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Voltarum Local LLM Hardware Guide

Hardware to run Llama 3.3 70B

The classic 70B dense model: the usual test for 48 GB setups such as two 24 GB cards.

Developer
Meta
Parameters
71B
Max context
128K tokens
Licence
Llama 3.3 Community License

Model card on Hugging FaceGGUF filesOllama: ollama run llama3.3:70b

Memory needed

Factual data

Weights plus context cache plus about 1.5 GB of runtime buffers, by quantisation and context length.

Quantisation8K tokens32K tokens128K tokens
Q4_K_M47 GB55 GB87 GB
Q8_079 GB87 GB119 GB
FP16145 GB153 GB186 GB

Hardware that runs it

Estimate

9 platforms can run Llama 3.3 70B at Q4_K_M with a 32K-token context. Needs about 55 GB.

Cheapest that runs it

Fastest that runs it

Model weightsContext cache (KV)RuntimeUsable limit (colour = verdict)

RunsRuns comfortably (7)

PlatformSmallest configurationMemorySpeed ceilingPrice from
RTX PRO 600096 GB
55 GB / 96 GB
≤ 42 tok/s$8,565
Mac Studio M5 Ultra96 GB
55 GB / 72 GB
≤ 28 tok/s$5,499
Mac Studio M5 Max128 GB
55 GB / 96 GB
≤ 14 tok/s—
Ryzen AI Max+ PRO 495192 GB
55 GB / 159 GB
≤ 6 tok/s$7,399
Jetson AGX Thor128 GB
55 GB / 115 GB
≤ 6 tok/s$5,499
DGX Spark / GB10128 GB
55 GB / 115 GB
≤ 6 tok/s$5,000
Ryzen AI 9 HX 37096 GB
55 GB / 82 GB
≤ 2 tok/s—

Runs, tightRuns, but tight (2)

PlatformSmallest configurationMemorySpeed ceilingPrice from
Ryzen AI Max+ 39564 GB
55 GB / 58 GB
≤ 6 tok/s$2,200
Jetson AGX Orin 64GB64 GB
55 GB / 58 GB
≤ 5 tok/s$1,999

Not enough memoryNot enough memory (22)

PlatformSmallest configurationMemorySpeed ceilingPrice from
Mac mini M5 Pro64 GB
55 GB / 48 GB
—$1,699
RTX PRO 500048 GB
55 GB / 48 GB
—$4,500
Radeon AI PRO R970032 GB
55 GB / 32 GB
—$1,550
Mac mini M632 GB
55 GB / 21 GB
—$899
Arc Pro B7032 GB
55 GB / 32 GB
—$1,268
RTX 509032 GB
55 GB / 32 GB
—$4,329
RTX PRO 450032 GB
55 GB / 32 GB
—$2,500
RX 7900 XTX24 GB
55 GB / 24 GB
—$1,358
Arc Pro B6024 GB
55 GB / 24 GB
—$599
RTX 309024 GB
55 GB / 24 GB
—$1,340
RTX 409024 GB
55 GB / 24 GB
—$1,599
RTX PRO 400024 GB
55 GB / 24 GB
—$1,500
RX 9060 XT 16 GB16 GB
55 GB / 16 GB
—$349
RX 9070 XT16 GB
55 GB / 16 GB
—$759
Arc Pro B5016 GB
55 GB / 16 GB
—$349
RTX 5060 Ti 16 GB16 GB
55 GB / 16 GB
—$789
RTX 5070 Ti16 GB
55 GB / 16 GB
—$1,190
RTX 508016 GB
55 GB / 16 GB
—$1,830
Arc B58012 GB
55 GB / 12 GB
—$249
RTX 3060 12 GB12 GB
55 GB / 12 GB
—$329
RTX 507012 GB
55 GB / 12 GB
—$1,010
Jetson Orin Nano Super8 GB
55 GB / 6 GB
—$399

Not supportedNot supported (2)

PlatformSmallest configurationMemorySpeed ceilingPrice from
RK3588 (Orange Pi 5 Plus and others)32 GB———
Raspberry Pi AI HAT+ 28 GB——$200

Theoretical maximum for generating text: memory bandwidth divided by the bytes read per token. Real runs usually reach about half to three quarters of it.