← AI Hashrate 中文

Arc Pro B70 32GB vs Titan Xp 12GB for Local LLMs

The Arc Pro B70 32GB has about 11% more memory bandwidth (608 vs 548 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 11% faster on the Arc Pro B70 32GB. The Arc Pro B70 32GB fits more of the catalog at Q4/8K — 39 vs 18 of 69 models (32 vs 12 GB VRAM). Largest model that fits the Arc Pro B70 32GB but not the Titan Xp 12GB: Qwen3.6-35B-A3B (36.0B). MSRP is $999 for the Arc Pro B70 32GB 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 Pro B70 32GB posts the higher tok/s in 29 rows vs 12. Methodology.

Spec comparison

Arc Pro B70 32GBTitan Xp 12GB
VendorIntelNVIDIA
VRAM32 GB12 GB
Memory typeGDDR6GDDR5X
Memory bandwidth608 GB/s548 GB/s
TDP225 W250 W
MSRP (list)$999$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 Pro B70 32GB tok/sArc Pro B70 32GB fitsTitan Xp 12GB tok/sTitan Xp 12GB fitsWinner
MiniCPM5-1B1.08358.2 est.Yes322.9 est.YesArc Pro B70 32GB
gpt-oss-20b21.5107.5 est.Yes216.2 est.NoTitan Xp 12GB
Qwen3.5-2B2.0193.5 est.Yes174.4 est.YesArc Pro B70 32GB
Qwen3-Coder-Next79.7186.8 est.No23.6 est.NoArc Pro B70 32GB
Qwen3-Next-80B-A3B-Instruct81.3179.7 est.No22.7 est.NoArc Pro B70 32GB
DeepSeek-R1-0528-Qwen3-8B-layer-mix-bpw-3.8-mlx2.3168.2 est.Yes151.6 est.YesArc Pro B70 32GB
Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF1630.0129.0 est.Yes155.0 est.NoTitan Xp 12GB
gemma-4-26B-A4B-it25.2101.8 est.Yes154.1 est.NoTitan Xp 12GB
Qwen3-30B-A3B-Instruct-250730.5129.0 est.Yes141.0 est.NoTitan Xp 12GB
GLM-4.7-Flash31.2129.0 est.Yes135.3 est.NoTitan Xp 12GB
Qwen3.6-35B-A3B36.0129.0 est.Yes109.2 est.NoArc Pro B70 32GB
Qwen3.5-35B-A3B34.7129.0 est.Yes117.2 est.NoArc Pro B70 32GB
Ornith-1.0-35B35.0129.0 est.Yes109.6 est.NoArc Pro B70 32GB
qwen35b-a3b-fable-sft-abliterated34.7129.0 est.Yes111.3 est.NoArc Pro B70 32GB
Llama-3.2-3B-Instruct3.2120.9 est.Yes109.0 est.YesArc Pro B70 32GB

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 Pro B70 32GBTitan Xp 12GB
Catalog models that fit39 of 6918 of 69
Largest exclusive fitQwen3.6-35B-A3B (36.0B)

Arc Pro B70 32GB details → · Titan Xp 12GB details →