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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

Rig A

SambaNova SN40L Reconfigurable Dataflow Unit

SambaNova · accelerator

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Rig B

AWS Trainium2

AWS · cloud-model

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0 of 32 fields comparable

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SpecSambaNova SN40L Reconfigurable Dataflow UnitAWS Trainium2
Bf16 Tflops PER Chip—667
Bf16 Tflops PER Socket638—
Chips PER Trn2 Instance—16
Chips PER Ultraserver—64
Current Family ListedSN50, SN40—
DDR Bandwidth GB S200—
Ddr5 Capacity TB1.5—
FP8 Dense Petaflops PER Chip—1.3
FP8 Sparse Petaflops PER Chip—5.2
HBM Bandwidth TB S1.8—
HBM Bandwidth TB S PER Chip—2.9
HBM Capacity GB PER Chip—96
HBM Type—HBM3
Hbm3 Capacity GB64—
Neuroncores PER Chip—8
ON Chip Sram MB520—
Packaging3x CoWoS-S, 2 accelerator dies—
Pattern Compute Units1,040—
Process NodeTSMC 5nm—
Status Checked2026-09-24—
SuccessorSN50 (fifth-generation RDU)—
Successor Introduced2026-02-24—
Trainium3 GA—2025-12-02
Trainium3 HBM Bandwidth TB S—4.9
Trainium3 Hbm3e GB PER Chip—144
Trn2 Instance FP8 Petaflops—20.8
Trn2 Instance HBM TB—1.5
Trn3 Ultraserver FP8 Pflops—362
Trn3 Ultraserver MAX Chips—144
Ultraserver FP8 Petaflops—83.2
Ultraserver Total HBM Bandwidth TB S—185
Ultraserver Total HBM TB—6