Dimensity 9300 in vivo X100 Pro: Throttles after 2 minutes in stress test. Can it compete with other flagships?

story by: fdaytalk.com

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The Dimensity 9300 chipset in vivo X100 Pro raises questions about balance between high-performance cores and thermal efficiency in flagship smartphones due to its thermal performance.

X: @KaroulSahil

A recent test (CPU throttling test), shared in X on the vivo X100 Pro sheds light on the difficulty of cooling a chipset with four high-performance cores.

In a CPU throttling test, the eight-core processor of the Dimensity 9300 exhibited a significant performance drop, throttling down to 46% of its potential within just 2 mins.


Compared to phones equipped with Snapdragon 8 Gen 2, which typically retain around 80% of their performance yield after more than 10 minutes of the CPU throttle test.

The Dimensity 9300, a non-traditional smartphone chipset, lacks efficiency cores, but boasts high overall performance and surpasses the Apple A17 Pro GPU.

Vivo X100 Pro uses passive cooling, a vapor chamber, to dissipate heat from the System-on-Chip (SoC), but its effectiveness in high-stress situations may be insufficient for optimal performance.

Report suggests that a device with active cooling may enhance performance under stress, but currently, no mention of a phone featuring the Dimensity 9300 chipset with active cooling.


The CPU throttling test rigorously pushes all CPU cores to their maximum capacity, stressing the phone to evaluate how well it copes under extreme conditions.

The newly released vivo X100 Pro, equipped with the MediaTek Dimensity 9300 chipset, faces challenges in thermal performance due to its four high-performance Cortex X4 CPU cores.

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