Oppo A11 vs Redmi K90 Ultra

The Oppo A11 (2019) runs on the Qualcomm Snapdragon 665, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 28/100 (a 45-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 12 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 329,457); the Redmi K90 Ultra has NFC for contactless payments, the Oppo A11 doesn't; the Oppo A11 is noticeably lighter (195g vs 227g).

The Redmi K90 Ultra significantly outperforms the Oppo A11 by 45 points (73/100 vs 28/100).
Profile comparison
Category scores
Oppo A11
Performance 24
Display 39
Camera 13
Battery 43
Portability 50
Value for money
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
What makes Oppo A11 better?
  • Lighter: 195g vs 227g

  • Better portability (50/100 vs 40/100)
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 329457
  • Better Geekbench Single: 3041 vs 321
  • Better Geekbench Multi: 9494 vs 1128
  • Bigger battery: 8550 vs 5000 mAh
  • Faster charging: 100W vs 10W
  • Better main camera: 50MP vs 12MP

  • Higher performance (92/100 vs 24/100)
  • Better camera (37/100 vs 13/100)
  • Longer battery life (78/100 vs 43/100)
  • Better display (94/100 vs 39/100)
Comparison verdict

Comparing the Oppo A11 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 45 points higher (73/100 vs 28/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 24/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 13/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 43/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo A11 (92/100 vs 24/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Oppo A11 (94/100 vs 39/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Oppo A11 (37/100 vs 13/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo A11 (78/100 vs 43/100). In the "portability" category, the Oppo A11 is a bit better (50/100 vs 40/100).

Oppo A11: The Oppo A11 is a better fit for everyday use.
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.
Specs comparison
Specification Oppo A11 Redmi K90 Ultra
Processor Qualcomm Snapdragon 665 Qualcomm Snapdragon 8 Elite
AnTuTu 329457 3119308
Geekbench Single 321 3041
Geekbench Multi 1128 9494
Display 6.5" IPS LCD 6.8" AMOLED
Resolution 720x1600 1280x2772
Refresh rate 165 Hz
Battery 5000 mAh 8550 mAh
Charging 10W 100W
Main camera 12 MP 50 MP
Ultrawide 8 MP 8 MP
Front camera 8 MP 20 MP
RAM 4GB / 6GB 12GB / 16GB
Storage 64GB / 128GB / 256GB 256GB / 512GB
OS Android 9.0 (Pie); ColorOS 6.0 Android 16
Brightness (peak) 3500 nits
NFC no yes
Protection IP68/IP69
Dimensions 163.6×75.6×9.1 mm 162.9×77.9×8.2 mm
Weight 195 g 227 g
Launch price $420
Camera comparison
Oppo A11
  • Main: 12MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 8MP
13
camera
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Display comparison
Oppo A11
  • 6.5" IPS LCD
  • Resolution: 720x1600
  • Refresh rate: —
39
display
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display
Battery and charging
Oppo A11
  • 5000 mAh
  • Wired: 10W
  • No wireless charging
43
battery
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Overall performance score

We compared Oppo A11 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.

Oppo A11 Qualcomm Snapdragon 665
28/100
329457 AnTuTu
Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100 +89.4%
3119308 AnTuTu

Redmi K90 Ultra leads Oppo A11 by 89.4% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Oppo A11
Price unknown
Redmi K90 Ultra
$420
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra significantly outperforms the Oppo A11 (92/100 vs 24/100).

display

In the "display" category, the Redmi K90 Ultra significantly outperforms the Oppo A11 (94/100 vs 39/100).

camera

In the "camera" category, the Redmi K90 Ultra notably outperforms the Oppo A11 (37/100 vs 13/100).

battery

In the "battery" category, the Redmi K90 Ultra significantly outperforms the Oppo A11 (78/100 vs 43/100).

portability

In the "portability" category, the Oppo A11 is a bit better (50/100 vs 40/100).

Frequently asked questions
Which is better: the Oppo A11 or the Redmi K90 Ultra?

The Redmi K90 Ultra significantly outperforms the Oppo A11 by 45 points (73/100 vs 28/100).

What is the rating of the Oppo A11 and the Redmi K90 Ultra?

The Oppo A11 has a MobileRank rating of 28/100, the Redmi K90 Ultra — 73/100.

Which has the better camera: the Oppo A11 or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on camera score (37/100 vs 13/100).

Which is more powerful: the Oppo A11 or the Redmi K90 Ultra?

The Redmi K90 Ultra leads on performance (92/100 vs 24/100).

Should you choose the Oppo A11 over the Redmi K90 Ultra?

The Oppo A11 is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.