Danny,
What kind of comparisons or research are you looking for? Action strength? Type of bolt (pushfeed vs. CRF), barrel lengths, styles, ???
Let us know what your specific needs or questions are and there's several here that can help. Most of us have a mixed bag of rifles in our own personal collections.
Whichever one you choose, if it meets your needs, I'm sure you'll get a good quality rifle. Rifle manufacturing companies today, especially companies like Winchester, Ruger, Remington, Browning, Sako, Savage, etc... produce really good quality products. Just got to find one that fits you, your preferences and what you want to use it for.