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

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

Rig A

HPE / AMD · workstation

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Rig B

Unitree Robotics · edge

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Spec	Frontier (OLCF-5)	Unitree B2
Accelerator	AMD Instinct MI250X	—
Battery AH	—	45
Battery Voltage V	—	58
Battery WH	—	2,250
Cabinets	74	—
Canonical Name	—	Unitree B2
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
Cores	9,066,176	—
CPU	AMD 3rd Gen EPYC 64C 2GHz	—
Deployment Status	—	commercial
Depth Cameras	—	2
Form factor	—	quadruped
Installation Year	2,021	—
Interconnect	HPE Slingshot-11	—
IP Rating	—	IP67
Lidars	—	1
Loaded Weight KG	—	20
Location	DOE/SC/Oak Ridge National Laboratory	—
Manufacturer	HPE	—
MAX Slope Degrees	—	45
MAX Speed M S	—	6
MAX Stair Height CM	—	40
Model	HPE Cray EX235a	—
MSRP (USD)↓ better	—	100,000
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
Power KW	24,607	—
Prone Height MM	—	330
Prone Length MM	—	880
Prone Width MM	—	460
Range Loaded KM	—	15
Range Unloaded KM	—	20
Rmax Pflops	1,353	—
Rpeak Pflops	2,055.72	—
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
Top500 Rank Jun2026	3	—
Top500 Rank Nov2025	2	—
Vendor	—	Unitree Robotics
Weight KG	—	60