OPPO Find X9 Ultra vs Samsung Galaxy S21 Ultra
The OPPO Find X9 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5, while the Samsung Galaxy S21 Ultra (2021) runs on the Samsung Exynos 2100; estimated prices are $1299 and $1199. By overall MobileRank rating, the OPPO Find X9 Ultra leads — 86/100 vs 37/100 (a 49-point difference). Key differences: the OPPO Find X9 Ultra has the bigger battery (7050 mAh vs 5000); the main camera is 200 MP vs 108 MP; the OPPO Find X9 Ultra is faster in AnTuTu (4,086,107 vs 1,074,182).
OPPO Find X9 Ultra
Samsung Galaxy S21 Ultra
- Higher AnTuTu: 4086107 vs 1074182
- Better Geekbench Single: 3640 vs 1435
- Better Geekbench Multi: 11033 vs 3555
- Bigger battery: 7050 vs 5000 mAh
- Faster charging: 100W vs 25W
- Better main camera: 200MP vs 108MP
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 50W vs 15W
- Higher performance (94/100 vs 10/100)
- Better camera (100/100 vs 55/100)
- Longer battery life (79/100 vs 40/100)
- Lighter: 228g vs 235g
- Cheaper: $1199 vs $1299
- Better design/ergonomics (15/100 vs 6/100)
- Better value for money (27/100 vs 20/100)
Comparing the OPPO Find X9 Ultra vs the Samsung Galaxy S21 Ultra, the OPPO Find X9 Ultra scores 49 points higher (86/100 vs 37/100). In the "performance" category, the OPPO Find X9 Ultra leads (94/100 vs 10/100). In the "camera" category, the OPPO Find X9 Ultra leads (100/100 vs 55/100). In the "battery" category, the OPPO Find X9 Ultra leads (79/100 vs 40/100). In the "performance" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (94/100 vs 10/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (100/100 vs 55/100). In the "battery" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (79/100 vs 40/100). In the "design" category, the Samsung Galaxy S21 Ultra is a bit better (15/100 vs 6/100). In the "value for money" category, the Samsung Galaxy S21 Ultra is a bit better (27/100 vs 20/100).
| Specification | OPPO Find X9 Ultra | Samsung Galaxy S21 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Samsung Exynos 2100 | |
| AnTuTu | 4086107 | 1074182 | |
| Geekbench Single | 3640 | 1435 | |
| Geekbench Multi | 11033 | 3555 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1440x3120 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7050 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| Wireless charging | 50W | 15W | |
| DXOMark (camera) | — | 117 | |
| Main camera | 200 MP | 108 MP | |
| Ultrawide | 50 MP | 12 MP | |
| Telephoto | 200 MP | 10 MP | |
| Front camera | 50 MP | 40 MP | |
| RAM | 16GB | 12GB / 16GB | |
| Storage | 512GB / 1TB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | 3600 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 8.7×None×None mm | — | |
| Weight | 235 g | 228 g | |
| Price | $1299 | $1199 |
OPPO Find X9 Ultra
- Main: 200MP f/f/1.65
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Samsung Galaxy S21 Ultra
- Main: 108MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 40MP
OPPO Find X9 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3120
- Refresh rate: 144 Hz
Samsung Galaxy S21 Ultra
- 6.8" AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
OPPO Find X9 Ultra
- 7050 mAh
- NanoReview test: web browsing 16:45 hrs, total 37:00 hrs
- Wired: 100W
- Wireless: 50W
Samsung Galaxy S21 Ultra
- 5000 mAh
- Wired: 25W
- Wireless: 15W
We compared OPPO Find X9 Ultra and Samsung Galaxy S21 Ultra, covering their specs and all relevant benchmarks.
OPPO Find X9 Ultra leads Samsung Galaxy S21 Ultra by 280.4% in our overall performance rating.
Price difference: $100. Samsung Galaxy S21 Ultra is cheaper by $100.
performance
In the "performance" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (94/100 vs 10/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (100/100 vs 55/100).
battery
In the "battery" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (79/100 vs 40/100).
design
In the "design" category, the Samsung Galaxy S21 Ultra is a bit better (15/100 vs 6/100).
value for money
In the "value for money" category, the Samsung Galaxy S21 Ultra is a bit better (27/100 vs 20/100).
Which is better: the OPPO Find X9 Ultra or the Samsung Galaxy S21 Ultra?
The OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra by 49 points (86/100 vs 37/100).
What is the rating of the OPPO Find X9 Ultra and the Samsung Galaxy S21 Ultra?
The OPPO Find X9 Ultra has a MobileRank rating of 86/100, the Samsung Galaxy S21 Ultra — 37/100.
Which has the better camera: the OPPO Find X9 Ultra or the Samsung Galaxy S21 Ultra?
The OPPO Find X9 Ultra leads on camera score (100/100 vs 55/100).
Which is more powerful: the OPPO Find X9 Ultra or the Samsung Galaxy S21 Ultra?
The OPPO Find X9 Ultra leads on performance (94/100 vs 10/100).
Should you choose the OPPO Find X9 Ultra over the Samsung Galaxy S21 Ultra?
The OPPO Find X9 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life. The Samsung Galaxy S21 Ultra is a better fit for everyday use.