Google · 27B parameters · Gemma Terms of Use
What GPU do you need to run Gemma 3 27B?Memory, cards and speed.
Gemma 3 27B needs about 18 GB of GPU memory (VRAM) at its smallest (4-bit), so a 24 GB card such as an RTX 4090 runs it. The cheapest card on our list that fits, an RTX 3090, costs about $0.155 an hour. At its largest (16-bit) it needs about 56 GB.
GPU memory
Gemma 3 27B, by version.
Includes about 1.5 GB for the program and a short conversation (about 4,000 tokens). Long conversations need more. Speeds are ceilings: real speeds are usually half to two-thirds of them. How we work it out
| Version | Memory needed | Card size | Cards that fit | From | Top speed |
|---|---|---|---|---|---|
| 4-bit | about 18 GB | 24 GB | RTX 4090, RTX 5090, RTX 3090, RTX 3090 Ti | $0.155/hr on an RTX 3090 | about 111 tokens/s on an RTX 5090 |
| 8-bit | about 30 GB | 32 GB and up | RTX 5090 | $0.524/hr on an RTX 5090 | about 63 tokens/s on an RTX 5090 |
| 16-bit | about 56 GB | None | More than any consumer card holds | — | — |
Google's largest Gemma 3 model. It can read images as well as text.
Run it
Start Gemma 3 27B in minutes.
On KernelMachine, Rent a Chat model with it: it loads into the chat app by itself once the rental is ready, straight from Ollama to the machine, and is in the app's model menu. On any machine with Ollama, one command downloads and runs it. Ollama on a rented GPU
$ ollama run gemma3:27b
# Model files: huggingface.co/google/gemma-3-27b-it
Common questions
Questions, answered plainly.
How much VRAM does Gemma 3 27B need?
4-bit: about 18 GB; 8-bit: about 30 GB; 16-bit: about 56 GB. That includes about 1.5 GB for the program and a short conversation; longer conversations need more.
Can an RTX 4090 run Gemma 3 27B?
Yes. Gemma 3 27B (4-bit) needs about 18 GB, which fits in the RTX 4090's 24 GB.
How fast does Gemma 3 27B run?
At 4-bit, the ceiling is about 111 tokens/s on an RTX 5090: each word means reading the whole model from memory once. Real speeds are usually half to two-thirds of that.
Can I run Gemma 3 27B on KernelMachine?
Yes. Rent a Chat model with Gemma 3 27B, on this page, starts the chat app on the cheapest card with 24 GB or more, and gemma3:27b loads into it by itself once it's ready. Already renting a Chat model? Pick Gemma 3 27B on the rental's page, or download gemma3:27b from the chat app's model menu.
Other models
Compare with other chat models.
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