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Arc A770 16GB vs Titan Xp 12GB for Local LLMs

The Arc A770 16GB has about 2% more memory bandwidth (560 vs 548 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 2% faster on the Arc A770 16GB. The Arc A770 16GB fits more of the catalog at Q4/8K — 24 vs 18 of 69 models (16 vs 12 GB VRAM). Largest model that fits the Arc A770 16GB but not the Titan Xp 12GB: gemma-4-26B-A4B-it (25.2B). MSRP is $349 for the Arc A770 16GB vs $1,200 for the Titan Xp 12GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. In the Q4/8K head-to-head below (41 shared models), the Arc A770 16GB posts the higher tok/s in 35 rows vs 6. Methodology.

Spec comparison

Arc A770 16GBTitan Xp 12GB
VendorIntelNVIDIA
VRAM16 GB12 GB
Memory typeGDDR6GDDR5X
Memory bandwidth560 GB/s548 GB/s
TDP225 W250 W
MSRP (list)$349$1,200
BuySearch Amazon (affiliate)Search Amazon (affiliate)

MSRP is the launch list price, not live retail. Buy links are Amazon affiliate links — the price after you click is the live price.

Q4 / 8K head-to-head — top 15 of 41 shared models

ModelParams (B)Arc A770 16GB tok/sArc A770 16GB fitsTitan Xp 12GB tok/sTitan Xp 12GB fitsWinner
MiniCPM5-1B1.08330.0 est.Yes322.9 est.YesArc A770 16GB
Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF1630.0281.9 est.No155.0 est.NoArc A770 16GB
Qwen3-30B-A3B-Instruct-250730.5256.4 est.No141.0 est.NoArc A770 16GB
GLM-4.7-Flash31.2246.1 est.No135.3 est.NoArc A770 16GB
gpt-oss-20b21.599.0 est.Yes216.2 est.NoTitan Xp 12GB
Qwen3.5-35B-A3B34.7213.1 est.No117.2 est.NoArc A770 16GB
qwen35b-a3b-fable-sft-abliterated34.7202.3 est.No111.3 est.NoArc A770 16GB
Ornith-1.0-35B35.0199.2 est.No109.6 est.NoArc A770 16GB
Qwen3.6-35B-A3B36.0198.7 est.No109.2 est.NoArc A770 16GB
Qwen3.5-2B2.0178.2 est.Yes174.4 est.YesArc A770 16GB
DeepSeek-R1-0528-Qwen3-8B-layer-mix-bpw-3.8-mlx2.3154.9 est.Yes151.6 est.YesArc A770 16GB
gemma-4-26B-A4B-it25.293.8 est.Yes154.1 est.NoTitan Xp 12GB
Llama-3.2-3B-Instruct3.2111.4 est.Yes109.0 est.YesArc A770 16GB
Qwen3-4B-Instruct-25074.089.1 est.Yes87.2 est.YesArc A770 16GB
NVIDIA-Nemotron-3-Nano-4B-BF164.089.1 est.Yes87.2 est.YesArc A770 16GB

est. = bandwidth-based estimate; measured = curated real benchmark that overrides the estimate. Fits = weights + KV(8K) + 1 GB overhead ≤ 95% of VRAM.

Fit coverage at Q4 / 8K

Arc A770 16GBTitan Xp 12GB
Catalog models that fit24 of 6918 of 69
Largest exclusive fitgemma-4-26B-A4B-it (25.2B)

Arc A770 16GB details → · Titan Xp 12GB details →