Home › Compare › RTX 5090 32GB vs Mac 64GB unified

RTX 5090 32GB vs Mac 64GB unified for local LLMs

acceleratorusablemodels fit (of 46)price anchorcheapest rental ≥ size
RTX 5090 32GB32 GiB22$1,999 launch MSRP (Wikipedia GeForce RTX 50 series, retrieved 2026-10-20)RunPod RTX 5090 32GB @ $0.99/h
Mac 64GB unified48.0 GiB26MSRP not sourced — verify yourselfRunPod A100 80GB @ $1.59/h

VRAM: modelvram.com open dataset (CC BY 4.0 / MIT, retrieved 2026-10-20), best sensible quant, 8k context. Rentals: modelvram.com public table (self-stated check 2026-09-29, retrieved 2026-10-20). Partial re-verify 2026-10-20: Lambda A100 40GB $1.99/h CONFIRMED on lambda.ai/pricing (fetched directly); Lambda H100 rows ambiguous on-page ($3.99 vs $4.09 configs) → not adopted; RunPod & Vast pricing pages are JS-rendered, no extractable static figures — verify rates visually before spending.

Only RTX 5090 32GB fits (0)

none

Only Mac 64GB unified fits (4)

AliceAI Foundation 80B-A3B (MoE)Kolibri-1 (MoE)Llama 3.1 70BQwen3-Coder-Next (80B MoE)

FAQ

Which is better for local LLM: RTX 5090 32GB or Mac 64GB unified?

It depends on which models you want: RTX 5090 32GB fits 22 of 46 dataset models, Mac 64GB unified fits 26; the 'only one fits' lists above are usually the deciding factor. Dataset: modelvram.com CC BY 4.0, retrieved 2026-10-20.

Is Mac 64GB unified worth the extra money over RTX 5090 32GB?

We publish no street prices (no dated source → user-entered). Take both cards' street prices into the break-even calculator against cited rental rates and your usage.

Do these numbers include KV cache?

Yes — 'total @8k' includes KV cache + runtime overhead per dataset methodology; long contexts extrapolate linearly (see method).

More: RTX 5090 32GB · Mac 64GB unified · break-even · badges