Is a 1000watt power supply adequate for 7990 and 7970 xfire?

[samm_]

I just bought a 7990 brand new, they are quite rare but I planned this ages ago and need to know if a seasonal 1kw gold edition will suffice? Thanks.

 

[Dark Lord of Tech]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: EVGA SuperNOVA 1300 G2 1300W 80+ Gold Certified Fully-Modular ATX Power Supply ($184.99 @ NCIX US)
Total: $184.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-05 11:25 EDT-0400)