Models › Spark-X2.6-4B

Spark-X2.6-4B: VRAM needs and speed by GPU

At Q4_K_M, Spark-X2.6-4B needs about 3.5 GB of VRAM. No measured runs yet. Speeds below are estimates. Submit a run.

4.11B parameters · license: apache-2.0 · 1,048,576-token context · GGUF published Oct 20, 2026 · GGUF files on Hugging Face

Memory needed per quantization

QuantFile sizeNeeds (estimate)Smallest card it fits
IQ2_M1.6 GB2.5 GB8 GB cards
Q2_K1.6 GB2.5 GB8 GB cards
IQ3_XXS1.8 GB2.7 GB8 GB cards
Q3_K_S1.9 GB2.8 GB8 GB cards
IQ3_XS1.9 GB2.8 GB8 GB cards
Q3_K_M2.0 GB2.9 GB8 GB cards
Q3_K_L2.1 GB3.0 GB8 GB cards
IQ3_M2.2 GB3.1 GB8 GB cards
IQ4_XS2.3 GB3.2 GB8 GB cards
Q4_02.4 GB3.3 GB8 GB cards
Q4_K_S2.5 GB3.4 GB8 GB cards
IQ4_NL2.6 GB3.5 GB8 GB cards
Q4_K_M2.6 GB3.5 GB8 GB cards
Q4_12.6 GB3.5 GB8 GB cards
Q4_K_L2.8 GB3.7 GB8 GB cards
Q5_K_S3.0 GB3.9 GB8 GB cards
Q5_K_M3.2 GB4.1 GB8 GB cards
Q6_K_S3.5 GB4.4 GB8 GB cards
Q6_K3.6 GB4.5 GB8 GB cards
Q6_K_L3.8 GB4.7 GB8 GB cards
Q8_04.4 GB5.3 GB8 GB cards
BF168.2 GB9.1 GB12 GB cards

Expected speed on popular hardware

HardwareBest quant that fitsExpected tok/s
NVIDIA RTX 3060Q8_070.4 estimate
NVIDIA RTX 4060 TiQ8_056.0 estimate
NVIDIA RTX 3090Q8_0150 estimate
NVIDIA RTX 4090Q8_0166 estimate
NVIDIA RTX 5090Q8_0262 estimate
AMD Radeon RX 7900 XTXQ8_0167 estimate
Apple M4 Pro (20-core GPU) (64 GB)Q8_052.9 estimate
Apple M3 Max (40-core GPU) (64 GB)Q8_077.3 estimate
AMD Ryzen AI Max+ 395 (Radeon 8060S)Q8_047.5 estimate

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