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Llama-3-8B-Instruct · IQ4_XS

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AMD Radeon RX 7900 XTX24GBOllama v0.26L2 Cross-framework verified

This page aggregates 1 real-world runs of Llama-3-8B-Instruct (IQ4_XS) on AMD Radeon RX 7900 XTX with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.

87.11 tok/s

Decode

Decode speed

460.37 tok/s

Prefill

Prefill speed

2.05 s

TTFT

Time to first token

14.53 GB

VRAM

VRAM usage

L2 Cross-framework verified

1

Measured runs

1

Independent sources

Other

Source platforms

Today

Last verified

Performance

  1. vLLM · Q6_K Decode 72.29 · Prefill 325.63 ·
  2. Ollama · IQ4_XS (current)Decode 87.11 · Prefill 460.37 ·
  3. Ollama · Q5_K_S Decode 74.62 · Prefill 395.14 ·

Core figures

Decode (avg)
87.11 tok/s
Prefill (avg)
460.37 tok/s
TTFT (avg)
2.05 s
VRAM (avg)
14.53 GB
MTP acceptance rate
—
TTFB
0.7 GB
Power draw
212.6 W

Configuration

Member-level fields are taken from the most recent run

Model
Llama-3-8B-Instruct
Quantization
IQ4_XS
Framework
Ollama
Version
v0.26
Context length
2048 tokens
Batch size
256
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)
14.53 GB
OS
Windows 11 23H2
Driver
amdgpu-pro 24.20
CUDA
12.4
Power draw
212.6 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

    v0.26 · Windows 11 23H2 · CUDA 12.4 · 2048 ctx

    87.11 tok/s

    Decode

    460.37 tok/s

    Prefill

    2.05 s

    TTFT

    14.53 GB

    VRAM

    —

    MTP

    212.6 W

    Power draw

    L2 batch seed 2026-10-18: Ollama on hw_id=11 running model_id=69 at IQ4_XS