Another vote for the 7100....
Advantages of the Nikon D7100 Report a correction Weather sealed Yes vs No
Sealed to shoot in the rain Significantly longer battery life 950 shots vs 600 shots
Around 60% more shots per battery charge Higher resolution screen 1,229k dots vs 1,037k dots
Around 20% higher resolution screen Larger viewfinder 0.61x vs 0.54x
More than 30% larger viewfinder More cross-type focus points 15 vs 9
Grab focus in difficult situations Significantly better viewfinder coverage 100% vs 95%
Around 10% better viewfinder coverage More focus points 51 vs 39
Set focus accurately within the frame Has more storage slots 2 vs 1
More slots allows storing more images without switching memory cards Has a pentaprism viewfinder Pentaprism vs Pentamirror
Pentaprism viewfinders are typically brighter Has a built-in focus motor Yes vs No
Autofocuses with all autofocus lenses Shoots faster 6 fps vs 5 fps
20% faster continuous shooting Much faster max shutter speed 1/8000s vs 1/4000s
Source: D5300 or D7100