Ryzen AI Max 390 64GB vs RTX 5070 Ti 16GB for Local LLMs

The RTX 5070 Ti 16GB has about 317% more memory bandwidth (896 vs 215 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 317% faster on the RTX 5070 Ti 16GB. The Ryzen AI Max 390 64GB fits more of the catalog at Q4/8K — 41 vs 24 of 69 models (48 vs 16 GB VRAM). Largest model that fits the Ryzen AI Max 390 64GB but not the RTX 5070 Ti 16GB: Qwen3-Next-80B-A3B-Instruct (81.3B). MSRP is $1,300 for the Ryzen AI Max 390 64GB vs $749 for the RTX 5070 Ti 16GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. In the Q4/8K head-to-head below (44 shared models), the RTX 5070 Ti 16GB posts the higher tok/s in 41 rows vs 3. Methodology.

Spec comparison

	Ryzen AI Max 390 64GB	RTX 5070 Ti 16GB
Vendor	AMD	NVIDIA
VRAM	48 GB	16 GB
Memory type	LPDDR5X	GDDR7
Memory bandwidth	215 GB/s	896 GB/s
TDP	120 W	300 W
MSRP (list)	$1,300	$749
Buy	Search Amazon (affiliate)	Search Amazon (affiliate)

MSRP is the launch list price, not live retail. Buy links are Amazon affiliate links — the price after you click is the live price.

Q4 / 8K head-to-head — top 15 of 44 shared models

Model	Params (B)	Ryzen AI Max 390 64GB tok/s	Ryzen AI Max 390 64GB fits	RTX 5070 Ti 16GB tok/s	RTX 5070 Ti 16GB fits	Winner
MiniCPM5-1B	1.08	126.7 est.	Yes	527.9 est.	Yes	RTX 5070 Ti 16GB
Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF16	30.0	45.6 est.	Yes	451.0 est.	No	RTX 5070 Ti 16GB
Qwen3-30B-A3B-Instruct-2507	30.5	45.6 est.	Yes	410.2 est.	No	RTX 5070 Ti 16GB
GLM-4.7-Flash	31.2	45.6 est.	Yes	393.8 est.	No	RTX 5070 Ti 16GB
Qwen3.5-35B-A3B	34.7	45.6 est.	Yes	341.0 est.	No	RTX 5070 Ti 16GB
qwen35b-a3b-fable-sft-abliterated	34.7	45.6 est.	Yes	323.7 est.	No	RTX 5070 Ti 16GB
Ornith-1.0-35B	35.0	45.6 est.	Yes	318.8 est.	No	RTX 5070 Ti 16GB
Qwen3.6-35B-A3B	36.0	45.6 est.	Yes	317.9 est.	No	RTX 5070 Ti 16GB
Qwen3.5-2B	2.0	68.4 est.	Yes	285.1 est.	Yes	RTX 5070 Ti 16GB
DeepSeek-R1-0528-Qwen3-8B-layer-mix-bpw-3.8-mlx	2.3	59.5 est.	Yes	247.9 est.	Yes	RTX 5070 Ti 16GB
gpt-oss-20b	21.5	38.0 est.	Yes	189.5 measured	Yes	RTX 5070 Ti 16GB
Llama-3.2-3B-Instruct	3.2	42.8 est.	Yes	178.2 est.	Yes	RTX 5070 Ti 16GB
Mistral-7B-Instruct-v0.3	7.2	19.0 est.	Yes	160.2 measured	Yes	RTX 5070 Ti 16GB
gemma-4-26B-A4B-it	25.2	36.0 est.	Yes	150.0 est.	Yes	RTX 5070 Ti 16GB
Qwen3-4B-Instruct-2507	4.0	34.2 est.	Yes	142.5 est.	Yes	RTX 5070 Ti 16GB

est. = bandwidth-based estimate; measured = curated real benchmark that overrides the estimate. Fits = weights + KV(8K) + 1 GB overhead ≤ 95% of VRAM.

Fit coverage at Q4 / 8K

	Ryzen AI Max 390 64GB	RTX 5070 Ti 16GB
Catalog models that fit	41 of 69	24 of 69
Largest exclusive fit	Qwen3-Next-80B-A3B-Instruct (81.3B)	—

Ryzen AI Max 390 64GB details → · RTX 5070 Ti 16GB details →