HARDWARE FIT CHECK โ€ข Google Gemma 4 26B MoE + NVIDIA GeForce RTX 3060 (12GB)20.23 GB / 12 GB VRAM

Can I Run Google Gemma 4 26B MoE on NVIDIA GeForce RTX 3060 (12GB)?

Full VRAM footprint analysis, tokens/sec generation benchmark, and copy-paste Ollama & vLLM runtime commands for running Google Gemma 4 26B MoE (26.4B) on NVIDIA GeForce RTX 3060 (12GB) (12 GB).

โŒ Out of Memory (OOM) โ€” Exceeds Hardware VRAM20.23 GB (169%)0 t/s

Model & Target Hardware

interactive
High-Speed Consumer GPU & Apple Silicon Daily Assistant
Google Gemma 4 26B MoE on NVIDIA GeForce RTX 3060 (12GB)

โœ• Out of Memory โ€” Exceeds VRAM Capacity

โœ• OOM
Required VRAM
20.23 GB
169% of hardware capacity (12 GB)
Est. Decode Speed
0 tok/s
4.2B active params @ 360 GB/s
Available Headroom
-8.23 GB
Needs +8.23 GB more VRAM
Memory Allocation & Headroom
20.23 GB allocated of 12 GB capacity
169% utilized
Weights: 15.84 GB
KV: (32K): 3.09 GB
Overhead: 1.3 GB
Deficit: -8.23 GB
โšก Architecture & Throughput Transparency: Single-user decode speed (~0 tok/s) is memory-bandwidth bound at batch size = 1 on NVIDIA GeForce RTX 3060 (12GB) (360 GB/s). Prompt prefill / TTFT (~0 tok/s) is compute-bound and utilizes GPU Tensor cores. Actual latency varies with FlashAttention-2 and runtime engine (Ollama/vLLM/llama.cpp).
OLLAMA_FLASH_ATTENTION=1 OLLAMA_KV_CACHE_TYPE=q8_0 ollama run gemma4:26b

Quantization Precision Matrix

32K ctx โ€ข KV: Q8_0
QuantizationWeightsKV CacheTotal VRAMEst. SpeedFit Status
FP1616 bpw52.8 GB3.09 GB58.49 GB (487%)0 t/sOOM
Q8_08.5 bpw27.98 GB3.09 GB32.8 GB (273%)0 t/sOOM
Q6_K6.56 bpw21.65 GB3.09 GB26.25 GB (219%)0 t/sOOM
Q5_K_M5.68 bpw18.74 GB3.09 GB23.24 GB (194%)0 t/sOOM
Q4_K_M4.8 bpw15.84 GB3.09 GB20.23 GB (169%)0 t/sOOM
FP44.25 bpw13.99 GB3.09 GB18.32 GB (153%)0 t/sOOM
IQ3_XS3.3 bpw10.82 GB3.09 GB15.04 GB (125%)~21 t/sPARTIAL

Local Hardware Configurations & Pricing

High-bandwidth VRAM specs and current market prices
Consumer GPU12 GB VRAM

NVIDIA GeForce RTX 3060 (12GB)

Entry-level budget card for 7Bโ€“14B Q4 models

360 GB/s170W TDP
Consumer GPU32 GB VRAM

NVIDIA GeForce RTX 5090 (32GB GDDR7)

Maximum tokens/sec on 27Bโ€“35B models & Blackwell FP4 quantization

1792 GB/s575W TDP
Consumer GPU24 GB VRAM

NVIDIA GeForce RTX 4090 (24GB GDDR6X)

The 24GB CUDA enthusiast standard for 14Bโ€“32B Q4_K_M models

1008 GB/s450W TDP
Multi-GPU Rig48 GB VRAM

2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)

Best price-to-VRAM homelab rig for 70B Q4_K_M & Qwen 3.8 27B Q8

936 GB/s700W TDP

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