For starters, I am sweating my balls off! If that is inappropriate language, my apologies Mods. It's in good humor.
So I decided to give 13.8b2 another shot since it claims to have FFXIV improvements.
Feature Highlights of The AMD Catalyst 13.8 Beta2 Driver for Windows:
Final Fantasy XIV: Improves single GPU and CrossFire performance
With the FFXIV servers all screwy, figured I'd benching them. Not sure if anyone will really care about this, but frankly it's just another dent in the 13.8b2 driver set in terms of what I need.
System: 'Me' in Sig
Stock settings: 925/1425
OC Settings: 1050/1525
For stability purposes 1.15v + 20% Powertune
In-game settings: Maximum @ 1440p
Average of 3 runs for each test using the FFXIV benchmark tool.
13.6 Beta 2
Stock: ~6700
OC: ~7250
CFX Stock-Default: ~6700
CFX Stock-AFR: ~12300
CFX Stock-1x1: ~11900
CFX OC-AFR: ~12900
[Note: I did 1 run of each CFX mode and kept the mode that had the highest score.]
13.8 Beta 2
Stock: ~6750
OC: ~7100
CFX Stock-Default: ~10850
CFX OC-Default: ~11300
CFX OC-AFR: ~11000
[Note: At this point pretty much disappointed with the results, I didn't bother testing CFX-1x1. Also, default scored higher than AFR which I found interesting, but still both were slower than 13.6b2 CFX-AFR Stock.]
So in terms of performance based on the benchmark, 13.8b2 is worse than 13.6b2 on my system, and I sort of know why:
13.6b2 - During benchmarking since I wasn't CPU limited, both GPUs were pegged at 99%
13.8b2 - During benchmarking, Master never broke 80% and Slave was always pegged at 99%
Would explain the performance difference to a degree. But not 100% sure, since single card performance wasn't that much better, actually OC'ed 13.8b2 was slower.
During game play:
Since I use v-sync, both had about the same in-game experience. Nothing in 13.8b2 made me realize it was a better driver. I still got CPU bottlenecked in towns and I was pegged at 60FPS during dungeons, BUT, the 99% Slave issue made my room get hot. Incredibly hot. Uncomfortably hot. Sure I can crank on the A/C, but I didn't have this issue with 13.6b2 and was enjoying pretty much the same experience.
Outside of fixing the Default-CFX option I found no real reason to use 13.8b2 over 13.6b2 specifically for FFXIV.
Welps, I managed to kill about an hour or two, and now time to get ready for dinner.