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gemma-4-12B-it · Q5_K_S

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NVIDIA RTX 409024GBStrata v0.42L2 Cross-framework verified

This page aggregates 1 real-world runs of gemma-4-12B-it (Q5_K_S) on NVIDIA RTX 4090 with Strata, contributed by 1 independent source platforms; metrics are averages of published measurements.

117.55 tok/s

Decode

Decode speed

384.33 tok/s

Prefill

Prefill speed

2.29 s

TTFT

Time to first token

22.8 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. llama.cpp · IQ2_XS Decode 152.32 · Prefill 683.44 ·
  2. Strata · Q5_K_S (current)Decode 117.55 · Prefill 384.33 ·
  3. llama.cpp · IQ3_XS Decode 114.16 · Prefill 511.31 ·
  4. llama.cpp · Q4_K_S Decode 100.24 · Prefill 360.86 ·
  5. vLLM · Q2_K Decode 139.41 · Prefill 531.29 ·
  6. Ollama · IQ4_XS Decode 95.26 · Prefill 447.14 ·
  7. Ollama · Q6_K Decode 71.51 · Prefill 296.42 ·
  8. vLLM · Q8_0 Decode 65.9 · Prefill 494.3 ·
  9. vLLM · Q5_K_M Decode 96.3 · Prefill 722.3 ·
  10. vLLM · Q4_K_M Decode 117.4 · Prefill 880.5 ·
  11. llama.cpp · Q8_0 Decode 60.5 · Prefill 453.8 ·
  12. llama.cpp · Q5_K_M Decode 88.3 · Prefill 662.3 ·
  13. llama.cpp · Q4_K_M Decode 107.7 · Prefill 807.8 ·

Core figures

Decode (avg)
117.55 tok/s
Prefill (avg)
384.33 tok/s
TTFT (avg)
2.29 s
VRAM (avg)
22.8 GB
MTP acceptance rate
0.69
TTFB
0.94 GB
Power draw
336.6 W

Configuration

Member-level fields are taken from the most recent run

Model
gemma-4-12B-it
Quantization
Q5_K_S
Framework
Strata
Version
v0.42
Context length
8192 tokens
Batch size
1024
GPU layers
15
Flash Attention
Off

Hardware

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

GPU
NVIDIA RTX 4090
Nominal VRAM
24 GB
Measured VRAM (avg)
22.8 GB
OS
Windows 11 24H2
Driver
572.83
CUDA
12.6
Power draw
336.6 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-18

    v0.42 · Windows 11 24H2 · CUDA 12.6 · 8192 ctx

    117.55 tok/s

    Decode

    384.33 tok/s

    Prefill

    2.29 s

    TTFT

    22.8 GB

    VRAM

    0.69

    MTP

    336.6 W

    Power draw

    L2 batch seed 2026-10-18: Strata on hw_id=1 running model_id=65 at Q5_K_S