Family Gemma · 27B parameters

Gemma 2 27B

The high-end Gemma. Excellent in French.

🇺🇸 Google·License Gemma·Context 8k tokens·Output June 2024·Fits within the 128 GB of the GIGABYTE AI TOP ATOM← Catalog

01What it can do

Strengths
  • Quality close to 70B
  • 16 GB VRAM Q4 (accessible)
  • Very good at instruction following
Limitations to know
  • —8192 context only — the major weakness
  • —Gemma license (not Apache 2.0)
Architecture
Dense transformer · Gemma 2 27B · logit soft-capping
Training
13T tokens. The largest in the Gemma 2 family.
Ideal for
WritingAnalysis

05Install

Install Ollama for your OS. Check the model and its quantization before downloading. Start with 4096 tokens of context, then check placement with ollama ps. A command below is not proof that a test was run on your machine.

$ollama run gemma2:27b
⚠
First download: between 2 and 40 GB depending on the selected quantization. Plan for sufficient disk space; a stable connection is recommended. Subsequent launches are instant.

02Required memory

Approximate GPU VRAM required to run this model, including 4k tokens of context overhead. For a longer context, add ~1 GB per 8k-token increment.

Q4_K_M
The lightest, ~5% loss
16 GB
Q5_K_M
Good quality/size compromise
19 GB
Q8_0
Nearly indistinguishable from FP16
29 GB
FP16
Full precision — server use
54 GB
Fallback CPU · If you don't have a GPU, allow 28 GB of RAM minimum to run this model at reduced speed.

What hardware do you need for Gemma 2 27B?

To run Gemma 2 27B locally with Q4 quantization, you need about 16 GB of VRAM. An option to compare: GMKtec EVO-X2 64GB / 1TB (Ryzen AI Max+ 395) — leave some headroom for the system and context; check engine compatibility with the GPU.

Current offer: GMKtec EVO-X2 64GB / 1TB (Ryzen AI Max+ 395)
AmazonSee price →

Why this choice? Our complete guide on GMKtec EVO-X2 64GB / 1TB (Ryzen AI Max+ 395) →

Affiliate links — commission possible at no extra cost to you; independent recommendation. As an Amazon Associate, BestLLMfor earns from qualifying purchases.

On the go: Gemma 2 27B also runs on a RTX laptop PC (16 GB of VRAM) →

This model in your private ChatGPT, without the cloud

Your private ChatGPT, free, on your own machine in an hour — LM Studio, Ollama, Open WebUI, your documents, no cloud.

  • Lifetime online access
  • PDF + files
  • Lifetime updates

03Expected speed

Tokens generated per second in Q4_K_M, 4k context. Beyond 20 t/s, reading is comfortable. Below 10 t/s, that's just for testing.

Entry-level
~3t/s
GTX 1650, RX 6600, MBA M2 8GB
Mid-range
~13t/s
RTX 4060, 4070, MBP M3 Pro
High-end
~32t/s
RTX 4090, M4 Max, Radeon 7900

04Public benchmarks

Scores reproduced from model cards or MMLU-Pro / community sources. Unit: % correct answers.

MMLU
75.2
HellaSwag
89.5
HumanEval
51.8