readygpu

Intel Arc A770 16GB vs Intel Arc B580

For running models locally, priced in Germany. At 128k context the first runs 5 models fully in memory, the second 4.

In short

The Intel Arc A770 16GB has more memory for models: 16 GB against 12 GB. At 128k context the Intel Arc A770 16GB runs 5 of the models we track fully in memory and the Intel Arc B580 4; only the Intel Arc A770 16GB holds LFM2.5 8B-A1B. On the models both run fully in memory, the Intel Arc A770 16GB and the Intel Arc B580 are about as fast as each other (estimated). In Germany the Intel Arc A770 16GB costs 646 € at eBay and the Intel Arc B580 349 € at eBay: the Intel Arc B580 is 297 € cheaper.

Updated . Speeds are estimates; how they are worked out.

Intel Arc A770 16GB

646 €

eBay

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Intel Arc B580

349 €

eBay

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Specifications

SpecIntel Arc A770 16GBIntel Arc B580
GPUArc A770 16GBArc B580
Memory16 GB GDDR612 GB GDDR6
Memory bus256-bit192-bit
Memory bandwidth560 GB/s456 GB/s
FP16 compute131 TFLOPS116.5 TFLOPS
SoftwareSYCL / oneAPISYCL / oneAPI
Board power225 W190 W
PCIe generationGen 4Gen 4
PCIe lanesx16x8

What each runs

Estimated decode speed with the most precise quant that fits each one est.

ModelIntel Arc A770 16GBIntel Arc B580
Gemma 4 12B23tok/sQ6_K24tok/sQ4_K_M
Qwen 3.5 9B20tok/sQ8_023tok/sQ4_K_M
Qwen 3.5 4B32tok/sQ8_026tok/sQ8_0
Gemma 4 E4B23tok/sQ8_025tok/sQ5_K_M
LFM2.5 8B-A1B21tok/sUD-Q6_Koffload
Qwen 3.8 27Boffloadoffload
Qwen 3.6 27Boffloadoffload
Gemma 4 31Boffloadoffload
Qwen 3.6 35B-A3Boffloadoffload
Qwen 3.5 27Boffloadoffload
Gemma 4 26B-A4Boffloadoffload
Qwen 3.5 35B-A3Boffloadoffload
GLM 4.7 Flashoffloadoffload
Devstral Small 2 24Boffloadoffload
Nemotron 3.5 Lightning 30B-A3Boffloadoffload
gpt-oss 20Boffloadoffload
Kimi Linear 48B-A3Boffloadoffload
Qwen3 Coder 30B-A3Boffloadoffload
Gemma 3 27Boffloadoffload
Mistral Small 3.2 24Boffloadoffload
Ministral 3 14Boffloadoffload
Qwen3 14Boffloadoffload
DeepSeek R1 0528 Qwen3 8Boffloadoffload
Qwen3 8Boffloadoffload
Phi-4 14Boffloadoffload
Ministral 3 8Boffloadoffload
Granite 4.2 8Boffloadoffload
Llama 3.1 8Boffloadoffload
DeepSeek V4 Flashwon't runwon't run
GLM 5.3 Flashwon't runwon't run
Qwen 3.8 Flash Nextwon't runwon't run
MiniMax M2.7won't runwon't run
Qwen 3.5 122B-A10Bwon't runwon't run
Nemotron 3 Super 120B-A12Bwon't runwon't run
Qwen3 Coder Nextwon't runwon't run
gpt-oss 120Bwon't runwon't run
Mistral Small 4 119Bwon't runwon't run
GLM 4.5 Airwon't runwon't run
Qwen3 Next 80B-A3Bwon't runwon't run
Qwen3 32Bwon't runwon't run
DeepSeek R1 Distill Qwen 32Bwon't runwon't run
Llama 3.3 70Bwon't runwon't run

Questions

Which is better for local AI, the Intel Arc A770 16GB or the Intel Arc B580?
Choose the Intel Arc A770 16GB to run bigger models. Choose the Intel Arc B580 to spend less.
Which can run bigger models, the Intel Arc A770 16GB or the Intel Arc B580?
At 128k context the Intel Arc A770 16GB runs 5 of the models we track fully in memory and the Intel Arc B580 4; only the Intel Arc A770 16GB holds LFM2.5 8B-A1B.
Which is faster for local AI, the Intel Arc A770 16GB or the Intel Arc B580?
On the models both run fully in memory, the Intel Arc A770 16GB and the Intel Arc B580 are about as fast as each other (estimated).
What is the price difference between the Intel Arc A770 16GB and the Intel Arc B580?
In Germany the Intel Arc A770 16GB costs 646 € at eBay and the Intel Arc B580 349 € at eBay: the Intel Arc B580 is 297 € cheaper.

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