Redmi K90 vs Vivo S17

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S17 (2023) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 56/100 (a 20-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4600); the Redmi K90 is faster in AnTuTu (3,088,357 vs 820,210); the Vivo S17 is noticeably lighter (186g vs 206g).

The Redmi K90 significantly outperforms the Vivo S17 by 20 points (76/100 vs 56/100).
Profile comparison
Category scores
Redmi K90
Performance 92
Display 82
Camera 58
Battery 72
Portability 55
Value for money 90
Vivo S17
Performance 55
Display 84
Camera 44
Battery 47
Portability 72
Value for money
What makes Redmi K90 better?
  • Higher AnTuTu: 3088357 vs 820210
  • Better Geekbench Single: 3041 vs 1059
  • Better Geekbench Multi: 9494 vs 3012
  • Bigger battery: 7100 vs 4600 mAh
  • Faster charging: 100W vs 80W

  • Higher performance (92/100 vs 55/100)
  • Better camera (58/100 vs 44/100)
  • Longer battery life (72/100 vs 47/100)
What makes Vivo S17 better?
  • Lighter: 186g vs 206g

  • Better display (84/100 vs 82/100)
  • Better portability (72/100 vs 55/100)
Comparison verdict

Comparing the Redmi K90 vs the Vivo S17, the Redmi K90 scores 20 points higher (76/100 vs 56/100). In the "performance" category, the Redmi K90 leads (92/100 vs 55/100). In the "camera" category, the Redmi K90 leads (58/100 vs 44/100). In the "battery" category, the Redmi K90 leads (72/100 vs 47/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo S17 (92/100 vs 55/100). In the "display" category, the Vivo S17 and the Redmi K90 are nearly equal (84/100 vs 82/100). In the "camera" category, the Redmi K90 is a bit better (58/100 vs 44/100). In the "battery" category, the Redmi K90 notably outperforms the Vivo S17 (72/100 vs 47/100). In the "portability" category, the Vivo S17 notably outperforms the Redmi K90 (72/100 vs 55/100).

Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.
Vivo S17: The Vivo S17 is a better fit for everyday use.
Specs comparison
Specification Redmi K90 Vivo S17
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 778G+ 5G
AnTuTu 3088357 820210
Geekbench Single 3041 1059
Geekbench Multi 9494 3012
Display 6.6" AMOLED 6.8" AMOLED
Resolution 2510x1156 1260x2800
Refresh rate 120 Hz 120 Hz
Battery 7100 mAh 4600 mAh
Charging 100W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Telephoto 50 MP 0 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 16 Android 13, OriginOS 3
Brightness (peak) 3500 nits 1300 nits
NFC yes yes
Protection IP68
Dimensions 157.5×75.3×8.0 mm 164.2×74.4×7.5 mm
Weight 206 g 186 g
Launch price $401
Camera comparison
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera
Vivo S17
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Front: 50MP
44
camera
Display comparison
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display
Vivo S17
  • 6.8" AMOLED
  • Resolution: 1260x2800
  • Refresh rate: 120 Hz
84
display
Battery and charging
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo S17
  • 4600 mAh
  • Wired: 80W
  • No wireless charging
47
battery
Overall performance score

We compared Redmi K90 and Vivo S17, covering their specs and all relevant benchmarks.

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3088357 AnTuTu
Vivo S17 Qualcomm Snapdragon 778G+ 5G
56/100 -276.5%
820210 AnTuTu

Redmi K90 leads Vivo S17 by 276.5% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K90
$401
Vivo S17
Price unknown
Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Vivo S17 (92/100 vs 55/100).

display

In the "display" category, the Vivo S17 and the Redmi K90 are nearly equal (84/100 vs 82/100).

camera

In the "camera" category, the Redmi K90 is a bit better (58/100 vs 44/100).

battery

In the "battery" category, the Redmi K90 notably outperforms the Vivo S17 (72/100 vs 47/100).

portability

In the "portability" category, the Vivo S17 notably outperforms the Redmi K90 (72/100 vs 55/100).

Frequently asked questions
Which is better: the Redmi K90 or the Vivo S17?

The Redmi K90 significantly outperforms the Vivo S17 by 20 points (76/100 vs 56/100).

What is the rating of the Redmi K90 and the Vivo S17?

The Redmi K90 has a MobileRank rating of 76/100, the Vivo S17 — 56/100.

Which has the better camera: the Redmi K90 or the Vivo S17?

The Redmi K90 leads on camera score (58/100 vs 44/100).

Which is more powerful: the Redmi K90 or the Vivo S17?

The Redmi K90 leads on performance (92/100 vs 55/100).

Should you choose the Redmi K90 over the Vivo S17?

The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Vivo S17 is a better fit for everyday use.