OnePlus Ace 6 Ultra vs Realme X3
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Realme X3 (2020) runs on the Qualcomm Snapdragon 855+; estimated prices are $555 and $450. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 66/100 vs 33/100 (a 33-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 4200); the main camera is 50 MP vs 64 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 859,084); the OnePlus Ace 6 Ultra has NFC for contactless payments, the Realme X3 doesn't; the Realme X3 is noticeably lighter (202g vs 217g).
OnePlus Ace 6 Ultra
Realme X3
- Higher AnTuTu: 3429868 vs 859084
- Better Geekbench Single: 3228 vs 1031
- Better Geekbench Multi: 9553 vs 2864
- Bigger battery: 8600 vs 4200 mAh
- Faster charging: 120W vs 30W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (76/100 vs 2/100)
- Longer battery life (82/100 vs 19/100)
- Better main camera: 64MP vs 50MP
- Lighter: 202g vs 217g
- Cheaper: $450 vs $555
- Better camera (45/100 vs 31/100)
- Better design/ergonomics (47/100 vs 28/100)
- Better value for money (79/100 vs 72/100)
Comparing the OnePlus Ace 6 Ultra vs the Realme X3, the OnePlus Ace 6 Ultra scores 33 points higher (66/100 vs 33/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (76/100 vs 2/100). In the "camera" category, the Realme X3 leads (45/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 19/100). In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Realme X3 (76/100 vs 2/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Realme X3 is a bit better (45/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Realme X3 (82/100 vs 19/100). In the "design" category, the Realme X3 notably outperforms the OnePlus Ace 6 Ultra (47/100 vs 28/100). In the "value for money" category, the Realme X3 is a bit better (79/100 vs 72/100).
| Specification | OnePlus Ace 6 Ultra | Realme X3 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3429868 | 859084 | |
| Geekbench Single | 3228 | 1031 | |
| Geekbench Multi | 9553 | 2864 | |
| Display | 6.8" AMOLED | 6.0" IPS LCD | |
| Resolution | 1272x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 4200 mAh | |
| Charging | 120W | 30W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 12 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 10, Realme UI | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | no | |
| Protection | IP66 | — | |
| Dimensions | 162.5×77.5×8.5 mm | 163.8×75.8×8.9 mm | |
| Weight | 217 g | 202 g | |
| Price | $555 | $450 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Realme X3
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Realme X3
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Realme X3
- 4200 mAh
- Wired: 30W
- No wireless charging
We compared OnePlus Ace 6 Ultra and Realme X3, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Realme X3 by 299.2% in our overall performance rating.
Price difference: $105. Realme X3 is cheaper by $105.
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Realme X3 (76/100 vs 2/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Realme X3 is a bit better (45/100 vs 31/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Realme X3 (82/100 vs 19/100).
design
In the "design" category, the Realme X3 notably outperforms the OnePlus Ace 6 Ultra (47/100 vs 28/100).
value for money
In the "value for money" category, the Realme X3 is a bit better (79/100 vs 72/100).
Which is better: the OnePlus Ace 6 Ultra or the Realme X3?
The OnePlus Ace 6 Ultra significantly outperforms the Realme X3 by 33 points (66/100 vs 33/100).
What is the rating of the OnePlus Ace 6 Ultra and the Realme X3?
The OnePlus Ace 6 Ultra has a MobileRank rating of 66/100, the Realme X3 — 33/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Realme X3?
The Realme X3 leads on camera score (45/100 vs 31/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Realme X3?
The OnePlus Ace 6 Ultra leads on performance (76/100 vs 2/100).
Should you choose the OnePlus Ace 6 Ultra over the Realme X3?
The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life. The Realme X3 is a better fit for budget-conscious buyers.