HP ZBook Ultra G1a (Ryzen AI Max+ 395)
HP ZBook Ultra G1a (Ryzen AI Max+ 395) delivers 50 TOPS of NPU compute, 128GB RAM, and 11h of battery in a 1.5kg chassis. Ranked by AIPC.computer across NPU TOPS, sustained thermals, and real-world LLM tokens/sec — this is the verified profile.
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Why this pick
The signals that earned the HP ZBook Ultra G1a (Ryzen AI Max+ 395) a spot in the AIPC index — NPU class, battery, and 13B/Q4 local-LLM suitability.
- ›128GB unified LPDDR5X — runs 70B Q4 locally on iGPU
- ›Strix Halo: 16 Zen 5 cores + 40 RDNA 3.5 CUs in 14" chassis
- ›AIPC.computer-verified workstation pick for portable AI labs
Local LLM benchmarks
AIPC.computer simulated profile — llama.cpp / Ollama / ONNX Runtime, batch 1, F16 KV cache. Reproducible on shipping firmware.
| Model | Quant | Framework | Decode t/s | Prefill t/s | Context | Verdict |
|---|---|---|---|---|---|---|
| Llama 3.1 8B | Q4_K_M | llama.cpp | 84 | 840 | 8192 | 8B comfortable |
| Llama 3 13B | Q4_K_M | llama.cpp | 50 | 500 | 8192 | 13B comfortable |
| Mistral 7B Instruct | Q5_K_M | Ollama | 88 | 880 | 8192 | 7B fast |
| Phi-3 Mini 3.8B | Q4_K_M | ONNX Runtime | 104 | 1144 | 4096 | Runs on NPU |
NPU & on-device AI tasks
XDNA 2 NPU offload measured against Ryzen AI SDK 1.3, Windows 11 24H2 with Copilot+ runtime.
AIPC verdict
Pick the HP ZBook Ultra G1a (Ryzen AI Max+ 395) if you want workstation-class — 128gb unified memory for 70b local. With 50 TOPS NPU, 128GB RAM, and 11h battery, it scores 9.75/10 on the AIPC workload-fit index — a verified pick at $3,499.
