ASRock NUC BOX-255H (Core Ultra 7 255H) vs Beelink SER9 Pro (Ryzen AI 9 HX 370, 64GB) for Local AI: Local AI Performance

Side-by-side specification comparison with AI model-fit analysis. Data sourced from manufacturer specs, verified 2026-07-21.

	ASRock NUC BOX-255H (Core Ultra 7 255H) ASRock	Beelink SER9 Pro (Ryzen AI 9 HX 370, 64GB) Beelink
Price	$699MSRP	$1,099MSRP
AI Framework	OpenVINO, DirectML	ROCm, Vulkan, ONNX RT
CPU Cores	16	12
Ethernet	2.5GbE	2.5GbE
GPU Compute Units	8	16
GPU	Intel Arc	Radeon 890M
Memory Bandwidth (GB/s)	102.4	120
Memory Bus Width	128-bit	128-bit
Memory (GB)	96	64
Memory Type	DDR5 6400 SODIMM	LPDDR5X 7500
Memory Upgradeable	Yes (DDR5 SODIMM)	No (soldered LPDDR5X)
NPU TOPS	13	50
OCuLink / PCIe	No	No
OS Support	Windows 11, Linux	Windows 11, Linux
Platform	Intel Arrow Lake-H	AMD Strix Point
Storage Type	NVMe Gen4 SSD	NVMe Gen4 SSD
TDP (W)	65	65
Buy	Check Price →	Check Price →
Details	View →	View →

Model Fit Analysis

ASRock NUC BOX-255H (Core Ultra 7 255H)

Max Q4: 70B class models (85B params)

Usable AI memory: 46GB · Method: intel_igpu_bios_limited Conservative

Llama 3.1 8B ✓

Llama 3.1 70B ✓

Llama 3.2 1B ✓

Llama 3.2 3B ✓

Qwen 2.5 7B ✓

Qwen 2.5 14B ✓

Qwen 2.5 32B ✓

Qwen 2.5 72B ✓

Mistral 7B ✓

Mixtral 8x7B ✓

DeepSeek R1 7B ✓

DeepSeek R1 32B ✓

DeepSeek R1 70B ✓

Phi-3 Medium 14B ✓

Gemma 2 9B ✓

Gemma 2 27B ✓

Stable Diffusion XL ✓

Flux.1 Dev ✓

Flux.1 Schnell ✓

Beelink SER9 Pro (Ryzen AI 9 HX 370, 64GB)

Max Q4: 70B class models (86B params)

Usable AI memory: 46.5GB · Method: amd_igpu_bios_limited Conservative