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With the launch scheduled for June 5, Nintendo has quietly confirmed the final technical details for its next-generation hybrid console, the Switch 2, clarifying the specifications of the "custom NVIDIA processor" at its core and specifying exactly how much horsepower developers can access. The Switch 2's SoC is officially labeled the NVIDIA T239, a custom iteration of the Ampere architecture rather than a repurposed Tegra. It contains eight Arm Cortex‑A78C cores running a 64‑bit ARMv8 instruction set, with cryptography extensions enabled and no support for 32‑bit code. Each core features 64 KB of L1 instruction cache and 64 KB of L1 data cache. Six cores are available for game development, while two are reserved for system tasks. Clock speeds reach 998 MHz in handheld mode and 1,101 MHz when docked, and the CPU can theoretically burst to 1,700 MHz for demanding operations or future updates.
Graphics are powered by a full Ampere‑based GPU with 1,536 CUDA cores. Clock speeds top out at 1,007 MHz in docked mode and 561 MHz in handheld mode, delivering approximately 3.07 TeraFLOPS when docked and 1.71 TeraFLOPS in portable use. As with the CPU, a portion of GPU resources is allocated to operating system functions, slightly reducing the amount available for applications. Memory capacity has increased from 4 GB of LPDDR4 in the original Switch to 12 GB of LPDDR5X in the new model, split across two 6 GB modules. Peak bandwidth measures 102 GB/s docked and 68 GB/s handheld. Of the total, 3 GB are reserved for system functions and 9 GB are dedicated to games and applications. Nintendo has also introduced a dedicated File Decompression Engine for LZ4‑compressed data, offloading asset unpacking from the CPU to improve loading times without overheating the chipset. The console ships with 256 GB of UFS storage, expandable via microSD Express up to 2 TB, and features a 7.9‑inch, 1080p LCD that supports HDR10 and up to 120 Hz variable refresh rate in handheld mode. Although HDMI VRR is not yet available, the internal display fully supports it.

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Graphics are powered by a full Ampere‑based GPU with 1,536 CUDA cores. Clock speeds top out at 1,007 MHz in docked mode and 561 MHz in handheld mode, delivering approximately 3.07 TeraFLOPS when docked and 1.71 TeraFLOPS in portable use. As with the CPU, a portion of GPU resources is allocated to operating system functions, slightly reducing the amount available for applications. Memory capacity has increased from 4 GB of LPDDR4 in the original Switch to 12 GB of LPDDR5X in the new model, split across two 6 GB modules. Peak bandwidth measures 102 GB/s docked and 68 GB/s handheld. Of the total, 3 GB are reserved for system functions and 9 GB are dedicated to games and applications. Nintendo has also introduced a dedicated File Decompression Engine for LZ4‑compressed data, offloading asset unpacking from the CPU to improve loading times without overheating the chipset. The console ships with 256 GB of UFS storage, expandable via microSD Express up to 2 TB, and features a 7.9‑inch, 1080p LCD that supports HDR10 and up to 120 Hz variable refresh rate in handheld mode. Although HDMI VRR is not yet available, the internal display fully supports it.


View at TechPowerUp Main Site | Source