When the multi-core segment begins, both devices run their four A53 cores at the max rated frequency, but differ in how they utilize their A57 cores. Both devices leave the lower power A53 cores idle. During the brief single-core segment, the M9 keeps all four cores active but capped at 1536MHz compared to 1824MHz for the G4. The charts below compare the clock frequencies of the G4’s and M9’s A57 CPU cores during this test. In CoreMark-HPC, we see the G4’s Snapdragon 808 outperform the M9’s Snapdragon 810 in CPU performance once again. The G4 also scores well overall, although its inconsistent performance in the focused hardware tests hold it back, giving the G4 a slim 5% lead over the G3. Packing cutting-edge hardware, the Galaxy S6 leads the pack with the highest overall score. Will chopping off two of the power-hungry A57 cores be enough to keep temperature under control and give the G4 an advantage? How much faster is the G4’s 808 compared to the older Snapdragon 801 and 805 phones? On paper, Snapdragon 810’s two extra A57 cores and slightly faster A53 cores should give the HTC One M9 an advantage over the LG G4 in CPU performance however, because of the 810’s serious overheating issue, HTC must be very conservative in how the higher performing A57 cores are used. Snapdragon 805Qualcomm Krait 450 (4x 2.65GHz)
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