Realme 15x vs Samsung Galaxy S26 Ultra
The Realme 15x (2025) runs on the MediaTek Dimensity 6300, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $250 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 51/100 (a 33-point difference). Key differences: the Realme 15x has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S26 Ultra is faster in AnTuTu (3,515,964 vs 524,785); the Samsung Galaxy S26 Ultra has NFC for contactless payments, the Realme 15x doesn't.
Realme 15x
Samsung Galaxy S26 Ultra
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 212g vs 214g
- Cheaper at launch: $250 vs $1299
- Longer battery life (75/100 vs 61/100)
- Higher AnTuTu: 3515964 vs 524785
- Better Geekbench Single: 3601 vs 771
- Better Geekbench Multi: 10686 vs 1980
- Better main camera: 200MP vs 50MP
- Higher performance (96/100 vs 43/100)
- Better camera (86/100 vs 40/100)
- Better display (88/100 vs 65/100)
- Better portability (51/100 vs 49/100)
Comparing the Realme 15x vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 33 points higher (84/100 vs 51/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (96/100 vs 43/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 40/100). In the "battery" category, the Realme 15x leads (75/100 vs 61/100). Value score: Realme 15x — 54/100, Samsung Galaxy S26 Ultra — 76/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme 15x (96/100 vs 43/100). In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme 15x (88/100 vs 65/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme 15x (86/100 vs 40/100). In the "battery" category, the Realme 15x is a bit better (75/100 vs 61/100). In the "portability" category, the Samsung Galaxy S26 Ultra and the Realme 15x are nearly equal (51/100 vs 49/100).
| Specification | Realme 15x | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 524785 | 3515964 | |
| Geekbench Single | 771 | 3601 | |
| Geekbench Multi | 1980 | 10686 | |
| Display | 6.8" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1570 | 3120x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 60W | 60W | |
| Wireless charging | — | 25W | |
| DXOMark (camera) | — | 157 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 12 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 1200 nits | 2600 nits | |
| NFC | no | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 166.1×77.9×8.3 mm | 163.6×78.1×7.9 mm | |
| Weight | 212 g | 214 g | |
| Launch price | $250 | $1299 |
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Realme 15x
- 7000 mAh
- Wired: 60W
- Wireless charging: no data
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
We compared Realme 15x and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Realme 15x by 85.1% in our overall performance rating.
Launch price difference: $1049. Realme 15x was $1049 cheaper at launch.
performance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme 15x (96/100 vs 43/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme 15x (88/100 vs 65/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme 15x (86/100 vs 40/100).
battery
In the "battery" category, the Realme 15x is a bit better (75/100 vs 61/100).
portability
In the "portability" category, the Samsung Galaxy S26 Ultra and the Realme 15x are nearly equal (51/100 vs 49/100).
Which is better: the Realme 15x or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Realme 15x by 33 points (84/100 vs 51/100).
What is the rating of the Realme 15x and the Samsung Galaxy S26 Ultra?
The Realme 15x has a MobileRank rating of 51/100, the Samsung Galaxy S26 Ultra — 84/100.
Which has the better camera: the Realme 15x or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 40/100).
Which is more powerful: the Realme 15x or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (96/100 vs 43/100).
Should you choose the Realme 15x over the Samsung Galaxy S26 Ultra?
The Realme 15x is a better fit for those who care about battery life. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.