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Llama-3.1-8B-Instruct · Q6_K

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NVIDIA RTX 409024GBStrata v0.37L2 Cross-framework verified

This page aggregates 1 real-world runs of Llama-3.1-8B-Instruct (Q6_K) on NVIDIA RTX 4090 with Strata, contributed by 1 independent source platforms; metrics are averages of published measurements.

151.86 tok/s

Decode

Decode speed

574.29 tok/s

Prefill

Prefill speed

2.15 s

TTFT

Time to first token

18.9 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

17 days ago

Last verified

Performance

  1. vLLM · IQ2_XS Decode 205.12 · Prefill 1126.08 ·
  2. Strata · Q4_K_M Decode 191.74 · Prefill 642.2 ·
  3. Strata · Q6_K (current)Decode 151.86 · Prefill 574.29 ·
  4. llama.cpp · Q5_K_M Decode 128.55 · Prefill 827.45 ·
  5. vLLM · Q4_K_M Decode 142.74 · Prefill 510.45 ·
  6. llama.cpp · Q8_0 Decode 91.4 · Prefill 685.5 ·
  7. llama.cpp · Q4_K_M Decode 160.5 · Prefill 1203.8 ·

Core figures

Decode (avg)
151.86 tok/s
Prefill (avg)
574.29 tok/s
TTFT (avg)
2.15 s
VRAM (avg)
18.9 GB
MTP acceptance rate
0.77
TTFB
1.21 GB
Power draw
370.3 W

Configuration

Member-level fields are taken from the most recent run

Model
Llama-3.1-8B-Instruct
Quantization
Q6_K
Framework
Strata
Version
v0.37
Context length
2048 tokens
Batch size
256
GPU layers
12
Flash Attention
On

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)
18.9 GB
OS
Ubuntu 24.04
Driver
560.94
CUDA
12.6
Power draw
370.3 W

Sources & evidence

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

  1. L2 Cross-framework verifiedOtherOriginal link Verified on 2026-10-19

    v0.37 · Ubuntu 24.04 · CUDA 12.6 · 2048 ctx

    151.86 tok/s

    Decode

    574.29 tok/s

    Prefill

    2.15 s

    TTFT

    18.9 GB

    VRAM

    0.77

    MTP

    370.3 W

    Power draw

    L2 batch seed 2026-10-19: Strata on hw_id=1 running model_id=68 at Q6_K