The Snapdragon 8 Gen 3 inside the Xiaomi 14 Pro has now been tested to measure the raw performance and efficiency of the big Cortex-X4 CPU core. The tests, which were conducted by Golden Reviewer, depict the Cortex-X4 to pack a 14% performance bump over the Cortex-X3 inside the Snapdragon 8 Gen 2+ while utilizing a concerning 28% more power.