Redmi K90 Ultra vs Vivo Y23

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y23 (2022) runs on the MediaTek Dimensity 920. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 52/100 (a 21-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4000); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 750,481); the Redmi K90 Ultra has NFC for contactless payments, the Vivo Y23 doesn't; the Vivo Y23 is noticeably lighter (179g vs 227g).

The Redmi K90 Ultra significantly outperforms the Vivo Y23 by 21 points (73/100 vs 52/100).
Profile comparison
Category scores
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
Vivo Y23
Performance 51
Display 84
Camera 51
Battery 25
Portability 78
Value for money
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 750481
  • Better Geekbench Single: 3041 vs 936
  • Better Geekbench Multi: 9494 vs 2318
  • Bigger battery: 8550 vs 4000 mAh

  • Higher performance (92/100 vs 51/100)
  • Longer battery life (78/100 vs 25/100)
  • Better display (94/100 vs 84/100)
What makes Vivo Y23 better?
  • Better main camera: 64MP vs 50MP
  • Lighter: 179g vs 227g

  • Better camera (51/100 vs 37/100)
  • Better portability (78/100 vs 40/100)
Comparison verdict

Comparing the Redmi K90 Ultra vs the Vivo Y23, the Redmi K90 Ultra scores 21 points higher (73/100 vs 52/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 51/100). In the "camera" category, the Vivo Y23 leads (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 25/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y23 (92/100 vs 51/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the Vivo Y23 is a bit better (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo Y23 (78/100 vs 25/100). In the "portability" category, the Vivo Y23 significantly outperforms the Redmi K90 Ultra (78/100 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.
Vivo Y23: The Vivo Y23 is a better fit for everyday use.
Specs comparison
Specification Redmi K90 Ultra Vivo Y23
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 920
AnTuTu 3119308 750481
Geekbench Single 3041 936
Geekbench Multi 9494 2318
Display 6.8" AMOLED 6.4" Amoled
Resolution 1280x2772 1080x2400
Refresh rate 165 Hz
Battery 8550 mAh 4000 mAh
Charging 100W
Main camera 50 MP 64 MP
Ultrawide 8 MP 8 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB
Storage 256GB / 512GB 128GB / 256GB
OS Android 16 Android 12 Snow Cone
Brightness (peak) 3500 nits
NFC yes no
Protection IP68/IP69
Dimensions 162.9×77.9×8.2 mm 157.2×72.4×7.4 mm
Weight 227 g 179 g
Launch price $420
Camera comparison
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Vivo Y23
  • Main: 64MP
  • Ultrawide: 8MP
  • Front: 50MP
51
camera
Display comparison
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display
Vivo Y23
  • 6.4" Amoled
  • Resolution: 1080x2400
  • Refresh rate: —
84
display
Battery and charging
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Vivo Y23
  • 4000 mAh
  • No wireless charging
25
battery
Overall performance score

We compared Redmi K90 Ultra and Vivo Y23, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3119308 AnTuTu
Vivo Y23 MediaTek Dimensity 920
52/100 -315.6%
750481 AnTuTu

Redmi K90 Ultra leads Vivo Y23 by 315.6% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K90 Ultra
$420
Vivo Y23
Price unknown
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y23 (92/100 vs 51/100).

display

In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).

camera

In the "camera" category, the Vivo Y23 is a bit better (51/100 vs 37/100).

battery

In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo Y23 (78/100 vs 25/100).

portability

In the "portability" category, the Vivo Y23 significantly outperforms the Redmi K90 Ultra (78/100 vs 40/100).

Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo Y23?

The Redmi K90 Ultra significantly outperforms the Vivo Y23 by 21 points (73/100 vs 52/100).

What is the rating of the Redmi K90 Ultra and the Vivo Y23?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo Y23 — 52/100.

Which has the better camera: the Redmi K90 Ultra or the Vivo Y23?

The Vivo Y23 leads on camera score (51/100 vs 37/100).

Which is more powerful: the Redmi K90 Ultra or the Vivo Y23?

The Redmi K90 Ultra leads on performance (92/100 vs 51/100).

Should you choose the Redmi K90 Ultra over the Vivo Y23?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y23 is a better fit for everyday use.