overall rating gap is 16 points.

What is the rating of the Poco F8 Ultra and the Redmi K90 Ultra?

The Poco F8 Ultra has a MobileRank rating of 89/100, the Redmi K90 Ultra — 73/100.

Which has the better camera: the Poco F8 Ultra or the Redmi K90 Ultra?

The Poco F8 Ultra leads on camera score (90/100 vs 37/100).

Which is more powerful: the Poco F8 Ultra or the Redmi K90 Ultra?

The Poco F8 Ultra leads on performance (97/100 vs 92/100).

Should you choose the Poco F8 Ultra over the Redmi K90 Ultra?

The Poco F8 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.