I'm not a maths person at all, but what you're (the OP) describing isn't strange at all imo.
Razorfury
[Main] All Races
DPS: 3083 DMG:259 Delay:504 STR+7 VIT+7 Great Axe skill +215 Parrying skill +215 Magic Accuracy skill +167
LV 99 WAR
Ragnarok Rare Ex
[Main] All Races
DPS: 3118 DMG:224 Delay:431 Accuracy+40 Great Sword skill +242 Parrying skill +242 Magic Accuracy skill +215 Increases rate of critical hits V "Scourge"
LV 99 WAR PLD DRK
Ragnarok has more skill (to make up for the difference in base skill for each weapon for warrior), AND the additional 40 accuracy.