Which burns faster, AR 2208 or IMR 3031?

AR 2208 is the faster-burning of the two (rank #55 vs #56 — lower rank burns faster).

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AR 2208 vs IMR 3031

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Which burns faster, AR 2208 or IMR 3031?: AR 2208 is the faster-burning of the two (rank #55 vs #56 — lower rank burns faster).
What cartridges do AR 2208 and IMR 3031 both load?: Both powders are listed for .22-250 Remington, .223 Remington, .30-06 Springfield, .308 Winchester, 5.56x45mm NATO, 6mm Creedmoor, among 7 shared cartridges.