llmrun

Intel · Core Ultra X9 388H · Laptop

Best AI Models for Intel Core Ultra X9 388H (Panther Lake) Laptop (32 GB)

Runs 35B MoE models well; 9B, 14B and 27–31B fit but are slow (12, 8 and 4 tok/s), and 70B doesn't fit in 24 GB.

32 GB unified24 GB for models153.6 GB/s61 TFLOPS FP1625 W2026

What LLMs can the Intel Core Ultra X9 388H (Panther Lake) Laptop run?

#ModelSpeedllmrun ScoreQuant · Memory
1
Q4_K_M · 22.0 GB · 21.9 t/s
21.9 tok/sQ4_K_M · 22.0 GB
2
Q4_K_M · 16.5 GB · 23.9 t/s
23.9 tok/sQ4_K_M · 16.5 GB
3
Q4_K_M · 19.4 GB · 27.5 t/s
27.5 tok/sQ4_K_M · 19.4 GB
4
Q4_K_M · 13.1 GB · 26.0 t/s
26.0 tok/sQ4_K_M · 13.1 GB
5
Q4_K_M · 19.3 GB · 34.2 t/s
34.2 tok/sQ4_K_M · 19.3 GB

About the Intel Core Ultra X9 388H (Panther Lake) Laptop

The Intel Core Ultra X9 388H (Panther Lake) Laptop is a mid-range 32 GB laptop: it runs 35B MoE models well. The system keeps about 8 GB, leaving 24 GB for models. With 61 TFLOPS it reads long prompts faster than most 32 GB machines: a 4K-token prompt takes 3.5 s. Core Ultra X9 388H, released 2026.

Speed in 32 GB#8154 GB/s
Prompt reading#261 TFLOPS
For models24 GBThe system keeps 8 GB
ChipCore Ultra X9 388Hreleased 2026

Intel Core Ultra X9 388H (Panther Lake) Laptop strengths and weaknesses

Strengths

  • Runs 35B MoE models: Qwen3.6 35B A3B at 21.9 tok/s in 22 GB
  • Low power draw: 25 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 4.4 tok/s
  • oneAPI, not CUDA: No FP8 or NVFP4 weights and no vLLM AWQ or GPTQ; use GGUF builds

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 GBThe system 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 $1.15/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.

Intel Core Ultra X9 388H (Panther Lake) Laptop tokens per second by model size

Output speed depends on memory bandwidth (154 GB/s). Grey rows need more than the 24 GB available.

  1. 9BQwen3.5 9B · Q4_K_M · 6.6 GB
    12.1tok/s
  2. 14BQwen3 14B · Q4_K_M · 11.9 GB slow
    8.1tok/s
  3. 27–31BQwen3.8 27B · Q4_K_M · 17.9 GB slow
    4.4tok/s
  4. 35B MoEQwen3.6 35B A3B · Q4_K_M · 22.0 GB
    21.9tok/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 329 models on the Intel Core Ultra X9 388H (Panther Lake) 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 Intel Core Ultra X9 388H (Panther Lake) Laptop — ranked by Score, recency and Fit
ModelVRAMScoreFit
Q4_K_M·111.3 t/s
0.9 GBS94, Runs great
ALoDLM 8B
Q4_K_M·13.9 t/s
7.6 GBB53, Decent
LensVLM 9B
Q4_K_M·12.4 t/s
6.5 GBB51, Decent
Nanbeige4.3 33B
Q4_K_M·3.7 t/s
23.7 GBF10, Won't fit
Qwen3 30B A3B Thinking 2507
Q4_K_M·27.5 t/s
19.4 GBA67, Runs well
Phi 4
Q4_K_M·8.1 t/s
12.5 GBB45, Decent
LFM2.5 VL 450M
Q4_K_M·120.0 t/s
0.8 GBS95, Runs great
Q4_K_M·153.6 t/s
0.6 GBS97, Runs great
SmolLM3 3B
Q4_K_M·33.4 t/s
3.4 GBA72, Runs well
DeepSeek OCR
Q4_K_M·75.6 t/s
2.8 GBS86, Runs great
Qwen3 30B A3B Instruct 2507
Q4_K_M·27.5 t/s
19.4 GBA67, Runs well
BF16·6.9 t/s
12.7 GBC44, Usable
Q4_K_M·5.1 t/s
18.1 GBC42, Usable
Molmo2 4B
Q4_K_M·22.6 t/s
4.7 GBB63, Decent
LFM2.5 2.6B
Q4_K_M·37.6 t/s
2.3 GBA74, Runs well

Intel Core Ultra X9 388H (Panther Lake) Laptop specs and power

Specs

Chip
Core Ultra X9 388H · Intel Arc B390
CPU cores
16
GPU cores
12
Unified memory
32 GB LPDDR5X-9600 (128-bit)
For models
24 GB (The system keeps 8 GB)
Memory bandwidth
153.6 GB/s
FP16 (dense)
61.4 TFLOPS
NPU
Intel AI Boost NPU 5 (50 TOPS)
Power
25 W max
Released
2026-01-27

Intel Core Ultra X9 388H (Panther Lake) Laptop FAQ

How much memory is available for AI on the Intel Core Ultra X9 388H (Panther Lake) Laptop?

About 24 GB of the 32 GB. The system keeps roughly 8 GB for itself and other apps.

What is the largest model the Intel Core Ultra X9 388H (Panther Lake) Laptop 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 21.9 tok/s.

Can the Intel Core Ultra X9 388H (Panther Lake) Laptop 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 Intel Core Ultra X9 388H (Panther Lake) Laptop take to read a long prompt?

On Qwen3.6 35B A3B, about 3.5 s for a 4K-token prompt and 28 s for a 32K-token document before the first word appears.

Is renting a GPU cheaper than buying the Intel Core Ultra X9 388H (Panther Lake) Laptop?

An RTX 5090 (32 GB) rents from $0.44/hr.