Dwarven armor vs thurg

[Jimjam]

I assume you are talking about enchanted/imbrued Brellium plate armour for clerics, not the Icewell dropped armour set?

it varies piece by piece, but here is a like for like comparison for visible set:

Visible Enchanted Imbued Set Totals (1 bracer)
AC	STR	STA	AGI	DEX	WIS	INT	CHA	HP	Mana	SvM	SvF	SvC	SvP	SvD
125	41	44	0	0	26	0	0	0	0	17	24	0	0	0

Armor of Forbidden Rites Set Totals (1 bracer)
AC	STR	STA	AGI	DEX	WIS	INT	CHA	HP	Mana	SvM	SvF	SvC	SvP	SvD
155	4	12	7	8	30	0	7	180	195	13	5	9	3	5

Thurg is giving a lot more wisdom and mana, has more AC and will produce more hp (even considering stamina).

Dwarf has the advantage of being resellable if you plan to upgrade. If you don't mind mixmatch, some individual pieces of dwarf is probably better than thurg, boots and hands, perhaps more.