It was just about two years ago when I decided to venture into a different braid line.  Sufix Advance 832 braid was a preference of mine.  So after receiving the Diawa braids, I gave it the good old line break test rundown on the knot to swivel.  There were good results. 

Diawa J-Braid x8 .06 mm 6# knot break 8# 4 oz
Diawa J-Braid x8 .13 mm 8# knot break 11# 9 oz
Diawa J-Braid x8 .15 mm 10# knot break 13#

Diawa J-Braid Grand x8 .06mm 6# knot break 6# 4 oz
Diawa J-Braid Grand x8 .13 mm 8# knot break 10# 12 oz
Diawa J-Braid Grand x8 .15 mm 10# knot break 16# 14 oz

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I had always been line joining with a nail knot to nail knot for the longest time.  I had also tried the albright and modified albright knot on few times.  All this until I discovered the FG knot.  Now I had never questioned the strength of the FG knot.  All I knew before was that occassionally it slipped and unraveled after use.  Since we are experiencing something of a polar vortex, I reckon I do some knot testing.

Diawa J-Braid x8 6# FG to FG knot on 30# mono

Three trials in # and oz.: 8#14, 9#3, 9#1

While the my direct knot to swivel yield a break at 8#4 oz., it does indicate that the FG knot with a mono is breaking at a higher threshold.  While it wasn't much more for this braid line, it is giving me an indication that perhaps J-Braid x8 in itself has a higher resilience for direct knot tying.  I will confirm this with a few other tests of J-Braid x8.

Side note: I was physically comparing line feel between YGK G-Soul Upgrade X-8 14# with Diawa J-Braid x8 6# and both seem very close in appearance of line thickness and feel.  Only G-Soul seem to have a slight more line body.

Diawa J-Braid x8 10# FG to FG knot on 30# mono

One trial knot break 17# 12 oz.

I didn't feel like I needed to test the line any further.  That one trial test was enough, especially with the results.  So all the results thus far is confirming that the FG knot will be a better connection point to a lure and I should go with the extra care to do so. 

Bonus for Sufix 832 Advance braid FG knot testing as well.

Sufix 832 Advance Braid 10# FG knot to FG knot on 30# mono

Three trials all knot breaks in # and oz.: 15#, 20#, 19# 1

Sufix 832 Advance Ice Braid 4# FG knot to FG knot on 30# mono

Three trials all knot breaks in # and oz.: 13#7, 12# 1, 12#12

In addition to note that in comparison to previous 832 tested on terminal tackle of a knot to swivel:

Sufix 832 Ice Braid .10mm 4# knot break 9# 2 oz.
Sufix 832 Braid .20 mm 10/4 knot break 17# 5 oz.