OnePlus Ace 6 Ultra vs Redmi Note 8
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Redmi Note 8 (2019) runs on the Qualcomm Snapdragon 665; launch prices were $555 and $180. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 30/100 (a 44-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 329,457); the OnePlus Ace 6 Ultra has NFC for contactless payments, the Redmi Note 8 doesn't; the Redmi Note 8 is noticeably lighter (190g vs 217g).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Redmi Note 8
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 329457
- Better Geekbench Single: 3293 vs 321
- Better Geekbench Multi: 10243 vs 1128
- Bigger battery: 8600 vs 4000 mAh
- Faster charging: 120W vs 18W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (94/100 vs 24/100)
- Better camera (35/100 vs 33/100)
- Longer battery life (82/100 vs 22/100)
- Better display (94/100 vs 43/100)
What makes Redmi Note 8 better?
- Lighter: 190g vs 217g
- Cheaper at launch: $180 vs $555
- Better portability (60/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Redmi Note 8, the OnePlus Ace 6 Ultra scores 44 points higher (74/100 vs 30/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 24/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 22/100). Value score: OnePlus Ace 6 Ultra — 66/100, Redmi Note 8 — 26/100; 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 significantly outperforms the Redmi Note 8 (94/100 vs 24/100). In the "display" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 8 (94/100 vs 43/100). In the "camera" category, the OnePlus Ace 6 Ultra and the Redmi Note 8 are nearly equal (35/100 vs 33/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 8 (82/100 vs 22/100). In the "portability" category, the Redmi Note 8 notably outperforms the OnePlus Ace 6 Ultra (60/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Redmi Note 8 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 665 | |
| AnTuTu | 3429868 | 329457 | |
| Geekbench Single | 3293 | 321 | |
| Geekbench Multi | 10243 | 1128 | |
| Display | 6.8" AMOLED | 6.3" IPS LCD | |
| Resolution | 1272x2772 | 2340x1080 | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8600 mAh | 4000 mAh | |
| Charging | 120W | 18W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 13 MP | |
| RAM | 12GB / 16GB | 3GB / 4GB / 6GB | |
| Storage | 256GB / 512GB / 1TB | 32GB / 64GB / 128GB | |
| OS | Android 16 | Android 9 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | no | |
| Protection | IP66 | — | |
| Dimensions | 162.5×77.5×8.5 mm | 158.3×75.3×8.4 mm | |
| Weight | 217 g | 190 g | |
| Launch price | $555 | $180 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi Note 8
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 13MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Redmi Note 8
- 6.3" IPS LCD
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Redmi Note 8
- 4000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared OnePlus Ace 6 Ultra and Redmi Note 8, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Redmi Note 8 by 941.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $375. Redmi Note 8 was $375 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 8 (94/100 vs 24/100).
display
In the "display" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 8 (94/100 vs 43/100).
camera
In the "camera" category, the OnePlus Ace 6 Ultra and the Redmi Note 8 are nearly equal (35/100 vs 33/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 8 (82/100 vs 22/100).
portability
In the "portability" category, the Redmi Note 8 notably outperforms the OnePlus Ace 6 Ultra (60/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Redmi Note 8?
The OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 8 by 44 points (74/100 vs 30/100).
What is the rating of the OnePlus Ace 6 Ultra and the Redmi Note 8?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Redmi Note 8 — 30/100.
Which is more powerful: the OnePlus Ace 6 Ultra or the Redmi Note 8?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 24/100).
Should you choose the OnePlus Ace 6 Ultra over the Redmi Note 8?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life.