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gemma-4-12B-it · Q4_K_S

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AMD Radeon RX 7900 XTX24GBOllama v0.52L2 Cross-framework verified

This page aggregates 1 real-world runs of gemma-4-12B-it (Q4_K_S) on AMD Radeon RX 7900 XTX with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

67.64 tok/s

Decode

Decode speed

313.4 tok/s

Prefill

Prefill speed

1.9 s

TTFT

Time to first token

21.76 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. vLLM · Q4_K_S Decode 86.73 · Prefill 462.81 ·
  2. vLLM · Q5_K_S Decode 64.98 · Prefill 291.13 ·
  3. Ollama · IQ2_M Decode 92.49 · Prefill 473.64 ·
  4. Ollama · Q4_K_S (current)Decode 67.64 · Prefill 313.4 ·
  5. Strata · IQ3_XS Decode 129.13 · Prefill 417.63 ·

Core figures

Decode (avg)
67.64 tok/s
Prefill (avg)
313.4 tok/s
TTFT (avg)
1.9 s
VRAM (avg)
21.76 GB
MTP acceptance rate
—
TTFB
0.54 GB
Power draw
393.2 W

Configuration

Member-level fields are taken from the most recent run

Model
gemma-4-12B-it
Quantization
Q4_K_S
Framework
Ollama
Version
v0.52
Context length
8192 tokens
Batch size
512
GPU layers
99
Flash Attention
On

Hardware

Nominal and measured figures are shown side by side; whether it runs is the reader's call

GPU
AMD Radeon RX 7900 XTX
Nominal VRAM
24 GB
Measured VRAM (avg)
21.76 GB
OS
Ubuntu 24.04
Driver
555.85
CUDA
12.4
Power draw
393.2 W

Sources & evidence

1 measured records in total, each traceable to its original source

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-10

    v0.52 · Ubuntu 24.04 · CUDA 12.4 · 8192 ctx

    67.64 tok/s

    Decode

    313.4 tok/s

    Prefill

    1.9 s

    TTFT

    21.76 GB

    VRAM

    —

    MTP

    393.2 W

    Power draw

    L2 batch seed 2026-10-10: Ollama on hw_id=11 running model_id=65 at Q4_K_S