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RTX Spark (N1X) laptops & compact desktops

NVIDIA RTX Spark (N1X) laptops & compact desktops: 64–128 GB of memory at 300 GB/s. Below: the open models it can run, estimated at 128 GB with an 8K context. NVIDIA's Windows-on-Arm platform with native CUDA and up to 128 GB of unified memory at 300 GB/s; laptops ship from October 16, 2026, priced by each maker.

Last updated: 2026-10-14

Specifications

Memory64–128 GB LPDDR5X[src]
Memory bandwidth300 GB/s[src]
Power80 W[src]
Launch2026-10[src]
ArchitectureBlackwell RTX GPU (up to 6,144 cores) + Grace Arm CPU (up to 20 cores)[src]
SoftwareCUDA

What it can run

Best-quality quantization that fits with a 8K context, and the estimated generation speed. Estimates, not benchmarks. See the methodology.

ModelParamsBest quantMemorytok/s (est.)
Qwen3.5-122B-A10B122B (10B)Q5_K_M85.5 GiB25
Mistral Small 4 119B (2603)119B (6.5B)Q5_K_M83.4 GiB39
gpt-oss-120b117B (5.1B)Q6_K95.0 GiB43
Llama 4 Scout 17B-16E Instruct109B (17B)Q6_K89.8 GiB13
GLM-4.5-Air106B (12B)Q6_K87.3 GiB18
Qwen3-Coder-Next (80B-A3B)80B (3B)Q8_083.8 GiB56
Llama 3.3 70B Instruct70BQ8_075.7 GiB2.4
Qwen3.5-35B-A3B35B (3B)FP1669.1 GiB30
Qwen3.6-35B-A3B35B (3B)FP1669.1 GiB30
Qwen3-32B32.8BFP1666.6 GiB2.7
DeepSeek-R1-Distill-Qwen-32B32.76BFP1666.6 GiB2.7
Gemma 4 31B IT30.7BFP1661.6 GiB2.9
Qwen3-30B-A3B (2507)30.5B (3.3B)FP1660.9 GiB27
Qwen3-Coder-30B-A3B-Instruct30.5B (3.3B)FP1660.9 GiB27
GLM-4.7-Flash (30B-A3B)30B (3B)FP1659.6 GiB30
Qwen3.5-27B27BFP1653.8 GiB3.3
Qwen3.6-27B27BFP1653.8 GiB3.3
Qwen3.8-27B27BFP1653.8 GiB3.3
Gemma 3 27B IT27BFP1654.3 GiB3.3
Gemma 4 26B A4B IT25.2B (3.8B)FP1650.1 GiB24
Mistral Small 3.2 24B Instruct (2506)24BFP1648.7 GiB3.8
Magistral Small 1.2 (2509)24BFP1648.7 GiB3.8
Devstral Small 2 24B Instruct (2512)24BFP1648.7 GiB3.8
gpt-oss-20b21B (3.6B)FP1641.8 GiB25
Phi-4 (14B)14BFP1629.4 GiB6.4
Gemma 3 12B IT12BFP1624.8 GiB7.5
Gemma 4 12B Unified IT11.95BFP1624.2 GiB7.5
Qwen3.5-9B9BFP1618.4 GiB10
Qwen3-8B8.2BFP1617.7 GiB11
DeepSeek-R1-0528-Qwen3-8B8.19BFP1617.6 GiB11
Llama 3.1 8B Instruct8BFP1617.1 GiB11
Gemma 4 E4B IT8BFP1616.4 GiB11
Llama 3.2 3B Instruct3.21BFP167.7 GiB28
Kimi K2.61000B (32B)Doesn't fit––
DeepSeek-R1-0528 (671B)671B (37B)Doesn't fit––
DeepSeek-V4-Flash284B (13B)Doesn't fit––
Qwen3.8-Flash-Next180B (6B)Doesn't fit––

Prices

No prices recorded for this device yet. All prices →

Frequently asked questions

Which LLMs can the RTX Spark (N1X) laptops & compact desktops run?

With 128 GB and an 8K context, the largest models that fit include: Qwen3.5-122B-A10B, Mistral Small 4 119B (2603), gpt-oss-120b, Llama 4 Scout 17B-16E Instruct, GLM-4.5-Air. See the full table below.

How fast is the RTX Spark (N1X) laptops & compact desktops for local LLMs?

Generation speed is mostly set by memory bandwidth (300 GB/s). For Llama 3.1 8B Instruct at FP16, expect roughly 11 tokens/s; bigger models are slower.

Can the RTX Spark (N1X) laptops & compact desktops run 70B models?

Yes. Llama 3.3 70B Instruct fits on the RTX Spark (N1X) laptops & compact desktops (128 GB) at Q8_0 with an 8K context, using about 75.7 GiB, at an estimated 2.4 tokens/s.

Sources