OnePlus Ace 6 Ultra vs Redmi K70 Ultra
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Redmi K70 Ultra (2024) runs on the MediaTek Dimensity 9300+; launch prices were $555 and $375. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 68/100 (a 6-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5500); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 2,384,849).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Redmi K70 Ultra
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 2384849
- Better Geekbench Single: 3293 vs 2249
- Better Geekbench Multi: 10243 vs 7352
- Bigger battery: 8600 vs 5500 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (94/100 vs 83/100)
- Longer battery life (82/100 vs 70/100)
- Better display (94/100 vs 93/100)
What makes Redmi K70 Ultra better?
- Lighter: 213g vs 217g
- Cheaper at launch: $375 vs $555
- Better camera (37/100 vs 35/100)
- Better portability (46/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Redmi K70 Ultra, the OnePlus Ace 6 Ultra scores 6 points higher (74/100 vs 68/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 83/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 70/100). Value score: OnePlus Ace 6 Ultra — 66/100, Redmi K70 Ultra — 66/100; 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 Ultra is a bit better (94/100 vs 83/100). In the "display" category, the OnePlus Ace 6 Ultra and the Redmi K70 Ultra are nearly equal (94/100 vs 93/100). In the "camera" category, the Redmi K70 Ultra and the OnePlus Ace 6 Ultra are nearly equal (37/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 70/100). In the "portability" category, the Redmi K70 Ultra and the OnePlus Ace 6 Ultra are nearly equal (46/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Redmi K70 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Dimensity 9300+ | |
| AnTuTu | 3429868 | 2384849 | |
| Geekbench Single | 3293 | 2249 | |
| Geekbench Multi | 10243 | 7352 | |
| Display | 6.8" AMOLED | 6.7" OLED | |
| Resolution | 1272x2772 | 1220x2712 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8600 mAh | 5500 mAh | |
| Charging | 120W | 120W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14 | |
| Brightness (peak) | 1800 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.5×77.5×8.5 mm | 160.4×75.1×8.4 mm | |
| Weight | 217 g | 213 g | |
| Launch price | $555 | $375 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K70 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Redmi K70 Ultra
- 6.7" OLED
- Resolution: 1220x2712
- Refresh rate: 144 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Redmi K70 Ultra
- 5500 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared OnePlus Ace 6 Ultra and Redmi K70 Ultra, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Redmi K70 Ultra by 43.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $180. Redmi K70 Ultra was $180 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 83/100).
display
In the "display" category, the OnePlus Ace 6 Ultra and the Redmi K70 Ultra are nearly equal (94/100 vs 93/100).
camera
In the "camera" category, the Redmi K70 Ultra and the OnePlus Ace 6 Ultra are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 70/100).
portability
In the "portability" category, the Redmi K70 Ultra and the OnePlus Ace 6 Ultra are nearly equal (46/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Redmi K70 Ultra?
The OnePlus Ace 6 Ultra edges out the Redmi K70 Ultra by just 6 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 6 Ultra and the Redmi K70 Ultra?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Redmi K70 Ultra — 68/100.
Which is more powerful: the OnePlus Ace 6 Ultra or the Redmi K70 Ultra?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 83/100).
Should you choose the OnePlus Ace 6 Ultra over the Redmi K70 Ultra?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Redmi K70 Ultra is a better fit for gamers and power users.