Redmi K90 vs Vivo S18e

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S18e (2023) runs on the MediaTek Dimensity 7200. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 53/100 (a 23-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4800); the Redmi K90 is faster in AnTuTu (3,088,357 vs 971,424).

The Redmi K90 significantly outperforms the Vivo S18e by 23 points (76/100 vs 53/100).
Profile comparison
Category scores
Redmi K90
Performance 92
Display 82
Camera 58
Battery 72
Portability 55
Value for money 90
Vivo S18e
Performance 57
Display 79
Camera 32
Battery 52
Portability 66
Value for money
What makes Redmi K90 better?
  • Higher AnTuTu: 3088357 vs 971424
  • Better Geekbench Single: 3041 vs 1167
  • Better Geekbench Multi: 9494 vs 2577
  • Bigger battery: 7100 vs 4800 mAh
  • Faster charging: 100W vs 80W

  • Higher performance (92/100 vs 57/100)
  • Better camera (58/100 vs 32/100)
  • Longer battery life (72/100 vs 52/100)
  • Better display (82/100 vs 79/100)
What makes Vivo S18e better?
  • Lighter: 193g vs 206g

  • Better portability (66/100 vs 55/100)
Comparison verdict

Comparing the Redmi K90 vs the Vivo S18e, the Redmi K90 scores 23 points higher (76/100 vs 53/100). In the "performance" category, the Redmi K90 leads (92/100 vs 57/100). In the "camera" category, the Redmi K90 leads (58/100 vs 32/100). In the "battery" category, the Redmi K90 leads (72/100 vs 52/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo S18e (92/100 vs 57/100). In the "display" category, the Redmi K90 and the Vivo S18e are nearly equal (82/100 vs 79/100). In the "camera" category, the Redmi K90 notably outperforms the Vivo S18e (58/100 vs 32/100). In the "battery" category, the Redmi K90 notably outperforms the Vivo S18e (72/100 vs 52/100). In the "portability" category, the Vivo S18e is a bit better (66/100 vs 55/100).

Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.
Vivo S18e: The Vivo S18e is a better fit for everyday use.
Specs comparison
Specification Redmi K90 Vivo S18e
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 7200
AnTuTu 3088357 971424
Geekbench Single 3041 1167
Geekbench Multi 9494 2577
Display 6.6" AMOLED 6.7" AMOLED
Resolution 2510x1156 1080x2400
Refresh rate 120 Hz 120 Hz
Battery 7100 mAh 4800 mAh
Charging 100W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Telephoto 50 MP 0 MP
Front camera 20 MP 16 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 16 Android 14, OriginOS 4
Brightness (peak) 3500 nits 1800 nits
NFC yes yes
Protection IP68 IP54
Dimensions 157.5×75.3×8.0 mm 162.4×74.9×7.7 mm
Weight 206 g 193 g
Launch price $401
Camera comparison
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera
Vivo S18e
  • Main: 50MP f/f/1.8
  • Front: 16MP
32
camera
Display comparison
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display
Vivo S18e
  • 6.7" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
79
display
Battery and charging
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo S18e
  • 4800 mAh
  • Wired: 80W
  • No wireless charging
52
battery
Overall performance score

We compared Redmi K90 and Vivo S18e, covering their specs and all relevant benchmarks.

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3088357 AnTuTu
Vivo S18e MediaTek Dimensity 7200
53/100 -217.9%
971424 AnTuTu

Redmi K90 leads Vivo S18e by 217.9% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K90
$401
Vivo S18e
Price unknown
Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Vivo S18e (92/100 vs 57/100).

display

In the "display" category, the Redmi K90 and the Vivo S18e are nearly equal (82/100 vs 79/100).

camera

In the "camera" category, the Redmi K90 notably outperforms the Vivo S18e (58/100 vs 32/100).

battery

In the "battery" category, the Redmi K90 notably outperforms the Vivo S18e (72/100 vs 52/100).

portability

In the "portability" category, the Vivo S18e is a bit better (66/100 vs 55/100).

Frequently asked questions
Which is better: the Redmi K90 or the Vivo S18e?

The Redmi K90 significantly outperforms the Vivo S18e by 23 points (76/100 vs 53/100).

What is the rating of the Redmi K90 and the Vivo S18e?

The Redmi K90 has a MobileRank rating of 76/100, the Vivo S18e — 53/100.

Which has the better camera: the Redmi K90 or the Vivo S18e?

The Redmi K90 leads on camera score (58/100 vs 32/100).

Which is more powerful: the Redmi K90 or the Vivo S18e?

The Redmi K90 leads on performance (92/100 vs 57/100).

Should you choose the Redmi K90 over the Vivo S18e?

The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Vivo S18e is a better fit for everyday use.