Poco F8 Ultra vs Redmi K90

The Poco F8 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $729 and $401. By overall MobileRank rating, the Poco F8 Ultra leads — 83/100 vs 68/100 (a 15-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6500); the main camera is 200 MP vs 50 MP; the Poco F8 Ultra is faster in AnTuTu (3,640,351 vs 3,088,357).

The Poco F8 Ultra is noticeably better than the Redmi K90 — the overall rating gap is 15 points.
Profile comparison
Category scores
Poco F8 Ultra
Performance 87
Display 100
Camera 90
Battery 77
Design 27
Value for money 60
Redmi K90
Performance 69
Display 100
Camera 53
Battery 71
Design 42
Value for money 82
What makes Poco F8 Ultra better?
  • Higher AnTuTu: 3640351 vs 3088357
  • Better Geekbench Single: 3640 vs 3050
  • Better Geekbench Multi: 11033 vs 9300
  • Better main camera: 200MP vs 50MP

  • Higher performance (87/100 vs 69/100)
  • Better camera (90/100 vs 53/100)
  • Longer battery life (77/100 vs 71/100)
What makes Redmi K90 better?
  • Bigger battery: 7100 vs 6500 mAh
  • Lighter: 206g vs 218g
  • Cheaper: $401 vs $729

  • Better design/ergonomics (42/100 vs 27/100)
  • Better value for money (82/100 vs 60/100)
Comparison verdict

Comparing the Poco F8 Ultra vs the Redmi K90, the Poco F8 Ultra scores 15 points higher (83/100 vs 68/100). In the "performance" category, the Poco F8 Ultra leads (87/100 vs 69/100). In the "camera" category, the Poco F8 Ultra leads (90/100 vs 53/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 60/100). In the "performance" category, the Poco F8 Ultra notably outperforms the Redmi K90 (87/100 vs 69/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Poco F8 Ultra significantly outperforms the Redmi K90 (90/100 vs 53/100). In the "battery" category, the Poco F8 Ultra is a bit better (77/100 vs 71/100). In the "design" category, the Redmi K90 notably outperforms the Poco F8 Ultra (42/100 vs 27/100). In the "value for money" category, the Redmi K90 notably outperforms the Poco F8 Ultra (82/100 vs 60/100).

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.
Redmi K90: The Redmi K90 is a better fit for active users, budget-conscious buyers.
Specs comparison
Specification Poco F8 Ultra Redmi K90
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite
AnTuTu 3640351 3088357
Geekbench Single 3640 3050
Geekbench Multi 11033 9300
Display 6.7" LTPO AMOLED 6.6" AMOLED
Resolution 3200x1440 2510x1156
Refresh rate 120 Hz 120 Hz
Battery 6500 mAh 7100 mAh
Charging 100W 100W
Wireless charging 50W 0W
Main camera 200 MP 50 MP
Ultrawide 50 MP 8 MP
Telephoto 50 MP 50 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
Dimensions 163.3×77.8×7.9 mm 157.5×75.3×8.0 mm
Weight 218 g 206 g
Price $729 $401
Camera comparison
Poco F8 Ultra
  • Main: 200MP f/1.63
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
90
camera
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
53
camera
Display comparison
Poco F8 Ultra
  • 6.7" LTPO AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
100
display
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
100
display
Battery and charging
Poco F8 Ultra
  • 6500 mAh
  • NanoReview test: web browsing 15:14 hrs, total 32:38 hrs
  • Wired: 100W
  • Wireless: 50W
77
battery
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
71
battery
Overall performance score

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

Poco F8 Ultra Qualcomm Snapdragon 8 Elite Gen 5
83/100
3640351 AnTuTu
Redmi K90 Qualcomm Snapdragon 8 Elite
68/100 -17.9%
3088357 AnTuTu

Poco F8 Ultra leads Redmi K90 by 17.9% in our overall performance rating.

Benchmarks
Price and availability
Poco F8 Ultra
$729
Redmi K90
$401

Price difference: $328. Redmi K90 is cheaper by $328.

Detailed category analysis
performance

In the "performance" category, the Poco F8 Ultra notably outperforms the Redmi K90 (87/100 vs 69/100).

display

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

camera

In the "camera" category, the Poco F8 Ultra significantly outperforms the Redmi K90 (90/100 vs 53/100).

battery

In the "battery" category, the Poco F8 Ultra is a bit better (77/100 vs 71/100).

design

In the "design" category, the Redmi K90 notably outperforms the Poco F8 Ultra (42/100 vs 27/100).

value for money

In the "value for money" category, the Redmi K90 notably outperforms the Poco F8 Ultra (82/100 vs 60/100).

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

The Poco F8 Ultra is noticeably better than the Redmi K90 — the overall rating gap is 15 points.

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

The Poco F8 Ultra has a MobileRank rating of 83/100, the Redmi K90 — 68/100.

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

The Poco F8 Ultra leads on camera score (90/100 vs 53/100).

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

The Poco F8 Ultra leads on performance (87/100 vs 69/100).

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

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