OnePlus Ace 6 Ultra vs Poco X8
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Poco X8 (2026) runs on the Qualcomm Snapdragon 6s Gen 4; launch prices were $555 and $389. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 55/100 (a 19-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 8340); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 829,894).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Poco X8
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 829894
- Better Geekbench Single: 3293 vs 1009
- Better Geekbench Multi: 10243 vs 2892
- Bigger battery: 8600 vs 8340 mAh
- Faster charging: 120W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 217g vs 223g
- Higher performance (94/100 vs 55/100)
- Longer battery life (82/100 vs 69/100)
- Better display (94/100 vs 84/100)
- Better portability (43/100 vs 39/100)
What makes Poco X8 better?
- Cheaper at launch: $389 vs $555
- Overall rating 55/100
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Poco X8, the OnePlus Ace 6 Ultra scores 19 points higher (74/100 vs 55/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (94/100 vs 55/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 69/100). Value score: OnePlus Ace 6 Ultra — 66/100, Poco X8 — 40/100; 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 Poco X8 (94/100 vs 55/100). In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, both devices are on the same level — 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 OnePlus Ace 6 Ultra and the Poco X8 are nearly equal (43/100 vs 39/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Poco X8 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 6s Gen 4 | |
| AnTuTu | 3429868 | 829894 | |
| Geekbench Single | 3293 | 1009 | |
| Geekbench Multi | 10243 | 2892 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2772 | 1280x2772 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 8340 mAh | |
| Charging | 120W | 67W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68/IP69K | |
| Dimensions | 162.5×77.5×8.5 mm | 163.5×78.3×8.6 mm | |
| Weight | 217 g | 223 g | |
| Launch price | $555 | $389 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Poco X8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Poco X8
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Poco X8
- 8340 mAh
- Wired: 67W
- No wireless charging
Overall performance score
We compared OnePlus Ace 6 Ultra and Poco X8, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Poco X8 by 313.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $166. Poco X8 was $166 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Poco X8 (94/100 vs 55/100).
display
In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, both devices are on the same level — 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 OnePlus Ace 6 Ultra and the Poco X8 are nearly equal (43/100 vs 39/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Poco X8?
The OnePlus Ace 6 Ultra is noticeably better than the Poco X8 — the overall rating gap is 19 points.
What is the rating of the OnePlus Ace 6 Ultra and the Poco X8?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Poco X8 — 55/100.
Which is more powerful: the OnePlus Ace 6 Ultra or the Poco X8?
The OnePlus Ace 6 Ultra leads on performance (94/100 vs 55/100).
Should you choose the OnePlus Ace 6 Ultra over the Poco X8?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life.