Oppo F21 Pro vs Redmi K90 Pro Max

The Oppo F21 Pro (2022) runs on the Qualcomm Snapdragon 680 4G, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Redmi K90 Pro Max leads — 84/100 vs 27/100 (a 57-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 421,228); the Redmi K90 Pro Max has NFC for contactless payments, the Oppo F21 Pro doesn't; the Oppo F21 Pro is noticeably lighter (175g vs 210g).

The Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro by 57 points (84/100 vs 27/100).
Profile comparison
Category scores
Oppo F21 Pro
Performance 0
Display 50
Camera 43
Battery 27
Design 81
Value for money 55
Redmi K90 Pro Max
Performance 94
Display 100
Camera 74
Battery 82
Design 37
Value for money 71
What makes Oppo F21 Pro better?
  • Better main camera: 64MP vs 50MP
  • Lighter: 175g vs 210g

  • Better design/ergonomics (81/100 vs 37/100)
What makes Redmi K90 Pro Max better?
  • Higher AnTuTu: 4119955 vs 421228
  • Better Geekbench Single: 3640 vs 412
  • Better Geekbench Multi: 11033 vs 1410
  • Bigger battery: 7560 vs 4500 mAh
  • Faster charging: 100W vs 33W
  • Higher refresh rate: 120Hz vs 90Hz

  • Higher performance (94/100 vs 0/100)
  • Better camera (74/100 vs 43/100)
  • Longer battery life (82/100 vs 27/100)
  • Better display (100/100 vs 50/100)
  • Better value for money (71/100 vs 55/100)
Comparison verdict

Comparing the Oppo F21 Pro vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 57 points higher (84/100 vs 27/100). In the "performance" category, the Redmi K90 Pro Max leads (94/100 vs 0/100). In the "camera" category, the Redmi K90 Pro Max leads (74/100 vs 43/100). In the "battery" category, the Redmi K90 Pro Max leads (82/100 vs 27/100). In the "value for money" category, the Redmi K90 Pro Max leads (71/100 vs 55/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (94/100 vs 0/100). In the "display" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (100/100 vs 50/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (74/100 vs 43/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (82/100 vs 27/100). In the "design" category, the Oppo F21 Pro significantly outperforms the Redmi K90 Pro Max (81/100 vs 37/100). In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Oppo F21 Pro (71/100 vs 55/100).

Oppo F21 Pro: The Oppo F21 Pro is a better fit for everyday use.
Redmi K90 Pro Max: The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.
Specs comparison
Specification Oppo F21 Pro Redmi K90 Pro Max
Processor Qualcomm Snapdragon 680 4G Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 421228 4119955
Geekbench Single 412 3640
Geekbench Multi 1410 11033
Display 6.4" AMOLED 6.9" OLED
Resolution 1080x2400 2608x1200
Refresh rate 90 Hz 120 Hz
Battery 4500 mAh 7560 mAh
Charging 33W 100W
Wireless charging 0W 50W
Main camera 64 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 32 MP 32 MP
RAM 8GB 16GB
Storage 128GB 256GB / 512GB / 1TB
OS Android 12, ColorOS 12.1 Android 16
Brightness (peak) 800 nits 3500 nits
NFC no yes
Protection IPX4 IP68
Dimensions 159.9×73.2×7.5 mm 163.3×77.8×7.9 mm
Weight 175 g 210 g
Price $561
Camera comparison
Oppo F21 Pro
  • Main: 64MP f/f/1.7
  • Front: 32MP
43
camera
Redmi K90 Pro Max
  • Main: 50MP f/f/1.88
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
74
camera
Display comparison
Oppo F21 Pro
  • 6.4" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 90 Hz
50
display
Redmi K90 Pro Max
  • 6.9" OLED
  • Resolution: 2608x1200
  • Refresh rate: 120 Hz
100
display
Battery and charging
Oppo F21 Pro
  • 4500 mAh
  • Wired: 33W
  • No wireless charging
27
battery
Redmi K90 Pro Max
  • 7560 mAh
  • Wired: 100W
  • Wireless: 50W
82
battery
Overall performance score

We compared Oppo F21 Pro and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.

Oppo F21 Pro Qualcomm Snapdragon 680 4G
27/100
421228 AnTuTu
Redmi K90 Pro Max Qualcomm Snapdragon 8 Elite Gen 5
84/100 +89.8%
4119955 AnTuTu

Redmi K90 Pro Max leads Oppo F21 Pro by 89.8% in our overall performance rating.

Benchmarks
Price and availability
Oppo F21 Pro
Price unknown
Redmi K90 Pro Max
$561
Detailed category analysis
performance

In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (94/100 vs 0/100).

display

In the "display" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (100/100 vs 50/100).

camera

In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (74/100 vs 43/100).

battery

In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (82/100 vs 27/100).

design

In the "design" category, the Oppo F21 Pro significantly outperforms the Redmi K90 Pro Max (81/100 vs 37/100).

value for money

In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Oppo F21 Pro (71/100 vs 55/100).

Frequently asked questions
Which is better: the Oppo F21 Pro or the Redmi K90 Pro Max?

The Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro by 57 points (84/100 vs 27/100).

What is the rating of the Oppo F21 Pro and the Redmi K90 Pro Max?

The Oppo F21 Pro has a MobileRank rating of 27/100, the Redmi K90 Pro Max — 84/100.

Which has the better camera: the Oppo F21 Pro or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on camera score (74/100 vs 43/100).

Which is more powerful: the Oppo F21 Pro or the Redmi K90 Pro Max?

The Redmi K90 Pro Max leads on performance (94/100 vs 0/100).

Should you choose the Oppo F21 Pro over the Redmi K90 Pro Max?

The Oppo F21 Pro is a better fit for everyday use. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life.