Local LLM configurator

Model

Quantization

Q4_K_M is the right trade-off for most uses. What is this?

Target speed

Around 10 tok/s reads comfortably; 30+ feels instant.

Platform

Advanced options8K tokens · KV cache f16

The defaults suit most uses. You can skip this section.

Context length

How much text the model keeps in memory. 8K is enough for chat; long documents need 32K or more. What is this?

KV cache type

Leave f16 if unsure. q8_0 roughly halves the conversation's memory, q4_0 nearly quarters it; the option must also be enabled in your app. What is this?

Compatible machines

What the model needs

QwQ 32B Q4_K_M with a 8K context needs about 22.4 GB (up to 24 GB) of GPU or unified memory.

Compatible configurations for QwQ 32B Q4_K_M · 8K context
	NVIDIATesla P40Compatible Tesla P40 · 24 GB GDDR5 346 GB/s System RAM 64 GB Smallest configuration of this platform that runs the model entirely in fast memory.	AMDRX 7900 XTXCompatible Radeon RX 7900 XTX · 24 GB GDDR6 960 GB/s System RAM 64 GB Smallest configuration of this platform that runs the model entirely in fast memory.	Apple SiliconM3 Pro · 36 GBCompatible MacBook Pro 14, MacBook Pro 16 18 GPU · 150 GB/s Smallest configuration of this platform that runs the model entirely in fast memory.	Unified memory PCAMD Ryzen AI Max+ 395 · 32 GBCompatible Radeon 8060S 256 GB/s Smallest configuration of this platform that runs the model entirely in fast memory.	Highest estimated speedH100 PCIeExcellent H100 PCIe 80GB · 80 GB HBM2e 2,000 GB/s System RAM 64 GB Highest estimated generation speed among configurations that fit.
Memory for the model	23 GB	23 GB	24 GB	24 GB	78 GBMost memory
Estimated speed	12–16 tok/sestimate	27–39 tok/sestimate	4.5–6.5 tok/sestimate	7.5–12 tok/sestimate	58–84 tok/sestimateFastest
Power draw (GPU/board)	~250 WLowest power	~355 W	–	–	~350 W
Price	No current offer	No current offer	No current offer	No current offer	No current offer
Confidence	low	low	low	low	low

Leaders are marked per criterion; there is no overall winner. Speeds are estimates unless marked measured. Power is the GPU's rated board power (or the platform's, when known).

Suggested PC build

GPU: Tesla P40
Processor: Ryzen 7 9700X
RAM: 32 GB DDR5
Power supply: 550 W

The processor matters little when the model runs on the GPU; any current 8-core CPU is enough. PSU sized with 30% headroom for power spikes.

Compatibility checks: No compatibility problem detected between these parts.

Where to buy

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Radeon RX 7900 XTX

Radeon RX 7900 XTX · 24 GB GDDR6 · 960 GB/s

CompatibleRuns QwQ 32B Q4_K_M entirely in memory

Price not available

Availability unknown

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MacBook Pro 14 M3 Pro

MacBook Pro 14, MacBook Pro 16 · 18 GPU · 150 GB/s

CompatibleRuns QwQ 32B Q4_K_M entirely in memory

Price not available

Availability unknown

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AMD Ryzen AI Max+ 395

Radeon 8060S · 256 GB/s

CompatibleRuns QwQ 32B Q4_K_M entirely in memory

Price not available

Availability unknown

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