Microsoft and NVIDIA Unveil Surface Laptop Ultra with 1 PetaFLOP RTX Spark Superchip
Microsoft and NVIDIA unveil the Surface Laptop Ultra, featuring the RTX Spark Superchip with up to 128GB unified memory to run 120B AI models locally with 1 PetaFLOP compute.
At their joint special keynote in San Francisco on October 7, 2026, Microsoft CEO Satya Nadella and NVIDIA CEO Jensen Huang unveiled the Surface Laptop Ultra, introducing a new flagship PC category powered by the custom NVIDIA RTX Spark Superchip. Packing up to 1 PetaFLOP of on-device AI compute, up to 128GB of high-speed unified memory, and full native CUDA support, the system is engineered to run 120-billion-parameter frontier models locally without cloud round-trips while maintaining 99.6% performance parity on battery power.
NVIDIA RTX Spark Superchip and 1 PetaFLOP Local AI Compute
At the core of the Surface Laptop Ultra is the NVIDIA RTX Spark Superchip, combining an Arm-based NVIDIA Grace CPU with a Blackwell-architecture RTX GPU on an ultra-wide unified memory bus. Configurable with up to 20 CPU cores, 6,144 CUDA cores, and 128GB of unified RAM, the platform delivers up to 1 PetaFLOP of tensor performance. This breakthrough enables AI developers and digital creators to execute frontier-scale 120B open-weights language models, complex 3D simulations in Blender, and multi-stream 8K video timelines entirely on-device without cloud subscription latency or data exfiltration risks.
Core Hardware & Silicon Specifications
- NVIDIA RTX Spark Superchip: Fuses an Arm-based Grace CPU with a Blackwell RTX GPU under a unified coherent memory architecture.
- Processor Configurations: Available in 18-Core CPU (5,120 GPU cores, up to 32GB RAM) and 20-Core CPU (6,144 GPU cores, up to 128GB RAM).
- Local 120B Model Execution: First commercial laptop capable of loading and inferencing 120B+ parameter models locally at interactive token rates.
- 99.6% Battery Parity: Maintains complete peak performance whether running unplugged on battery or connected to wall power.
- 15-Inch PixelSense Ultra Display: Touchscreen panel outputting 2,000 nits peak HDR brightness with 262 PPI and Dolby Vision certification.
15-Inch PixelSense Ultra Display and Agentic Windows 11 Platform
Complementing the dense silicon compute, Microsoft redesigned Windows 11 with dedicated Agentic OS capabilities. Users can dynamically allocate unified memory pools between CPU system tasks and GPU neural accelerators, while native agent runtimes execute background autonomous workflows using Microsoft on-device Aion and MAI Code Flash models. The aluminum unibody chassis measures under 18mm in thickness, featuring a large haptic touchpad, full-size SD card slot, and an innovative breakaway USB-C power mechanism.
Product Profile Sheet
| Feature | Details |
|---|---|
| Announcement Date | October 7, 2026 |
| Display Panel | 15-inch PixelSense Ultra (2,000 Nits HDR, 262 PPI) |
| Keynote Leaders | Satya Nadella (Microsoft) & Jensen Huang (NVIDIA) |
| Operating System | Windows 11 Pro with Native Agentic Memory Controls |
| Peak AI Performance | Up to 1 PetaFLOP On-Device Tensor Compute |
| Primary Silicon | NVIDIA RTX Spark Superchip (Grace CPU + Blackwell GPU) |
| Primary Sources | Windows Central / TechPowerUp / Microsoft Surface |
| Product Model | Microsoft Surface Laptop Ultra |
| Unified Memory Configurations | Up to 128GB Unified Memory (Running 120B+ Local Models) |