OnePlus Ace 6 Ultra vs Samsung Galaxy S21+
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Samsung Galaxy S21+ (2021) runs on the Samsung Exynos 2100; launch prices were $555 and $999. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 74/100 vs 57/100 (a 17-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 4800); the main camera is 50 MP vs 12 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 1,017,773); the Samsung Galaxy S21+ is noticeably lighter (200g vs 217g).
OnePlus Ace 6 Ultra
Samsung Galaxy S21+
- Higher AnTuTu: 3429868 vs 1017773
- Better Geekbench Single: 3228 vs 1435
- Better Geekbench Multi: 9553 vs 3555
- Bigger battery: 8600 vs 4800 mAh
- Faster charging: 120W vs 25W
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $555 vs $999
- Higher performance (93/100 vs 62/100)
- Longer battery life (82/100 vs 48/100)
- Better display (94/100 vs 79/100)
- Higher value score: 66/100 vs 26/100
- Lighter: 200g vs 217g
- Better camera (42/100 vs 35/100)
- Better portability (60/100 vs 43/100)
Comparing the OnePlus Ace 6 Ultra vs the Samsung Galaxy S21+, the OnePlus Ace 6 Ultra scores 17 points higher (74/100 vs 57/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (93/100 vs 62/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 48/100). In the "value for money" category, the OnePlus Ace 6 Ultra leads (66/100 vs 26/100). In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy S21+ (93/100 vs 62/100). In the "display" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy S21+ (94/100 vs 79/100). In the "camera" category, the Samsung Galaxy S21+ is a bit better (42/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy S21+ (82/100 vs 48/100). In the "portability" category, the Samsung Galaxy S21+ notably outperforms the OnePlus Ace 6 Ultra (60/100 vs 43/100). In the "value for money" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy S21+ (66/100 vs 26/100).
| Specification | OnePlus Ace 6 Ultra | Samsung Galaxy S21+ | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Samsung Exynos 2100 | |
| AnTuTu | 3429868 | 1017773 | |
| Geekbench Single | 3228 | 1435 | |
| Geekbench Multi | 9553 | 3555 | |
| Display | 6.8" AMOLED | 6.7" Dynamic AMOLED 2X | |
| Resolution | 1272x2772 | 2400x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 4800 mAh | |
| Charging | 120W | 25W | |
| Wireless charging | 0W | 15W | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 64 MP | |
| Front camera | 16 MP | 10 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | — | |
| Protection | IP66 | — | |
| Dimensions | 162.5×77.5×8.5 mm | — | |
| Weight | 217 g | 200 g | |
| Launch price | $555 | $999 |
OnePlus Ace 6 Ultra
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy S21+
- Main: 12MP f/1.8
- Ultrawide: 12MP
- Telephoto: 64MP
- Front: 10MP
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Samsung Galaxy S21+
- 6.7" Dynamic AMOLED 2X
- Resolution: 2400x1080
- Refresh rate: 120 Hz
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Samsung Galaxy S21+
- 4800 mAh
- Wired: 25W
- Wireless: 15W
We compared OnePlus Ace 6 Ultra and Samsung Galaxy S21+, covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Samsung Galaxy S21+ by 237.0% in our overall performance rating.
Launch price difference: $444. OnePlus Ace 6 Ultra was $444 cheaper at launch.
performance
In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy S21+ (93/100 vs 62/100).
display
In the "display" category, the OnePlus Ace 6 Ultra notably outperforms the Samsung Galaxy S21+ (94/100 vs 79/100).
camera
In the "camera" category, the Samsung Galaxy S21+ is a bit better (42/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy S21+ (82/100 vs 48/100).
portability
In the "portability" category, the Samsung Galaxy S21+ notably outperforms the OnePlus Ace 6 Ultra (60/100 vs 43/100).
value for money
In the "value for money" category, the OnePlus Ace 6 Ultra significantly outperforms the Samsung Galaxy S21+ (66/100 vs 26/100).
Which is better: the OnePlus Ace 6 Ultra or the Samsung Galaxy S21+?
The OnePlus Ace 6 Ultra is noticeably better than the Samsung Galaxy S21+ — the overall rating gap is 17 points.
What is the rating of the OnePlus Ace 6 Ultra and the Samsung Galaxy S21+?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Samsung Galaxy S21+ — 57/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Samsung Galaxy S21+?
The Samsung Galaxy S21+ leads on camera score (42/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6 Ultra or the Samsung Galaxy S21+?
The OnePlus Ace 6 Ultra leads on performance (93/100 vs 62/100).
Should you choose the OnePlus Ace 6 Ultra over the Samsung Galaxy S21+?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy S21+ is a better fit for active users.