NVIDIA has officially introduced RTX Spark, a new Arm-based PC platform that could become one of the most interesting Windows launches this year.
Announced by Jensen Huang during his Computex 2026 keynote, RTX Spark combines an NVIDIA Grace CPU, a Blackwell-based RTX GPU, and a large pool of unified memory into a single platform for laptops and compact desktops.
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CPU and GPU Specifications
The CPU features a 20-core Arm design developed in collaboration with MediaTek.
It includes ten Cortex-X925 performance cores and ten Cortex-A725 efficiency cores, a configuration familiar to those following the smartphone chipset market.
The integrated Blackwell GPU packs 6,144 CUDA cores and fifth-generation Tensor Cores.
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NVIDIA claims up to 1 PFLOP of AI performance, a figure that would have seemed impossible for a thin laptop not long ago.
Unified Memory Architecture
Instead of separate system and graphics memory, RTX Spark uses up to 128GB of unified LPDDR5X memory shared across the entire system.
This architecture is particularly beneficial for AI workloads.
NVIDIA is leveraging its existing software ecosystem, including CUDA, TensorRT, DLSS, Reflex, ray tracing, and the full RTX stack.
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This gives the platform a software support advantage that many Windows-on-Arm efforts have struggled with.
The company showed AI-focused demos during the keynote, but many buyers will likely care about battery life and gaming performance.
NVIDIA says RTX Spark devices can be as thin as 14mm while delivering high-end graphics capabilities.
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First systems are expected from ASUS, Dell, HP, Lenovo, MSI, and Microsoft's Surface division later this year. Pricing and real-world battery life remain unknown.
