Oppo A6 4G vs Redmi K90

The Oppo A6 4G (2026) runs on the Qualcomm Snapdragon 685, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 40/100 (a 36-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 7000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 467,392).

The Redmi K90 significantly outperforms the Oppo A6 4G by 36 points (76/100 vs 40/100).
Profile comparison
Category scores
Oppo A6 4G
Performance 33
Display 55
Camera 30
Battery 60
Portability 44
Value for money
Redmi K90
Performance 92
Display 82
Camera 58
Battery 72
Portability 55
Value for money 90
What makes Oppo A6 4G better?

  • Overall rating 40/100
What makes Redmi K90 better?
  • Higher AnTuTu: 3088357 vs 467392
  • Better Geekbench Single: 3041 vs 466
  • Better Geekbench Multi: 9494 vs 1396
  • Bigger battery: 7100 vs 7000 mAh
  • Faster charging: 100W vs 45W
  • Lighter: 206g vs 215g

  • Higher performance (92/100 vs 33/100)
  • Better camera (58/100 vs 30/100)
  • Longer battery life (72/100 vs 60/100)
  • Better display (82/100 vs 55/100)
  • Better portability (55/100 vs 44/100)
Comparison verdict

Comparing the Oppo A6 4G vs the Redmi K90, the Redmi K90 scores 36 points higher (76/100 vs 40/100). In the "performance" category, the Redmi K90 leads (92/100 vs 33/100). In the "camera" category, the Redmi K90 leads (58/100 vs 30/100). In the "battery" category, the Redmi K90 leads (72/100 vs 60/100). In the "performance" category, the Redmi K90 significantly outperforms the Oppo A6 4G (92/100 vs 33/100). In the "display" category, the Redmi K90 notably outperforms the Oppo A6 4G (82/100 vs 55/100). In the "camera" category, the Redmi K90 notably outperforms the Oppo A6 4G (58/100 vs 30/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 60/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 44/100).

Oppo A6 4G: The Oppo A6 4G is a better fit for everyday use.
Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.
Specs comparison
Specification Oppo A6 4G Redmi K90
Processor Qualcomm Snapdragon 685 Qualcomm Snapdragon 8 Elite
AnTuTu 467392 3088357
Geekbench Single 466 3041
Geekbench Multi 1396 9494
Display 6.8" IPS LCD 6.6" AMOLED
Resolution 720x1570 2510x1156
Refresh rate 120 Hz 120 Hz
Battery 7000 mAh 7100 mAh
Charging 45W 100W
Main camera 50 MP 50 MP
Ultrawide 0 MP 8 MP
Telephoto 0 MP 50 MP
Front camera 8 MP 20 MP
RAM 4GB / 6GB / 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB
OS Android 15, ColorOS 15 Android 16
Brightness (peak) 1125 nits 3500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 166.6×78.5×8.6 mm 157.5×75.3×8.0 mm
Weight 215 g 206 g
Launch price $401
Camera comparison
Oppo A6 4G
  • Main: 50MP f/f/1.8
  • Front: 8MP
30
camera
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera
Display comparison
Oppo A6 4G
  • 6.8" IPS LCD
  • Resolution: 720x1570
  • Refresh rate: 120 Hz
55
display
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display
Battery and charging
Oppo A6 4G
  • 7000 mAh
  • Wired: 45W
  • No wireless charging
60
battery
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Overall performance score

We compared Oppo A6 4G and Redmi K90, covering their specs and all relevant benchmarks.

Oppo A6 4G Qualcomm Snapdragon 685
40/100
467392 AnTuTu
Redmi K90 Qualcomm Snapdragon 8 Elite
76/100 +84.9%
3088357 AnTuTu

Redmi K90 leads Oppo A6 4G by 84.9% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Oppo A6 4G
Price unknown
Redmi K90
$401
Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Oppo A6 4G (92/100 vs 33/100).

display

In the "display" category, the Redmi K90 notably outperforms the Oppo A6 4G (82/100 vs 55/100).

camera

In the "camera" category, the Redmi K90 notably outperforms the Oppo A6 4G (58/100 vs 30/100).

battery

In the "battery" category, the Redmi K90 is a bit better (72/100 vs 60/100).

portability

In the "portability" category, the Redmi K90 is a bit better (55/100 vs 44/100).

Frequently asked questions
Which is better: the Oppo A6 4G or the Redmi K90?

The Redmi K90 significantly outperforms the Oppo A6 4G by 36 points (76/100 vs 40/100).

What is the rating of the Oppo A6 4G and the Redmi K90?

The Oppo A6 4G has a MobileRank rating of 40/100, the Redmi K90 — 76/100.

Which has the better camera: the Oppo A6 4G or the Redmi K90?

The Redmi K90 leads on camera score (58/100 vs 30/100).

Which is more powerful: the Oppo A6 4G or the Redmi K90?

The Redmi K90 leads on performance (92/100 vs 33/100).

Should you choose the Oppo A6 4G over the Redmi K90?

The Oppo A6 4G is a better fit for everyday use. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.