This is how I'd rate them:
Feather
10 Sharpness
8 Smoothness
7 Longevity
8 VFM
Personna Blue
9 Sharpness
8 Smoothness
8 Longevity
8 VFM
Personna Red
7 Sharpness
10 Smoothness
9 Longevity
10 VFM
Feather
10 Sharpness
8 Smoothness
7 Longevity
8 VFM
Personna Blue
9 Sharpness
8 Smoothness
8 Longevity
8 VFM
Personna Red
7 Sharpness
10 Smoothness
9 Longevity
10 VFM