Redmi K90 Ultra vs Vivo S20 Pro

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S20 Pro (2024) runs on the MediaTek Dimensity 9300+. By overall MobileRank rating, the Vivo S20 Pro leads — 78/100 vs 73/100 (a 5-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5500); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 2,351,914); the Vivo S20 Pro is noticeably lighter (194g vs 227g).

The Vivo S20 Pro edges out the Redmi K90 Ultra by just 5 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
Vivo S20 Pro
Performance 83
Display 85
Camera 81
Battery 64
Portability 67
Value for money
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 2351914
  • Better Geekbench Single: 3041 vs 2250
  • Better Geekbench Multi: 9494 vs 7315
  • Bigger battery: 8550 vs 5500 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 83/100)
  • Longer battery life (78/100 vs 64/100)
  • Better display (94/100 vs 85/100)
What makes Vivo S20 Pro better?
  • Lighter: 194g vs 227g

  • Better camera (81/100 vs 37/100)
  • Better portability (67/100 vs 40/100)
Comparison verdict

Comparing the Redmi K90 Ultra vs the Vivo S20 Pro, the Vivo S20 Pro scores 5 points higher (78/100 vs 73/100). In the "camera" category, the Vivo S20 Pro leads (81/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 83/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo S20 Pro significantly outperforms the Redmi K90 Ultra (81/100 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 Vivo S20 Pro notably outperforms the Redmi K90 Ultra (67/100 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 S20 Pro: The Vivo S20 Pro is a better fit for gamers and power users, mobile photography enthusiasts.
Specs comparison
Specification Redmi K90 Ultra Vivo S20 Pro
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9300+
AnTuTu 3119308 2351914
Geekbench Single 3041 2250
Geekbench Multi 9494 7315
Display 6.8" AMOLED 6.7" AMOLED
Resolution 1280x2772 1260x2800
Refresh rate 165 Hz 120 Hz
Battery 8550 mAh 5500 mAh
Charging 100W 90W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 16 Android 15, OriginOS 5
Brightness (peak) 3500 nits 5000 nits
NFC yes yes
Protection IP68/IP69 IP64
Dimensions 162.9×77.9×8.2 mm 160.6×75.0×7.5 mm
Weight 227 g 194 g
Launch price $420
Camera comparison
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Vivo S20 Pro
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 50MP
81
camera
Display comparison
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display
Vivo S20 Pro
  • 6.7" AMOLED
  • Resolution: 1260x2800
  • Refresh rate: 120 Hz
85
display
Battery and charging
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Vivo S20 Pro
  • 5500 mAh
  • Wired: 90W
  • No wireless charging
64
battery
Overall performance score

We compared Redmi K90 Ultra and Vivo S20 Pro, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3119308 AnTuTu
Vivo S20 Pro MediaTek Dimensity 9300+
78/100 -32.6%
2351914 AnTuTu

Redmi K90 Ultra leads Vivo S20 Pro by 32.6% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K90 Ultra
$420
Vivo S20 Pro
Price unknown
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 83/100).

display

In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).

camera

In the "camera" category, the Vivo S20 Pro significantly outperforms the Redmi K90 Ultra (81/100 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 Vivo S20 Pro notably outperforms the Redmi K90 Ultra (67/100 vs 40/100).

Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo S20 Pro?

The Vivo S20 Pro edges out the Redmi K90 Ultra by just 5 points — the two devices are very close in overall level.

What is the rating of the Redmi K90 Ultra and the Vivo S20 Pro?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo S20 Pro — 78/100.

Which has the better camera: the Redmi K90 Ultra or the Vivo S20 Pro?

The Vivo S20 Pro leads on camera score (81/100 vs 37/100).

Which is more powerful: the Redmi K90 Ultra or the Vivo S20 Pro?

The Redmi K90 Ultra leads on performance (92/100 vs 83/100).

Should you choose the Redmi K90 Ultra over the Vivo S20 Pro?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo S20 Pro is a better fit for gamers and power users, mobile photography enthusiasts.