Samsung’s Exynos 2600 Adopts External Modem Design
Samsung’s latest flagship chipset, the Exynos 2600, has taken an unusual route by opting not to integrate a modem directly within the chip. Instead, the South Korean tech giant plans to pair the processor with an external Shannon 5410 modem. This decision, while likely aimed at simplifying the manufacturing process, has sparked some debate over whether it might undermine the chip’s real-world efficiency advantages.
Key Specifications and Performance Claims
The Exynos 2600 is a significant upgrade over its predecessor, boasting a 2nm Gate-All-Around (GAA) process technology. It features a CPU configuration with one C1-Ultra core running at 3.80GHz, three C1-Pro cores clocked at 3.25GHz, and six additional C1-Pro cores at 2.75GHz. The GPU is the Samsung Xclipse 960, which supports ray tracing, though exact clock speeds remain undisclosed. On the AI front, the chip includes a 32K Mac Neural Processing Unit (NPU), and it supports LPDDR5X RAM for faster memory performance.
Samsung claims impressive improvements in performance: CPU computing power is up by 39% compared to the Exynos 2500, the NPU’s capability has more than doubled with a 113% increase, and GPU performance has risen by up to 50%. Additionally, a dedicated Heat Path Block (HPB), a copper-based heat sink attached directly to the processor, reportedly helps reduce chip temperatures by around 30% under similar workloads.
Context and Potential Impact of the External Modem
Earlier Exynos models, such as the Exynos 2400 and 2500, integrated internal Shannon modems, which generally offer better power efficiency and streamlined performance. However, the Exynos 2600’s reliance on an external Shannon 5410 modem marks a departure from this approach. According to reporting by Elec and corroborated by leaker Erencan Yılmaz, this external modem setup could negatively affect the overall efficiency of the chipset in real-world usage scenarios.
External modems typically consume more power and add complexity to the device’s design compared to integrated solutions. While Samsung’s choice likely simplifies the manufacturing process and improves production yields—a crucial factor as the company prepares to deploy the Exynos 2600 in upcoming devices such as the Galaxy S26 base and Plus models, as well as the Galaxy Z Flip 8—it remains to be seen if the efficiency trade-offs will be noticeable to end users.
Looking Ahead
Samsung’s Exynos 2600 presents a compelling mix of advanced technology and performance improvements, but the decision to use an external modem adds an element of uncertainty about its practical efficiency. As the Galaxy S26 series and Galaxy Z Flip 8 approach launch, it will be interesting to observe how this chipset performs in real-world conditions and whether the external modem impacts battery life and thermal management. Fans and industry watchers should keep an eye out for hands-on reviews and performance tests once these devices become available.
Source: T