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

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

Rig A

AWS · cloud-model

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Rig B

NVIDIA · workstation

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0 of 40 fields comparable

Spec	AWS Trainium2	NVIDIA GB200 NVL72
Bf16 Tflops PER Chip	667	—
Blackwell Gpus	—	72
Chips PER Trn2 Instance	16	—
Chips PER Ultraserver	64	—
Compute Trays	—	18
Cooling	—	liquid
CPU Memory Bandwidth TB S	—	14
CPU Memory Lpddr5x TB	—	17
Fp16 Bf16 Pflops	—	360
FP32 TFLOPS	—	5,760
FP64 TFLOPS	—	2,880
FP8 Dense Petaflops PER Chip	1.3	—
FP8 FP6 Pflops	—	720
FP8 Sparse Petaflops PER Chip	5.2	—
GPU Memory Bandwidth TB S	—	576
Grace Cpus	—	36
HBM Bandwidth TB S PER Chip	2.9	—
HBM Capacity GB PER Chip	96	—
HBM Type	HBM3	—
Int8 Pops	—	720
Neuroncores PER Chip	8	—
Nvfp4 Pflops Dense	—	720
Nvfp4 Pflops Sparse	—	1,440
Nvlink Generation	—	5
Nvswitch Trays	—	9
Rack Power KW Approx	—	120
Tf32 Pflops	—	180
Total ARM Cores	—	2,592
Total Hbm3e TB	—	13.4
Total Nvlink Bandwidth TB S	—	130
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	—