A neurotype alone does little to determine one's potential to be a good partner. As with NTs, Aspies are individuals, and with individuality comes a wide range of worldviews, lifestyles, perspectives, personalities, etc.
So even if we were all affected by AS identically, there would still be very notable differences between us, and how we navigate through the world. But of course Autism is measured on a spectrum, and as such encases a variety of neurological differences to NTs, with individuals being affected in different areas and to differing degrees.
All that said, a lot of us do face similar challenges as it relates to love and relationships more broadly. An impaired ability to read non-verbal cues and lacking social instincts that others have can make connecting with people, and by extension, cultivating relationships more difficult for us.
Certainly not impossible if we can find people who operate similarly or are willing to take the time to understand us, but that too can be difficult sometimes. Especially if others have to make concessions that they don't feel are worth it for them.
Challenges for some Aspies in relationships would run more along the lines of failure to recognise/understand how to meet certain needs of their partner. Again though, it's all very dependent on the individual/s in the relationship.