ASIC vs GPU TCO Simulator
v2.4 Semiconductor Economics
Hyperscaler Presets:
Google TPU v5p
AWS Trainium2
Meta MTIA
Microsoft Maia 100
Custom 3nm ASIC vs H100
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Deployment & Workload
Workload Type
LLM Serving (70B Params, Memory-Bound)
LLM Training (405B Params, Compute-Bound)
Recommendation Embeddings (Ultra Bandwidth-Bound)
Cluster Node Count
16,384
Time Horizon (Months)
36
Electricity Cost ($/kWh)
$0.080
Custom Silicon Economics (ASIC)
NRE Tape-Out & Mask Cost ($M)
$120M
ASIC Unit Wafer Cost ($)
$4,500
Software Toolchain Overhead
15%
GPU Reference Baseline (Nvidia)
Nvidia GPU Unit Price ($)
$30,000
Custom ASIC Total TCO
$248.6M
6.55 MW Power
Nvidia GPU Total TCO
$612.4M
11.46 MW Power
Cost Savings vs GPU
59.4%
$363.8M Amortized
Breakeven Cluster Scale
4,120 Units
NRE Tapeout Payback Point
⚡
Custom ASIC yields 59.4% total cost savings over 36 months for 16,384-node LLM serving workload.
Cumulative TCO & Breakeven ($M)
Custom ASIC
Nvidia GPU
Roofline Efficiency Model
ASIC
GPU
Hardware & Architectural Comparison
Architectural Metric
Custom Silicon (3nm ASIC)
Nvidia Reference Baseline
Delta / Advantage
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