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NVNEXUS
GPU Comparison

NVIDIA A100 80GB vs NVIDIA Rubin CPX

How the NVIDIA A100 80GB and NVIDIA Rubin CPX compare across memory, compute, power and form factor, with the stronger figure highlighted on each row.

Specification NVIDIA A100 80GB AMPERE NVIDIA A100 80GB View Product NVIDIA Rubin CPX RUBIN NVIDIA Rubin CPX View Product
Pricing
Price
Overview
Architecture Ampere Rubin (CPX variant)
Memory
Memory 80 GB HBM2e HBM4 (capacity per partner configuration)
Memory Bandwidth 2,039 GB/s
Compute
FP32 19.5 TFLOPS
FP64 Tensor 19.5 TFLOPS
TF32 Tensor 312 TFLOPS (Sparse)
FP16/BF16 Tensor 624 TFLOPS (Sparse)
INT8 Tensor 1,248 TOPS (Sparse)
Platform
Interface Gen4
NVLink 600 GB/s NVLink 6, PCIe Gen 6
TDP 400W
Form Factor SXM / rack-integrated
Multi-Instance GPU (MIG) Up to 7 instances
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