OnePlus Ace 6 vs Redmi K90

The OnePlus Ace 6 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $399 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 73/100 (a 3-point difference). Key differences: the OnePlus Ace 6 has the bigger battery (7800 mAh vs 7100); the OnePlus Ace 6 is faster in AnTuTu (3,332,530 vs 3,077,585).

The Redmi K90 edges out the OnePlus Ace 6 by just 3 points — the two devices are very close in overall level.

Profile comparison

Category scores

OnePlus Ace 6

Performance 92
Display 94
Camera 35
Battery 79
Portability 48
Value for money 74

Redmi K90

Performance 91
Display 82
Camera 58
Battery 72
Portability 55
Value for money 80

What makes OnePlus Ace 6 better?

  • Higher AnTuTu: 3332530 vs 3077585
  • Bigger battery: 7800 vs 7100 mAh
  • Faster charging: 120W vs 100W
  • Higher refresh rate: 165Hz vs 120Hz
  • Cheaper at launch: $399 vs $401

  • Higher performance (92/100 vs 91/100)
  • Longer battery life (79/100 vs 72/100)
  • Better display (94/100 vs 82/100)

What makes Redmi K90 better?

  • Lighter: 206g vs 213g

  • Better camera (58/100 vs 35/100)
  • Better portability (55/100 vs 48/100)

Comparison verdict

Comparing the OnePlus Ace 6 vs the Redmi K90, the Redmi K90 scores 3 points higher (76/100 vs 73/100). In the "camera" category, the Redmi K90 leads (58/100 vs 35/100). Value score: OnePlus Ace 6 — 74/100, Redmi K90 — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus Ace 6 and the Redmi K90 are nearly equal (92/100 vs 91/100). In the "display" category, the OnePlus Ace 6 is a bit better (94/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the OnePlus Ace 6 (58/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 is a bit better (79/100 vs 72/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 48/100).

OnePlus Ace 6: The OnePlus Ace 6 is a better fit for gamers and power users, those who care about battery life.
Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.

Specs comparison

Specification OnePlus Ace 6 Redmi K90
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite
AnTuTu 3332530 3077585
Geekbench Single 3013 3013
Geekbench Multi 9287 9287
Display 6.8" OLED 6.6" AMOLED
Resolution 2800x1272 2510x1156
Refresh rate 165 Hz 120 Hz
Battery 7800 mAh 7100 mAh
Charging 120W 100W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Telephoto 0 MP 50 MP
Front camera 16 MP 20 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 15 Android 16
Brightness (peak) 1800 nits 3500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 163.4×77.0×8.3 mm 157.5×75.3×8.0 mm
Weight 213 g 206 g
Launch price $399 $401

Camera comparison

OnePlus Ace 6

  • Main: 50MP f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
35
camera

Redmi K90

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera

Display comparison

OnePlus Ace 6

  • 6.8" OLED
  • Resolution: 2800x1272
  • Refresh rate: 165 Hz
94
display

Redmi K90

  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display

Battery and charging

OnePlus Ace 6

  • 7800 mAh
  • Wired: 120W
  • No wireless charging
79
battery

Redmi K90

  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery

Overall performance score

We compared OnePlus Ace 6 and Redmi K90, covering their specs and all relevant benchmarks.

OnePlus Ace 6 Qualcomm Snapdragon 8 Elite
73/100
3332530 AnTuTu
Redmi K90 Qualcomm Snapdragon 8 Elite
76/100 -8.3%
3077585 AnTuTu

OnePlus Ace 6 leads Redmi K90 by 8.3% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

OnePlus Ace 6

$399

Redmi K90

$401

Launch price difference: $2. OnePlus Ace 6 was $2 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the OnePlus Ace 6 and the Redmi K90 are nearly equal (92/100 vs 91/100).

display

In the "display" category, the OnePlus Ace 6 is a bit better (94/100 vs 82/100).

camera

In the "camera" category, the Redmi K90 notably outperforms the OnePlus Ace 6 (58/100 vs 35/100).

battery

In the "battery" category, the OnePlus Ace 6 is a bit better (79/100 vs 72/100).

portability

In the "portability" category, the Redmi K90 is a bit better (55/100 vs 48/100).

Frequently asked questions

Which is better: the OnePlus Ace 6 or the Redmi K90?

The Redmi K90 edges out the OnePlus Ace 6 by just 3 points — the two devices are very close in overall level.

What is the rating of the OnePlus Ace 6 and the Redmi K90?

The OnePlus Ace 6 has a MobileRank rating of 73/100, the Redmi K90 — 76/100.

Which has the better camera: the OnePlus Ace 6 or the Redmi K90?

The Redmi K90 leads on camera score (58/100 vs 35/100).

Should you choose the OnePlus Ace 6 over the Redmi K90?

The OnePlus Ace 6 is a better fit for gamers and power users, those who care about battery life. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.