Geekbench 4 - Combined Integer, Floating Point, and Memory Performance test.
GFXBench Metal - Manhattan 1440p Offscreen
GFXBench Metal - T-Rex 1080p Offscreen
Performance Test Storage READ
Performance Test Storage WRITE
The iPhone 7 is from 36% to 43% faster than the iPhone 6s running CPU intensive tests such as Geekbench and JetStream. And it is 2.2 to 2.6 times faster than the iPhone 6 running CPU intensive tests.
As for GPU intensive Metal benchmarks, the iPhone 7 is as much as 44% faster than the iPhone 6s and an as much as 5.3 times faster than the iPhone 6.
In the Storage test, the iPhone 7 is 18%-19% faster than the iPhone 6s and 2.5 to 4.4 times faster than the iPhone 6.
BIG MAHALO to Local Mad Scientist, Trevor, for providing the iPhone 6 Plus test results.