Poco X8 vs Samsung Galaxy S25 Ultra
The Poco X8 (2026) runs on the Qualcomm Snapdragon 6s Gen 4, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $389 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 55/100 (a 25-point difference). Key differences: the Poco X8 has the bigger battery (8340 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 829,894).
Profile comparison
Category scores
Poco X8
Samsung Galaxy S25 Ultra
What makes Poco X8 better?
- Bigger battery: 8340 vs 5000 mAh
- Faster charging: 67W vs 45W
- Cheaper at launch: $389 vs $1299
- Longer battery life (69/100 vs 56/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 829894
- Better Geekbench Single: 3100 vs 1009
- Better Geekbench Multi: 9760 vs 2892
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 223g
- Higher performance (92/100 vs 55/100)
- Better camera (81/100 vs 35/100)
- Better display (88/100 vs 84/100)
- Better portability (46/100 vs 39/100)
Comparison verdict
Comparing the Poco X8 vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 25 points higher (80/100 vs 55/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 55/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 35/100). In the "battery" category, the Poco X8 leads (69/100 vs 56/100). Value score: Poco X8 — 40/100, Samsung Galaxy S25 Ultra — 70/100; 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 Samsung Galaxy S25 Ultra significantly outperforms the Poco X8 (92/100 vs 55/100). In the "display" category, the Samsung Galaxy S25 Ultra and the Poco X8 are nearly equal (88/100 vs 84/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Poco X8 (81/100 vs 35/100). In the "battery" category, the Poco X8 is a bit better (69/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 39/100).
Specs comparison
| Specification | Poco X8 | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 4 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 829894 | 3128552 | |
| Geekbench Single | 1009 | 3100 | |
| Geekbench Multi | 2892 | 9760 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1280x2772 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8340 mAh | 5000 mAh | |
| Charging | 67W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 12 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / One UI 7 | |
| Brightness (peak) | 3500 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69K | IP68 | |
| Dimensions | 163.5×78.3×8.6 mm | 162.8×77.6×8.2 mm | |
| Weight | 223 g | 218 g | |
| Launch price | $389 | $1299 |
Camera comparison
Poco X8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Poco X8
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 120 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Poco X8
- 8340 mAh
- Wired: 67W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared Poco X8 and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Poco X8 by 73.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $910. Poco X8 was $910 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Poco X8 (92/100 vs 55/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra and the Poco X8 are nearly equal (88/100 vs 84/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Poco X8 (81/100 vs 35/100).
battery
In the "battery" category, the Poco X8 is a bit better (69/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 39/100).
Frequently asked questions
Which is better: the Poco X8 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Poco X8 by 25 points (80/100 vs 55/100).
What is the rating of the Poco X8 and the Samsung Galaxy S25 Ultra?
The Poco X8 has a MobileRank rating of 55/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the Poco X8 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 35/100).
Which is more powerful: the Poco X8 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Poco X8 over the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.