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gemma-4-12B-it · IQ2_XS
NVIDIA RTX 509032GBOllama v0.23L2 Cross-framework verified
This page aggregates 1 real-world runs of gemma-4-12B-it (IQ2_XS) on NVIDIA RTX 5090 with Ollama, contributed by 1 independent source platforms; metrics are averages of published measurements.
246.6 tok/s
Decode
Decode speed
1,083.78 tok/s
Prefill
Prefill speed
2.3 s
TTFT
Time to first token
14.2 GB
VRAM
VRAM usage
L2 Cross-framework verified
1
Measured runs
1
Independent sources
Other
Source platforms
Today
Last verified
Performance
- llama.cpp · IQ2_XS Decode 253.43 · Prefill 894.02 ·
- llama.cpp · IQ3_S Decode 214.27 · Prefill 831.85 ·
- vLLM · IQ1_S Decode 298.32 · Prefill 1152.98 ·
- vLLM · IQ2_M Decode 288.51 · Prefill 940.03 ·
- Ollama · IQ2_XS (current)Decode 246.6 · Prefill 1083.78 ·
- vLLM · Q8_0 Decode 117.2 · Prefill 879 ·
- vLLM · Q5_K_M Decode 171.1 · Prefill 1283.3 ·
- vLLM · Q4_K_M Decode 208.7 · Prefill 1565.3 ·
- llama.cpp · Q8_0 Decode 107.5 · Prefill 806.3 ·
- llama.cpp · Q5_K_M Decode 157.1 · Prefill 1178.3 ·
- llama.cpp · Q4_K_M Decode 191.5 · Prefill 1436.3 ·
Core figures
- Decode (avg)
- 246.6 tok/s
- Prefill (avg)
- 1,083.78 tok/s
- TTFT (avg)
- 2.3 s
- VRAM (avg)
- 14.2 GB
- MTP acceptance rate
- —
- TTFB
- 1.97 GB
- Power draw
- 483.8 W
Configuration
Member-level fields are taken from the most recent run
- Model
- gemma-4-12B-it
- Quantization
- IQ2_XS
- Framework
- Ollama
- Version
- v0.23
- Context length
- 32768 tokens
- Batch size
- 256
- GPU layers
- 20
- Flash Attention
- On
Hardware
Nominal and measured figures are shown side by side; whether it runs is the reader's call
- GPU
- NVIDIA RTX 5090
- Nominal VRAM
- 32 GB
- Measured VRAM (avg)
- 14.2 GB
- OS
- Ubuntu 22.04
- Driver
- 560.94
- CUDA
- 12.6
- Power draw
- 483.8 W
Sources & evidence
1 measured records in total, each traceable to its original source
v0.23 · Ubuntu 22.04 · CUDA 12.6 · 32768 ctx
246.6 tok/s
Decode
1,083.78 tok/s
Prefill
2.3 s
TTFT
14.2 GB
VRAM
—
MTP
483.8 W
Power draw
L2 batch seed 2026-10-10: Ollama on hw_id=13 running model_id=65 at IQ2_XS