Skip to content
Voltarum Local LLM Hardware Guide

Hardware to run Gemma 4 31B

Google's largest Gemma 4: a dense model for 24–32 GB cards.

Developer
Google
Parameters
31B
Max context
256K tokens
Licence
Apache 2.0

Model card on Hugging FaceGGUF filesOllama: ollama run gemma4:31b

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_M21 GB23 GB31 GB
Q8_036 GB38 GB46 GB
FP1666 GB68 GB76 GB

Hardware that runs it

Estimate

20 platforms can run Gemma 4 31B at Q4_K_M with a 32K-token context. Needs about 23 GB.

Cheapest that runs it

Fastest that runs it

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

RunsRuns comfortably (14)

PlatformSmallest configurationMemorySpeed ceilingPrice from
RTX PRO 600096 GB
23 GB / 96 GB
≤ 98 tok/s$8,565
RTX 509032 GB
23 GB / 32 GB
≤ 98 tok/s$4,329
RTX PRO 500048 GB
23 GB / 48 GB
≤ 73 tok/s$4,500
Mac Studio M5 Ultra96 GB
23 GB / 72 GB
≤ 66 tok/s$5,499
RTX PRO 450032 GB
23 GB / 32 GB
≤ 49 tok/s$2,500
Radeon AI PRO R970032 GB
23 GB / 32 GB
≤ 35 tok/s$1,550
Arc Pro B7032 GB
23 GB / 32 GB
≤ 33 tok/s$1,268
Mac mini M5 Pro64 GB
23 GB / 48 GB
≤ 17 tok/s—
Ryzen AI Max+ PRO 495192 GB
23 GB / 159 GB
≤ 15 tok/s$7,399
Jetson AGX Thor128 GB
23 GB / 115 GB
≤ 15 tok/s$5,499
DGX Spark / GB10128 GB
23 GB / 115 GB
≤ 15 tok/s$5,000
Ryzen AI Max+ 39564 GB
23 GB / 58 GB
≤ 14 tok/s$2,200
Jetson AGX Orin 64GB64 GB
23 GB / 58 GB
≤ 11 tok/s$1,999
Ryzen AI 9 HX 37032 GB
23 GB / 27 GB
≤ 7 tok/s—

Runs, tightRuns, but tight (6)

PlatformSmallest configurationMemorySpeed ceilingPrice from
RTX 409024 GB
23 GB / 24 GB
≤ 55 tok/s$1,599
RX 7900 XTX24 GB
23 GB / 24 GB
≤ 52 tok/s$1,358
RTX 309024 GB
23 GB / 24 GB
≤ 51 tok/s$1,340
RTX PRO 400024 GB
23 GB / 24 GB
≤ 37 tok/s$1,500
Mac Studio M5 Max36 GB
23 GB / 24 GB
≤ 25 tok/s$2,499
Arc Pro B6024 GB
23 GB / 24 GB
≤ 25 tok/s$599

Not enough memoryNot enough memory (11)

PlatformSmallest configurationMemorySpeed ceilingPrice from
Mac mini M632 GB
23 GB / 21 GB
—$899
RX 9060 XT 16 GB16 GB
23 GB / 16 GB
—$349
RX 9070 XT16 GB
23 GB / 16 GB
—$759
Arc Pro B5016 GB
23 GB / 16 GB
—$349
RTX 5060 Ti 16 GB16 GB
23 GB / 16 GB
—$789
RTX 5070 Ti16 GB
23 GB / 16 GB
—$1,190
RTX 508016 GB
23 GB / 16 GB
—$1,830
Arc B58012 GB
23 GB / 12 GB
—$249
RTX 3060 12 GB12 GB
23 GB / 12 GB
—$329
RTX 507012 GB
23 GB / 12 GB
—$1,010
Jetson Orin Nano Super8 GB
23 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.