RTX Spark Core Counts Leaked by NVIDIA's Own Driver

NVIDIA's latest GeForce driver update has inadvertently leaked core count specifications for its upcoming RTX Spark PC platform. The data reveals two distinct chip variants based on the Blackwell GPU architecture, designed for Windows-on-Arm systems.
Why it matters
This leak provides early technical insight into NVIDIA's strategy to expand its GPU dominance into the Arm-based PC market.
RTX Spark Core Counts Leaked by NVIDIA's Own Driver | TechPowerUp
RTX Spark Core Counts Leaked by NVIDIA's Own Driver
NVIDIA has released a developer preview of GeForce drivers for its RTX Spark PC platform, confirming the variants of the N1X chip and the SKU separation that will occur. In GeForce driver version 616.00, this marks the company's first driver package compiled for the Windows-on-Arm (WoA) platform. Thanks to Windows Latest, which extracted the installation file and examined the information file, it appears there are two main RTX Spark N1X chip SKUs: one with 6,144 CUDA cores and another with 5,120 CUDA cores. Both are based on the "Blackwell" GPU microarchitecture and are paired with a 20-core Arm CPU and up to 128 GB of LPDDR5X memory.
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