Sony Xperia Z3+ vs. Sony Xperia Z2 vs. Sony Xperia Z1 vs. Sony Xperia Z - Benchmark Speed Test (4K)

Sonys flagship series, Xperia Z smartphones, Xperia Z3+, Xperia Z2, Xperia Z1 and Xperia Z are put to compete in a benchmark speed test. Which of these will