Redmi K80 Ultra vs Redmi Note 9S

The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi Note 9S (2020) runs on the Qualcomm Snapdragon 720G; launch prices were $350 and $200. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 39/100 (a 34-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5020); the main camera is 50 MP vs 48 MP; the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 517,460); the Redmi K80 Ultra has NFC for contactless payments, the Redmi Note 9S doesn't.

The Redmi K80 Ultra significantly outperforms the Redmi Note 9S by 34 points (73/100 vs 39/100).

Profile comparison

Category scores

Redmi K80 Ultra

Performance 89
Display 94
Camera 37
Battery 86
Portability 40
Value for money 80

Redmi Note 9S

Performance 41
Display 42
Camera 34
Battery 43
Portability 44
Value for money 38

What makes Redmi K80 Ultra better?

  • Higher AnTuTu: 2874956 vs 517460
  • Better Geekbench Single: 2729 vs 746
  • Better Geekbench Multi: 8430 vs 1762
  • Bigger battery: 7410 vs 5020 mAh
  • Faster charging: 100W vs 18W
  • Better main camera: 50MP vs 48MP
  • Higher refresh rate: 144Hz vs 60Hz

  • Higher performance (89/100 vs 41/100)
  • Better camera (37/100 vs 34/100)
  • Longer battery life (86/100 vs 43/100)
  • Better display (94/100 vs 42/100)

What makes Redmi Note 9S better?

  • Lighter: 210g vs 219g
  • Cheaper at launch: $200 vs $350

  • Better portability (44/100 vs 40/100)

Comparison verdict

Comparing the Redmi K80 Ultra vs the Redmi Note 9S, the Redmi K80 Ultra scores 34 points higher (73/100 vs 39/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 41/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 43/100). Value score: Redmi K80 Ultra — 80/100, Redmi Note 9S — 38/100; 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 Redmi K80 Ultra significantly outperforms the Redmi Note 9S (89/100 vs 41/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 42/100). In the "camera" category, the Redmi K80 Ultra and the Redmi Note 9S are nearly equal (37/100 vs 34/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (86/100 vs 43/100). In the "portability" category, the Redmi Note 9S and the Redmi K80 Ultra are nearly equal (44/100 vs 40/100).

Redmi K80 Ultra: The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K80 Ultra Redmi Note 9S
Processor MediaTek Dimensity 9400+ Qualcomm Snapdragon 720G
AnTuTu 2874956 517460
Geekbench Single 2729 746
Geekbench Multi 8430 1762
Display 6.8" OLED 6.7" IPS LCD
Resolution 1280x2772 2400x1080
Refresh rate 144 Hz 60 Hz
Battery 7410 mAh 5020 mAh
Charging 100W 18W
Main camera 50 MP 48 MP
Ultrawide 8 MP 8 MP
Front camera 20 MP 16 MP
RAM 12GB / 16GB 4GB / 6GB
Storage 256GB / 512GB / 1TB 64GB / 128GB
OS Android 15 Android 10
Brightness (peak) 3200 nits 450 nits
NFC yes no
Protection IP68 —
Dimensions — 165.8×76.7×8.8 mm
Weight 219 g 210 g
Launch price $350 $200

Camera comparison

Redmi K80 Ultra

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Redmi Note 9S

  • Main: 48MP f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
34
camera

Display comparison

Redmi K80 Ultra

  • 6.8" OLED
  • Resolution: 1280x2772
  • Refresh rate: 144 Hz
94
display

Redmi Note 9S

  • 6.7" IPS LCD
  • Resolution: 2400x1080
  • Refresh rate: 60 Hz
42
display

Battery and charging

Redmi K80 Ultra

  • 7410 mAh
  • Wired: 100W
  • Wireless charging: no data
86
battery

Redmi Note 9S

  • 5020 mAh
  • Wired: 18W
  • No wireless charging
43
battery

Overall performance score

We compared Redmi K80 Ultra and Redmi Note 9S, covering their specs and all relevant benchmarks.

Redmi K80 Ultra MediaTek Dimensity 9400+
73/100
2874956 AnTuTu
Redmi Note 9S Qualcomm Snapdragon 720G
39/100 -455.6%
517460 AnTuTu

Redmi K80 Ultra leads Redmi Note 9S by 455.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K80 Ultra

$350

Redmi Note 9S

$200

Launch price difference: $150. Redmi Note 9S was $150 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (89/100 vs 41/100).

display

In the "display" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (94/100 vs 42/100).

camera

In the "camera" category, the Redmi K80 Ultra and the Redmi Note 9S are nearly equal (37/100 vs 34/100).

battery

In the "battery" category, the Redmi K80 Ultra significantly outperforms the Redmi Note 9S (86/100 vs 43/100).

portability

In the "portability" category, the Redmi Note 9S and the Redmi K80 Ultra are nearly equal (44/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K80 Ultra or the Redmi Note 9S?

The Redmi K80 Ultra significantly outperforms the Redmi Note 9S by 34 points (73/100 vs 39/100).

What is the rating of the Redmi K80 Ultra and the Redmi Note 9S?

The Redmi K80 Ultra has a MobileRank rating of 73/100, the Redmi Note 9S — 39/100.

Which is more powerful: the Redmi K80 Ultra or the Redmi Note 9S?

The Redmi K80 Ultra leads on performance (89/100 vs 41/100).

Should you choose the Redmi K80 Ultra over the Redmi Note 9S?

The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.