Skip to content
MCS · Rigs · Compare

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

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

0 of 39 fields comparable

⇄ swap sides
SpecAWS Trainium2NVIDIA DGX Spark
Bf16 Tflops PER Chip667—
Chips PER Trn2 Instance16—
Chips PER Ultraserver64—
CPU Breakdown—10x Arm Cortex-X925 + 10x Arm Cortex-A725
CPU Cores Total—20
Dimensions MM—150 x 150 x 50.5
Ethernet—1x 10 GbE RJ-45
FP4 Pflops Sparse—1
FP8 Dense Petaflops PER Chip1.3—
FP8 Sparse Petaflops PER Chip5.2—
Gb10 TDP Watts—140
GPU Arch—Blackwell, 5th-gen Tensor Cores, 4th-gen RT Cores
HBM Bandwidth TB S PER Chip2.9—
HBM Capacity GB PER Chip96—
HBM TypeHBM3—
Launch Price USD—3,999
Memory bandwidth (GB/s)—273
Memory Interface BIT—256
Memory type—LPDDR5X
MSRP (USD)↓ better—4,699
Neuroncores PER Chip8—
NIC—ConnectX-7 @ 200 Gbps
Price Change Effective—2026-02-23
PSU Watts—240
Storage—4TB NVMe M.2 self-encrypting
Superchip—NVIDIA GB10 Grace Blackwell
Trainium3 GA2025-12-02—
Trainium3 HBM Bandwidth TB S4.9—
Trainium3 Hbm3e GB PER Chip144—
Trn2 Instance FP8 Petaflops20.8—
Trn2 Instance HBM TB1.5—
Trn3 Ultraserver FP8 Pflops362—
Trn3 Ultraserver MAX Chips144—
Ultraserver FP8 Petaflops83.2—
Ultraserver Total HBM Bandwidth TB S185—
Ultraserver Total HBM TB6—
Unified Memory GB—128
Weight KG—1.2
Wireless—Wi-Fi 7, Bluetooth 5.4