Samsung Galaxy S25 FE Has A Heat Dissipation Problem

The Samsung Galaxy S25 FE and its S24 FE counterpart sport the same GPU, the Samsung Xclipse 940. Yet, the S25 FE appears to throttle much more frequently than its previous iteration, based on initial firmware-based testing.

The architecture of the Samsung Galaxy S25 FE Exynos 2400 Vs. the Samsung Galaxy S24 FE Exynos 2400e

1. CPU – Both S25 FE and S24 FE bear identical CPU structure, consisting of:
   • 4 Cortex-A520 ARM cores clocked at 1.95 GHz
   • 3 Cortex-A720 ARM cores clocked at 2.60 GHz
   • 2 Cortex-A720 ARM cores clocked at 2.90 GHz
   • 1 Cortex-X4 ARM core clocked at 3.21 GHz for S25 FE and 3.11 GHz for the S24 FE
2. GPU – Both S25 FE and S24 FE sport Samsung Xclipse 940 GPU clocked at 1,095 MHz
3. Both SoCs are based on the 4nm lithography process.

Samsung Galaxy S25 FE is quick to heat up and throttle

As delineated above, Samsung Galaxy S25 FE bears an almost identical SoC architecture to the S24 FE’s, apart from a slightly higher clock rate for its high-performance core.

Critically, both SoCs leverage Samsung Xclipse GPU, clocked at 1,095 MHz. However, as per the initial firmware-based testing carried out by Android Authority, Samsung Galaxy S25 FE is quick to heat up, and throttles much more aggressively than its S24 FE counterpart.

This is an aberrant result, especially as the S25 FE bears a larger vapor chamber. In fact, the Samsung S25 FE is only able to maintain a 59 percent to 66 percent peak performance during GPU stress tests. In contrast, the S24 FE is able to maintain an average stability of between 71 percent and 72 percent of its peak performance.

There are only two explanations for this aberrant result:

1. Either Samsung’s initial firmware is unoptimized and will achieve an optimized sheen over ensuing firmware updates. OR
2. The smartphone’s vapor chamber is not performing as intended.

Either way, we’ll be sure to keep following further developments and keep our readers abreast of any meaningful update.

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