OnePlus Ace 6 Ultra vs Redmi Note 15 Pro 4G
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Redmi Note 15 Pro 4G (2026) runs on the MediaTek Helio G200 Ultra; launch prices were $555 and $259. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 54/100 (a 20-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 6500); the main camera is 50 MP vs 200 MP; the Redmi Note 15 Pro 4G is noticeably lighter (195g vs 217g).
OnePlus Ace 6 Ultra
Redmi Note 15 Pro 4G
- Better Geekbench Single: 3228 vs 750
- Better Geekbench Multi: 9553 vs 2100
- Bigger battery: 8600 vs 6500 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (93/100 vs 39/100)
- Longer battery life (82/100 vs 69/100)
- Better display (94/100 vs 79/100)
- Better main camera: 200MP vs 50MP
- Lighter: 195g vs 217g
- Cheaper at launch: $259 vs $555
- Better camera (53/100 vs 35/100)
- Better portability (62/100 vs 43/100)
Comparing the OnePlus Ace 6 Ultra vs the Redmi Note 15 Pro 4G, the OnePlus Ace 6 Ultra scores 20 points higher (74/100 vs 54/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (93/100 vs 39/100). In the "camera" category, the Redmi Note 15 Pro 4G leads (53/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 69/100). Value score: OnePlus Ace 6 Ultra — 66/100, Redmi Note 15 Pro 4G — 60/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 15 Pro 4G (93/100 vs 39/100). In the "display" category, the OnePlus Ace 6 Ultra notably outperforms the Redmi Note 15 Pro 4G (94/100 vs 79/100). In the "camera" category, the Redmi Note 15 Pro 4G notably outperforms the OnePlus Ace 6 Ultra (53/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 69/100). In the "portability" category, the Redmi Note 15 Pro 4G notably outperforms the OnePlus Ace 6 Ultra (62/100 vs 43/100).
| Specification | OnePlus Ace 6 Ultra | Redmi Note 15 Pro 4G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Helio G200 Ultra | |
| AnTuTu | 3429868 | — | |
| Geekbench Single | 3228 | 750 | |
| Geekbench Multi | 9553 | 2100 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2772 | 1080x2392 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 6500 mAh | |
| Charging | 120W | 45W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 1800 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP65 | |
| Dimensions | 162.5×77.5×8.5 mm | 163.2×76.3×8.0 mm | |
| Weight | 217 g | 195 g | |
| Launch price | $555 | $259 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi Note 15 Pro 4G
- Main: 200MP f/f/1.7
- Ultrawide: 8MP
- Front: 32MP
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Redmi Note 15 Pro 4G
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Redmi Note 15 Pro 4G
- 6500 mAh
- Wired: 45W
- Wireless charging: no data
Launch price difference: $296. Redmi Note 15 Pro 4G was $296 cheaper at launch.
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 15 Pro 4G (93/100 vs 39/100).
display
In the "display" category, the OnePlus Ace 6 Ultra notably outperforms the Redmi Note 15 Pro 4G (94/100 vs 79/100).
camera
In the "camera" category, the Redmi Note 15 Pro 4G notably outperforms the OnePlus Ace 6 Ultra (53/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra is a bit better (82/100 vs 69/100).
portability
In the "portability" category, the Redmi Note 15 Pro 4G notably outperforms the OnePlus Ace 6 Ultra (62/100 vs 43/100).
Which is better: the OnePlus Ace 6 Ultra or the Redmi Note 15 Pro 4G?
The OnePlus Ace 6 Ultra significantly outperforms the Redmi Note 15 Pro 4G by 20 points (74/100 vs 54/100).
What is the rating of the OnePlus Ace 6 Ultra and the Redmi Note 15 Pro 4G?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Redmi Note 15 Pro 4G — 54/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Redmi Note 15 Pro 4G?
The Redmi Note 15 Pro 4G leads on camera score (53/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Redmi Note 15 Pro 4G?
The OnePlus Ace 6 Ultra leads on performance (93/100 vs 39/100).
Should you choose the OnePlus Ace 6 Ultra over the Redmi Note 15 Pro 4G?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Redmi Note 15 Pro 4G is a better fit for everyday use.