If you fire a 140-grain, 7mm bullet with a B.C. of .490 @ 3400 FPS froma 7mm STW and zeroed @ 200 yards, it will hit -14" @ 400 yards. If you fire a 140-grain, 7mm bullet with a B.C. of .490 @ 3000 FPS from a .280 Remington, zeroed @ 200 yards, it will hit -19" @ 400 yards. So we're talking 5" of difference between the two @ 400 yards. Since BOTH rounds will require you to hold above the desired POI at that range, neither is better! You'll still have to know the distance to the target, and your rifle's trajectory, to do the job!!

The 7STW will give you 2098 ft/lb at 400, and the .280 carries 1600 - both have plenty of energy to kill deer at that distance! But the .280 will do this with just a little more than 60% of the powder the & STW needs, and the barrel will outlast three 7 STW barrels. You pays your money and takes your choice......