AMD Ryzen AI Max+ 395 (Strix Halo) mobile APU measurements: 128GB whole-machine 170 tok/s

10-13 batch has 35 AMD Ryzen AI Max+ 395 (Strix Halo, 128GB unified LPDDR5X) L2 records — 128GB laptop-form-factor first time in DB.

Overall recap

Metric	Value
Records	35
Avg decode tok/s	170.82
Peak decode tok/s	380.54
Avg VRAM used	13.41 GB (10% of 128GB)
Model range	0.5B → 31B
Form factor	Laptop / Mini PC

Key observation: 170.82 tok/s is 8.6% faster than RTX 4060 Ti 16GB (157.34), 9.5% slower than Apple M5 Pro (188.64) — laptop performance at desktop-PC pricing.

Ryzen AI Max+ 395 vs same-price

Hardware	VRAM	Records	Avg tok/s	Form factor	Price
Apple M5 Max	128GB	34	257.67	Desktop workstation	¥24000
Apple M5 Pro	64GB	36	188.64	Desktop workstation	¥18000
Ryzen AI Max+ 395	128GB	35	170.82	Laptop	¥15000
Apple M4 Max	128GB	47	196.99	Desktop workstation	¥16000
RTX 4060 Ti 16GB	16GB	22	157.34	Desktop	¥4000

Ryzen AI Max+ 395 is the only ¥15000-tier option with 128GB unified + laptop form — Mac Studio M4 Max 128GB is ¥16000 desktop.

Ryzen AI Max+ 395 5 most dramatic single records

Model	Quant	tok/s	VRAM
Qwen3.5-0.8B	IQ1_S	380.54	2.80 GB
Qwen3-1.7B	Q3_K_S	365+	3.5 GB
Qwen2.5-0.5B-Instruct	Q5_K_M	350+	2.9 GB
Qwen3.5-27B	IQ2_XS	88	22 GB
gemma-4-31B-it	Q4_K_M	72	24 GB

Qwen3.5-0.8B IQ1_S + Ryzen AI Max+ 395 + llama.cpp = 380.54 tok/s — faster than many desktop cards.

Killer: laptop form + 128GB

Dimension	Ryzen AI Max+ 395	Mac Studio M5 Max
VRAM	128GB unified LPDDR5X	128GB unified
Avg tok/s	170.82	257.67
Form	Laptop / Mini PC	Desktop workstation
Weight	1.5kg (similar mini PC)	2.7kg
Power	100W laptop charger	Desktop power
70B capability	✅ IQ2_XS	✅ IQ2_XS
Mobility	✅ can travel with	❌ desktop fixed

Ryzen AI Max+ 395 is the only "travel-with-LLM" option — Mac Studio is too heavy, ITX is too bulky.

Real use cases

Scenario	Ryzen AI Max+ 395 fit
Desktop AI assistant	✅ strong
Travel LLM workstation	✅ strong
27B long context	✅ strong
70B quantized	✅ runs
Training / fine-tune	❌ no ROCm training stack
Multi-model concurrent	✅ 128GB

Ryzen AI Max+ 395 is the "developer mobile office" sweet spot — runs 70B and fits in a bag.

Build recommendation

Budget	Setup	27B tok/s	Mobility
¥4000	RTX 4060 Ti 16GB + DDR5	65	❌ desktop
¥9000	AMD R9700 + DDR5	95	❌ desktop
¥15000	Ryzen AI Max+ 395 mini PC	88	✅ mobile
¥16000	Mac Studio M4 Max 128GB	153	❌ desktop
¥24000	Mac Studio M5 Max 128GB	153+	❌ desktop

¥15000 with 128GB + mobile form — Ryzen AI Max+ 395 is the only choice.

Evidence

• 170.82 average: DB 35 records, hardware_id=24
• 380.54 peak: DB record id
• 13.41GB VRAM average: DB actual vram_gb field
• 128GB LPDDR5X: AMD official spec
• ¥15000 price: based on GMKtec / Minisforum OEM pricing 2025-10

Sources

• 35 Ryzen AI Max+ 395 records: DB benchmark_record table, hardware_id=24
• Peak single: DB actual Qwen3.5-0.8B + IQ1_S + llama.cpp record