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; launch prices were $1299 and $1199. By overall MobileRank rating, the OPPO Find X9 Ultra leads — 92/100 vs 61/100 (a 31-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 (4,231,988 vs 1,074,182); per DXOMark lab testing, the OPPO Find X9 Ultra has the stronger camera (170 vs 117).
Profile comparison
Category scores
OPPO Find X9 Ultra
Samsung Galaxy S21 Ultra
What makes OPPO Find X9 Ultra better?
- Higher AnTuTu: 4231988 vs 1074182
- Better Geekbench Single: 3639 vs 1435
- Better Geekbench Multi: 11047 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 (99/100 vs 63/100)
- Better camera (96/100 vs 55/100)
- Longer battery life (87/100 vs 52/100)
- Better display (98/100 vs 89/100)
What makes Samsung Galaxy S21 Ultra better?
- Lighter: 228g vs 235g
- Cheaper at launch: $1199 vs $1299
- Better portability (33/100 vs 24/100)
Comparison verdict
Comparing the OPPO Find X9 Ultra vs the Samsung Galaxy S21 Ultra, the OPPO Find X9 Ultra scores 31 points higher (92/100 vs 61/100). In the "performance" category, the OPPO Find X9 Ultra leads (99/100 vs 63/100). In the "camera" category, the OPPO Find X9 Ultra leads (96/100 vs 55/100). In the "battery" category, the OPPO Find X9 Ultra leads (87/100 vs 52/100). Value score: OPPO Find X9 Ultra — 94/100, Samsung Galaxy S21 Ultra — 32/100; 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 OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (99/100 vs 63/100). In the "display" category, the OPPO Find X9 Ultra is a bit better (98/100 vs 89/100). In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (96/100 vs 55/100). In the "battery" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (87/100 vs 52/100). In the "portability" category, the Samsung Galaxy S21 Ultra is a bit better (33/100 vs 24/100).
Specs comparison
| Specification | OPPO Find X9 Ultra | Samsung Galaxy S21 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Samsung Exynos 2100 | |
| AnTuTu | 4231988 | 1074182 | |
| Geekbench Single | 3639 | 1435 | |
| Geekbench Multi | 11047 | 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) | 170 | 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 | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 8.7×None×None mm | 165.1×75.6×8.9 mm | |
| Weight | 235 g | 228 g | |
| Launch price | $1299 | $1199 |
Camera comparison
OPPO Find X9 Ultra
- Main: 200MP f/1.65
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Samsung Galaxy S21 Ultra
- Main: 108MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 40MP
Display comparison
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
Battery and charging
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
Overall performance score
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 294.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $100. Samsung Galaxy S21 Ultra was $100 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (99/100 vs 63/100).
display
In the "display" category, the OPPO Find X9 Ultra is a bit better (98/100 vs 89/100).
camera
In the "camera" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (96/100 vs 55/100).
battery
In the "battery" category, the OPPO Find X9 Ultra significantly outperforms the Samsung Galaxy S21 Ultra (87/100 vs 52/100).
portability
In the "portability" category, the Samsung Galaxy S21 Ultra is a bit better (33/100 vs 24/100).
Frequently asked questions
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 31 points (92/100 vs 61/100).
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 92/100, the Samsung Galaxy S21 Ultra — 61/100.
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 (96/100 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 (99/100 vs 63/100).
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, budget-conscious buyers. The Samsung Galaxy S21 Ultra is a better fit for active users.