OnePlus Ace 6 Ultra vs Redmi K80

The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Redmi K80 (2024) runs on the Qualcomm Snapdragon 8 Gen 3; estimated prices are $555 and $345. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 66/100 vs 53/100 (a 13-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 6550); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 2,288,566).

The OnePlus Ace 6 Ultra is noticeably better than the Redmi K80 — the overall rating gap is 13 points.
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Performance 76
Display 100
Camera 31
Battery 82
Design 28
Value for money 72
Redmi K80
Performance 45
Display 100
Camera 32
Battery 65
Design 33
Value for money 86
What makes OnePlus Ace 6 Ultra better?
  • Higher AnTuTu: 3429868 vs 2288566
  • Better Geekbench Single: 3228 vs 2205
  • Better Geekbench Multi: 9553 vs 7192
  • Bigger battery: 8600 vs 6550 mAh
  • Faster charging: 120W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (76/100 vs 45/100)
  • Longer battery life (82/100 vs 65/100)
What makes Redmi K80 better?
  • Lighter: 213g vs 217g
  • Cheaper: $345 vs $555

  • Better camera (32/100 vs 31/100)
  • Better design/ergonomics (33/100 vs 28/100)
  • Better value for money (86/100 vs 72/100)
Comparison verdict

Comparing the OnePlus Ace 6 Ultra vs the Redmi K80, the OnePlus Ace 6 Ultra scores 13 points higher (66/100 vs 53/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (76/100 vs 45/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 65/100). In the "value for money" category, the Redmi K80 leads (86/100 vs 72/100). In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi K80 (76/100 vs 45/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K80 and the OnePlus Ace 6 Ultra are nearly equal (32/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Redmi K80 (82/100 vs 65/100). In the "design" category, the Redmi K80 is a bit better (33/100 vs 28/100). In the "value for money" category, the Redmi K80 is a bit better (86/100 vs 72/100).

OnePlus Ace 6 Ultra: The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life.
Redmi K80: The Redmi K80 is a better fit for budget-conscious buyers.
Specs comparison
Specification OnePlus Ace 6 Ultra Redmi K80
Processor MediaTek Dimensity 9500 Qualcomm Snapdragon 8 Gen 3
AnTuTu 3429868 2288566
Geekbench Single 3228 2205
Geekbench Multi 9553 7192
Display 6.8" AMOLED 6.7" AMOLED
Resolution 1272x2772 3200x1440
Refresh rate 165 Hz 120 Hz
Battery 8600 mAh 6550 mAh
Charging 120W 90W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Front camera 16 MP 20 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 16 Android 15
Brightness (peak) 1800 nits 3200 nits
NFC yes yes
Protection IP66 IP68
Dimensions 162.5×77.5×8.5 mm 160.3×75.0×8.1 mm
Weight 217 g 213 g
Price $555 $345
Camera comparison
OnePlus Ace 6 Ultra
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
31
camera
Redmi K80
  • Main: 50MP f/1.6
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Display comparison
OnePlus Ace 6 Ultra
  • 6.8" AMOLED
  • Resolution: 1272x2772
  • Refresh rate: 165 Hz
100
display
Redmi K80
  • 6.7" AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
100
display
Battery and charging
OnePlus Ace 6 Ultra
  • 8600 mAh
  • Wired: 120W
  • No wireless charging
82
battery
Redmi K80
  • 6550 mAh
  • Wired: 90W
  • No wireless charging
65
battery
Overall performance score

We compared OnePlus Ace 6 Ultra and Redmi K80, covering their specs and all relevant benchmarks.

OnePlus Ace 6 Ultra MediaTek Dimensity 9500
66/100
3429868 AnTuTu
Redmi K80 Qualcomm Snapdragon 8 Gen 3
53/100 -49.9%
2288566 AnTuTu

OnePlus Ace 6 Ultra leads Redmi K80 by 49.9% in our overall performance rating.

Benchmarks
Price and availability
OnePlus Ace 6 Ultra
$555
Redmi K80
$345

Price difference: $210. Redmi K80 is cheaper by $210.

Detailed category analysis
performance

In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi K80 (76/100 vs 45/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the Redmi K80 and the OnePlus Ace 6 Ultra are nearly equal (32/100 vs 31/100).

battery

In the "battery" category, the OnePlus Ace 6 Ultra notably outperforms the Redmi K80 (82/100 vs 65/100).

design

In the "design" category, the Redmi K80 is a bit better (33/100 vs 28/100).

value for money

In the "value for money" category, the Redmi K80 is a bit better (86/100 vs 72/100).

Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Redmi K80?

The OnePlus Ace 6 Ultra is noticeably better than the Redmi K80 — the overall rating gap is 13 points.

What is the rating of the OnePlus Ace 6 Ultra and the Redmi K80?

The OnePlus Ace 6 Ultra has a MobileRank rating of 66/100, the Redmi K80 — 53/100.

Which is more powerful: the OnePlus Ace 6 Ultra or the Redmi K80?

The OnePlus Ace 6 Ultra leads on performance (76/100 vs 45/100).

Should you choose the OnePlus Ace 6 Ultra over the Redmi K80?

The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life. The Redmi K80 is a better fit for budget-conscious buyers.