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Samsung’s 2nm Exynos 2600 Debuts Without Built-In Modem, Set for Galaxy S26 and Z Flip 8

Reports indicate pairing with a Shannon 5410 modem, prompting efficiency and battery questions that only device testing can answer.

Customizing the lock screen in One UI 7 on a Samsung Galaxy S25 Plus
Exynos 2600 is expected to be Samsung’s first 2nm mobile processor and a major milestone for its semiconductor division.
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Overview

  • Samsung announced the Exynos 2600 as its first 2nm smartphone SoC with claimed gains of up to 39% CPU, 50% GPU, and 113% NPU, plus a Heat Path Block to improve thermals.
  • The chipset reportedly omits an integrated cellular modem and other radios, with leaks naming an external Shannon 5410 plus a separate connectivity chip for Wi‑Fi and Bluetooth.
  • For the Galaxy S26 lineup, industry reporting points to Exynos 2600 in select regions for the S26 and S26+, while regulatory filings suggest the S26 Ultra will use Snapdragon 8 Elite Gen 5.
  • South Korean reports cited by tipsters say the Galaxy Z Flip 8 will ship exclusively with Exynos 2600 when it launches in 2026.
  • Analysts warn a separate modem could reduce power efficiency and affect battery life or thermals in data-heavy use, a trade-off that remains unproven until independent benchmarks arrive.