I would disagree.
The standard settings may be different, with sharpness, colour, and contrast all set to 0.
I find that Nikon images tend to have more prominent reds out of the camera with no adjustments.
But if you use the camera settings, or adjust the images afterwards on your computer with a tool like Lightroom, then there's no difference.
At least at the beginner level.
On the most expensive cameras (several thousands apiece, not hundreds) you will find differences, but not at the level you're likely to spend as a beginner.
The best way to choose it to go to a camera store and handle the cameras.
I discovered that I don't like the Nikon design with the control wheel on the front of the grip below the shutter release. While the rest of the camera fit my hands really well, I couldn't work that wheel.
But while the Canon felt more blocky in my hand, and didn't feel comfortable, I could work all the controls with no problems.
So I bought Canon, not Nikon.
I haven't regretted it.
But for you, it may be different.