OnePlus Ace 6 Ultra vs Samsung Galaxy A18 4G
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Samsung Galaxy A18 4G (2026) runs on the Exynos 1610; launch prices were $555 and $325. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 46/100 (a 28-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 5000); the Samsung Galaxy A18 4G is noticeably lighter (196g vs 217g).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Samsung Galaxy A18 4G
What makes OnePlus Ace 6 Ultra better?
- Bigger battery: 8600 vs 5000 mAh
- Faster charging: 120W vs 25W
- Higher refresh rate: 165Hz vs 90Hz
- Better camera (35/100 vs 33/100)
- Longer battery life (82/100 vs 44/100)
- Better display (94/100 vs 67/100)
What makes Samsung Galaxy A18 4G better?
- Lighter: 196g vs 217g
- Cheaper at launch: $325 vs $555
- Better portability (65/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Samsung Galaxy A18 4G, the OnePlus Ace 6 Ultra scores 28 points higher (74/100 vs 46/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 44/100). Value score: OnePlus Ace 6 Ultra — 66/100, Samsung Galaxy A18 4G — 28/100; 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 "display" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy A18 4G (94/100 vs 67/100). In the "camera" category, the OnePlus Ace 6 Ultra and the Samsung Galaxy A18 4G are nearly equal (35/100 vs 33/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy A18 4G (82/100 vs 44/100). In the "portability" category, the Samsung Galaxy A18 4G notably outperforms the OnePlus Ace 6 Ultra (65/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Samsung Galaxy A18 4G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Exynos 1610 | |
| AnTuTu | 3429868 | — | |
| Geekbench Single | 3293 | — | |
| Geekbench Multi | 10243 | — | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1272x2772 | 1080x2340 | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8600 mAh | 5000 mAh | |
| Charging | 120W | 25W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 5 MP | |
| Front camera | 16 MP | 13 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB / 256GB | |
| OS | Android 16 | Android 17 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP66 | IP64 | |
| Dimensions | 162.5×77.5×8.5 mm | 164.4×77.9×7.7 mm | |
| Weight | 217 g | 196 g | |
| Launch price | $555 | $325 |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy A18 4G
- Main: 50MP f/1.8
- Ultrawide: 5MP
- Front: 13MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Samsung Galaxy A18 4G
- 6.7" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: 90 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Samsung Galaxy A18 4G
- 5000 mAh
- Wired: 25W
- No wireless charging
Benchmarks
Launch prices and where to check today's
Launch price difference: $230. Samsung Galaxy A18 4G was $230 cheaper at launch.
Detailed category analysis
display
In the "display" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy A18 4G (94/100 vs 67/100).
camera
In the "camera" category, the OnePlus Ace 6 Ultra and the Samsung Galaxy A18 4G are nearly equal (35/100 vs 33/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy A18 4G (82/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A18 4G notably outperforms the OnePlus Ace 6 Ultra (65/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Samsung Galaxy A18 4G?
The OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy A18 4G by 28 points (74/100 vs 46/100).
What is the rating of the OnePlus Ace 6 Ultra and the Samsung Galaxy A18 4G?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Samsung Galaxy A18 4G — 46/100.
Should you choose the OnePlus Ace 6 Ultra over the Samsung Galaxy A18 4G?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life.