Flopper.io GPU Specification Sheet

August 11, 2026

flopper.io/gpu/sambanova-sn40l

SambaNova SN40L

RDU 5nm

Overview

—

FP32 TFLOPS

64 GB

VRAM HBM

1.8 TB/s

Memory Bandwidth

—

TDP

Performance Metrics

Precision	Peak TFLOPS	Bits	Type
BF16	638.0	16	Standard

Memory Specifications

Capacity: 64 GB
Type: HBM
Bandwidth: 1.8 TB/s
Interface Width: —

Power & Efficiency

TDP: —
Est. Max Power: —
FP32 Efficiency: —
FP16 Efficiency: —

Hardware Details

Vendor: SambaNova

Architecture: RDU

Process Node: 5nm

Form Factor: —

Launch Year: —

Compute Engine

PCU: 1,040

Chip Design

Chiplets: 2 (Dual-die socket packaged with TSMC CoWoS)