Although this probably won't affect the overall experience of the device, a couple of different performance tests suggest that the US model of the Samsung Galaxy S7 and/or S7 Edge is actually slower than the international model.
For whatever reason, the Snapdragon 820 version of the device seems to come up short against the Exynos 8890 version. Here are the two different videos which come to the same conclusion:
For whatever reason, the Snapdragon 820 version of the device seems to come up short against the Exynos 8890 version. Here are the two different videos which come to the same conclusion: