Realme X3 vs Samsung Galaxy S26 Ultra
The Realme X3 (2020) runs on the Qualcomm Snapdragon 855+, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 83/100 vs 50/100 (a 33-point difference). Key differences: the Samsung Galaxy S26 Ultra has the bigger battery (5000 mAh vs 4200); the main camera is 64 MP vs 200 MP; the Samsung Galaxy S26 Ultra is faster in AnTuTu (3,437,807 vs 859,084); the Samsung Galaxy S26 Ultra has NFC for contactless payments, the Realme X3 doesn't; the Samsung Galaxy S26 Ultra is thinner (7.9mm vs 8.9mm).
Realme X3
Samsung Galaxy S26 Ultra
- Lighter: 202g vs 214g
- Overall rating 50/100
- Higher AnTuTu: 3437807 vs 859084
- Better Geekbench Single: 3601 vs 1031
- Better Geekbench Multi: 10686 vs 2864
- Bigger battery: 5000 vs 4200 mAh
- Faster charging: 60W vs 30W
- Better main camera: 200MP vs 64MP
- Higher performance (95/100 vs 55/100)
- Better camera (86/100 vs 48/100)
- Longer battery life (61/100 vs 28/100)
- Better display (88/100 vs 70/100)
- Better portability (51/100 vs 48/100)
Comparing the Realme X3 vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 33 points higher (83/100 vs 50/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (95/100 vs 55/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 48/100). In the "battery" category, the Samsung Galaxy S26 Ultra leads (61/100 vs 28/100). In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme X3 (95/100 vs 55/100). In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme X3 (88/100 vs 70/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme X3 (86/100 vs 48/100). In the "battery" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme X3 (61/100 vs 28/100). In the "portability" category, the Samsung Galaxy S26 Ultra and the Realme X3 are nearly equal (51/100 vs 48/100).
| Specification | Realme X3 | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 859084 | 3437807 | |
| Geekbench Single | 1031 | 3601 | |
| Geekbench Multi | 2864 | 10686 | |
| Display | 6.0" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1080x2400 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4200 mAh | 5000 mAh | |
| Charging | 30W | 60W | |
| Wireless charging | 0W | 25W | |
| DXOMark (camera) | — | 157 | |
| Main camera | 64 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 12 MP | 50 MP | |
| Front camera | 16 MP | 12 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, Realme UI | Android 16 / One UI 8.5 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.8×75.8×8.9 mm | 163.6×78.1×7.9 mm | |
| Weight | 202 g | 214 g | |
| Launch price | — | $1299 |
Realme X3
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 12MP
- Front: 16MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Realme X3
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Realme X3
- 4200 mAh
- Wired: 30W
- No wireless charging
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
We compared Realme X3 and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Realme X3 by 75.0% in our overall performance rating.
Realme X3
Price unknownperformance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme X3 (95/100 vs 55/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra notably outperforms the Realme X3 (88/100 vs 70/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme X3 (86/100 vs 48/100).
battery
In the "battery" category, the Samsung Galaxy S26 Ultra significantly outperforms the Realme X3 (61/100 vs 28/100).
portability
In the "portability" category, the Samsung Galaxy S26 Ultra and the Realme X3 are nearly equal (51/100 vs 48/100).
Which is better: the Realme X3 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Realme X3 by 33 points (83/100 vs 50/100).
What is the rating of the Realme X3 and the Samsung Galaxy S26 Ultra?
The Realme X3 has a MobileRank rating of 50/100, the Samsung Galaxy S26 Ultra — 83/100.
Which has the better camera: the Realme X3 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 48/100).
Which is more powerful: the Realme X3 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (95/100 vs 55/100).
Should you choose the Realme X3 over the Samsung Galaxy S26 Ultra?
The Realme X3 is a better fit for everyday use. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.