llmrun

NVIDIA · RTX Spark N1X · Laptop

Best AI Models for NVIDIA RTX Spark N1X Laptop (32 GB)

Runs 14B and 35B MoE models well; dense 27–31B fits but is slow at 11 tok/s, and 70B doesn't fit in 24 GB.

32 GB unified24 GB for models300.8 GB/s125 TFLOPS FP1680 W2026

What LLMs can the NVIDIA RTX Spark N1X Laptop run?

#ModelSpeedllmrun ScoreQuant · Memory
1
Q4_K_M · 17.9 GB · 11.2 t/s
11.2 tok/sQ4_K_M · 17.9 GB
2
Q4_K_M · 17.9 GB · 11.2 t/s
11.2 tok/sQ4_K_M · 17.9 GB
3
Q4_K_M · 16.5 GB · 63.7 t/s
63.7 tok/sQ4_K_M · 16.5 GB
4
Q4_K_M · 13.1 GB · 68.6 t/s
68.6 tok/sQ4_K_M · 13.1 GB
5
Q4_K_M · 19.3 GB · 97.5 t/s
97.5 tok/sQ4_K_M · 19.3 GB
See all 329 models on the NVIDIA RTX Spark N1X Laptop →Bars = traction for models without a Score yet

About the NVIDIA RTX Spark N1X Laptop (32 GB)

The NVIDIA RTX Spark N1X Laptop is one of the fastest 32 GB machines: it runs 14B and 35B MoE models well. Among 32 GB machines, only the M1 Max and M2 Max write faster. Windows 11 on Arm keeps about 8 GB, leaving 24 GB for models. With 125 TFLOPS it reads long prompts faster than most 32 GB machines: a 4K-token prompt takes 4.0 s. RTX Spark N1X (Blackwell), released 2026.

Speed in 32 GB#3301 GB/s
Prompt reading#1125 TFLOPS
For models24 GBWindows 11 on Arm keeps 8 GB
ChipRTX Spark N1Xreleased 2026

NVIDIA RTX Spark N1X Laptop strengths and weaknesses

Strengths

  • Runs 35B MoE models: Qwen3.6 35B A3B at 58.8 tok/s in 22 GB
  • Low power draw: 80 W at full load for the whole machine

Weaknesses

  • 70B models don't fit: Llama 3.3 70B Instruct needs 51.3 GB at Q4 vs 24 GB usable here
  • Slow on large dense models: Qwen3.8 27B at 11.2 tok/s

Memory for models

24 GB of 32 GB
9B6.6 GB14B11.9 GB27–31B17.9 GB35B MoE22 GB
9B6.6 GB14B11.9 GB35B MoE22 GB
For models 24 GBWindows 11 on Arm keeps 8 GBModel size at Q4

70B models need 51.3 GB at Q4, more than the 24 GB available.Or rent an A100 (80 GB) from $1.10/hr →

Similar devices and alternatives

The same chip from other makers first, then machines and GPUs people weigh against it, each with the one reason it is worth a look. Speeds on Qwen3.6 35B A3B.

NVIDIA RTX Spark N1X Laptop tokens per second by model size

Output speed depends on memory bandwidth (301 GB/s). Grey rows need more than the 24 GB available.

  1. 9BQwen3.5 9B · Q4_K_M · 6.6 GB
    30.7tok/s
  2. 14BQwen3 14B · Q4_K_M · 11.9 GB
    20.6tok/s
  3. 27–31BQwen3.8 27B · Q4_K_M · 17.9 GB
    11.2tok/s
  4. 35B MoEQwen3.6 35B A3B · Q4_K_M · 22.0 GB
    58.8tok/s
  5. 70BLlama 3.3 70B Instruct · not at 4-bit
    needs 51.3 GB
  6. 120B MoEGPT OSS 120B · not at 4-bit
    needs 70.8 GB

Estimated speeds: Q4_K_M, 4K context, one user. How we estimate

All 1158 models on the NVIDIA RTX Spark N1X Laptop

Featured only

Best quant that fits in 24 GB, ordered by llmrun Score. Fit grades how well it runs here, S best. How ranking works

LLM models compatible with NVIDIA RTX Spark N1X Laptop (32 GB) — ranked by Score, recency and Fit
ModelVRAMScoreFit
ALoDLM 8B
Q4_K_M·35.4 t/s
7.6 GBA73, Runs well
Edge0 35B A3B Preview
Q4_K_M·76.9 t/s
21.3 GBA75, Runs well
Ornith 1.5 9B
Q4_K_M·30.7 t/s
6.6 GBA71, Runs well
Q4_K_M·651.7 t/s
0.5 GBS100, Runs great
LensVLM 9B
Q4_K_M·31.5 t/s
6.5 GBA71, Runs well
Underdog Saluki 27B 1.0
Q4_K_M·11.0 t/s
21.4 GBC37, Usable
BF16·454.7 t/s
0.4 GBS100, Runs great
Qwen3.8 4B Distill
Q4_K_M·60.0 t/s
3.4 GBA84, Runs well
Nanbeige4.2 3B
Q4_K_M·67.7 t/s
3.5 GBS85, Runs great
Distil Lfm25 Shellper
Q4_K_M·337.1 t/s
0.8 GBS100, Runs great
Qwen3 30B A3B Thinking 2507
Q4_K_M·76.0 t/s
19.4 GBS86, Runs great
OCC RAG 1.7B
Q4_K_M·124.5 t/s
3.2 GBS95, Runs great
Q4_K_M·63.7 t/s
16.5 GBA84, Runs well
Q4_K_M·283.4 t/s
0.9 GBS100, Runs great
Wald 4B
Q4_K_M·60.0 t/s
3.4 GBA84, Runs well

NVIDIA RTX Spark N1X Laptop specs and power

Specs

Chip
RTX Spark N1X · NVIDIA RTX Spark N1X
CPU cores
20
GPU cores
6,144
Unified memory
32 GB LPDDR5X-9400 (soldered, unified)
For models
24 GB (Windows 11 on Arm keeps 8 GB)
Memory bandwidth
300.8 GB/s
FP16 (dense)
125 TFLOPS
NPU
NVIDIA NPU (TOPS not published)
Power
80 W max
OS
Windows 11 on Arm
Released
2026-10-16

NVIDIA RTX Spark N1X Laptop FAQ

How much memory is available for AI on the NVIDIA RTX Spark N1X Laptop (32 GB)?

About 24 GB of the 32 GB. Windows 11 on Arm keeps roughly 8 GB for itself and other apps.

What is the largest model the NVIDIA RTX Spark N1X Laptop (32 GB) can run?

Qwen3.6 35B A3B (36.0B) is the largest at 4-bit or better: at Q4_K_M it uses 22.0 GB, 92% of the available memory, and runs at about 58.8 tok/s.

Can the NVIDIA RTX Spark N1X Laptop (32 GB) run Qwen3.8 27B?

Yes. Qwen3.8 27B fits at Q4_K_M, using 17.9 GB of the 24 GB available, and it is the best model that runs well on this machine.

Can the NVIDIA RTX Spark N1X Laptop (32 GB) run 70B models?

No. Llama 3.3 70B Instruct needs 51.3 GB at Q4, more than the 24 GB available.

How long does the NVIDIA RTX Spark N1X Laptop (32 GB) take to read a long prompt?

On Qwen3.8 27B, about 4.0 s for a 4K-token prompt and 32 s for a 32K-token document before the first word appears.

Is renting a GPU cheaper than buying the NVIDIA RTX Spark N1X Laptop?

An RTX 5090 (32 GB) rents from $0.47/hr.