Redmi K90 vs Vivo Y21e

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y21e (2022) runs on the Qualcomm Snapdragon 680 4G. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 30/100 (a 46-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Redmi K90 is faster in AnTuTu (3,086,235 vs 421,228); the Redmi K90 has NFC for contactless payments, the Vivo Y21e doesn't; the Vivo Y21e is noticeably lighter (182g vs 206g).

The Redmi K90 significantly outperforms the Vivo Y21e by 46 points (76/100 vs 30/100).
Profile comparison
Category scores
Redmi K90
Performance 92
Display 82
Camera 58
Battery 72
Portability 55
Value for money 90
Vivo Y21e
Performance 31
Display 39
Camera 10
Battery 43
Portability 70
Value for money
What makes Redmi K90 better?
  • Higher AnTuTu: 3086235 vs 421228
  • Better Geekbench Single: 3041 vs 412
  • Better Geekbench Multi: 9494 vs 1410
  • Bigger battery: 7100 vs 5000 mAh
  • Faster charging: 100W vs 18W
  • Better main camera: 50MP vs 13MP

  • Higher performance (92/100 vs 31/100)
  • Better camera (58/100 vs 10/100)
  • Longer battery life (72/100 vs 43/100)
  • Better display (82/100 vs 39/100)
What makes Vivo Y21e better?
  • Lighter: 182g vs 206g

  • Better portability (70/100 vs 55/100)
Comparison verdict

Comparing the Redmi K90 vs the Vivo Y21e, the Redmi K90 scores 46 points higher (76/100 vs 30/100). In the "performance" category, the Redmi K90 leads (92/100 vs 31/100). In the "camera" category, the Redmi K90 leads (58/100 vs 10/100). In the "battery" category, the Redmi K90 leads (72/100 vs 43/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y21e (92/100 vs 31/100). In the "display" category, the Redmi K90 significantly outperforms the Vivo Y21e (82/100 vs 39/100). In the "camera" category, the Redmi K90 significantly outperforms the Vivo Y21e (58/100 vs 10/100). In the "battery" category, the Redmi K90 notably outperforms the Vivo Y21e (72/100 vs 43/100). In the "portability" category, the Vivo Y21e notably outperforms the Redmi K90 (70/100 vs 55/100).

Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.
Vivo Y21e: The Vivo Y21e is a better fit for everyday use.
Specs comparison
Specification Redmi K90 Vivo Y21e
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 680 4G
AnTuTu 3086235 421228
Geekbench Single 3041 412
Geekbench Multi 9494 1410
Display 6.6" AMOLED 6.5" IPS LCD
Resolution 2510x1156 720x1600
Refresh rate 120 Hz
Battery 7100 mAh 5000 mAh
Charging 100W 18W
Main camera 50 MP 13 MP
Ultrawide 8 MP 0 MP
Telephoto 50 MP 0 MP
Front camera 20 MP 8 MP
RAM 12GB / 16GB 3GB
Storage 256GB / 512GB 64GB
OS Android 16 Android 11, Funtouch 12
Brightness (peak) 3500 nits
NFC yes no
Protection IP68
Dimensions 157.5×75.3×8.0 mm 164.3×76.1×8.0 mm
Weight 206 g 182 g
Launch price $401
Camera comparison
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera
Vivo Y21e
  • Main: 13MP f/f/2.2
  • Front: 8MP
10
camera
Display comparison
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display
Vivo Y21e
  • 6.5" IPS LCD
  • Resolution: 720x1600
  • Refresh rate: —
39
display
Battery and charging
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo Y21e
  • 5000 mAh
  • Wired: 18W
  • No wireless charging
43
battery
Overall performance score

We compared Redmi K90 and Vivo Y21e, covering their specs and all relevant benchmarks.

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3086235 AnTuTu
Vivo Y21e Qualcomm Snapdragon 680 4G
30/100 -632.7%
421228 AnTuTu

Redmi K90 leads Vivo Y21e by 632.7% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K90
$401
Vivo Y21e
Price unknown
Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y21e (92/100 vs 31/100).

display

In the "display" category, the Redmi K90 significantly outperforms the Vivo Y21e (82/100 vs 39/100).

camera

In the "camera" category, the Redmi K90 significantly outperforms the Vivo Y21e (58/100 vs 10/100).

battery

In the "battery" category, the Redmi K90 notably outperforms the Vivo Y21e (72/100 vs 43/100).

portability

In the "portability" category, the Vivo Y21e notably outperforms the Redmi K90 (70/100 vs 55/100).

Frequently asked questions
Which is better: the Redmi K90 or the Vivo Y21e?

The Redmi K90 significantly outperforms the Vivo Y21e by 46 points (76/100 vs 30/100).

What is the rating of the Redmi K90 and the Vivo Y21e?

The Redmi K90 has a MobileRank rating of 76/100, the Vivo Y21e — 30/100.

Which has the better camera: the Redmi K90 or the Vivo Y21e?

The Redmi K90 leads on camera score (58/100 vs 10/100).

Which is more powerful: the Redmi K90 or the Vivo Y21e?

The Redmi K90 leads on performance (92/100 vs 31/100).

Should you choose the Redmi K90 over the Vivo Y21e?

The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Vivo Y21e is a better fit for everyday use.