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

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

Rig A

Unitree B2

Unitree Robotics · edge

Change

Rig B

AWS Trainium2

AWS · cloud-model

Change

0 of 58 fields comparable

⇄ swap sides

Spec	Unitree B2	AWS Trainium2
Battery AH	45	—
Battery Voltage V	58	—
Battery WH	2,250	—
Bf16 Tflops PER Chip	—	667
Canonical Name	Unitree B2	—
Chips PER Trn2 Instance	—	16
Chips PER Ultraserver	—	64
Commercial Release Year	2,024	—
Compute Modules MAX	3	—
Compute Optional CPU	Intel Core i7	—
Compute Optional GPU	NVIDIA Jetson Orin NX	—
Compute Standard	Intel Core i5	—
Deployment Status	commercial	—
Depth Cameras	2	—
Form factor	quadruped	—
FP8 Dense Petaflops PER Chip	—	1.3
FP8 Sparse Petaflops PER Chip	—	5.2
HBM Bandwidth TB S PER Chip	—	2.9
HBM Capacity GB PER Chip	—	96
HBM Type	—	HBM3
IP Rating	IP67	—
Lidars	1	—
Loaded Weight KG	20	—
MAX Slope Degrees	45	—
MAX Speed M S	6	—
MAX Stair Height CM	40	—
MSRP (USD)↓ better	100,000	—
Neuroncores PER Chip	—	8
Operating Temp MAX C	55	—
Operating Temp MIN C	-20	—
Operating Temp MIN C ABS	20	—
Optical Cameras	2	—
Payload Standing KG	120	—
Payload Walking KG	40	—
Prone Height MM	330	—
Prone Length MM	880	—
Prone Width MM	460	—
Range Loaded KM	15	—
Range Unloaded KM	20	—
Runtime Loaded Hours	4	—
Runtime Unloaded Hours	5	—
Standing Height MM	645	—
Standing Length MM	1,098	—
Standing Width MM	450	—
Status Checked	2026-09-24	—
Store Available	false	—
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
Vendor	Unitree Robotics	—
Weight KG	60	—