Compare · head to head

RobotEra L7 vs UBTECH Walker S2

Data confidence: medium / medium · reviewed by Andrei Sheshenin · how we score

RobotEra L7 ranks higher overall (58 vs 55, a 3-point gap). RobotEra L7 is ahead in locomotion, hands; UBTECH Walker S2 is ahead in deployment; they score the same in manipulation, autonomy. UBTECH Walker S2 is cheaper: about $84,507 vs $110,000.

58score

RobotEra L7

RobotEra · China · Walks on legs

Height171 cm

Weight65 kg

Joints55

Lifts20 kg

Speed14 km/h

Battery?

Price$100k-$120k reported

On sale

55score

UBTECH Walker S2

UBTECH · China · Walks on legs

Height176 cm

Weight70 kg

Joints52

Lifts15 kg

Speed7.2 km/h

Battery2 h

Price$85k-$99k reported

On sale

RobotEra L7		UBTECH Walker S2
Body
171 cm	Height	176 cm
65 kg	Weight	70 kg
Legs	Moves on	Legs
55	Joints (degrees of freedom)	52
Self-developed joints, up to 400 Nm peak torque	Actuators	Self-developed joints; waist +90/-35 deg pitch, +/-162 deg rotation
Movement
14 km/h	Top speed	7.2 km/h
Hands and lifting
12	Joints per hand	11
5	Fingers	5
20 kg	Carries (both arms)	15 kg
Battery
?	Runtime per charge	2 h
Not disclosed	Charging	Autonomous hot battery swapping, 24/7 operation
Brain and senses
ERA-42 VLA	AI model	BrainNet 2.0 with Co-Agent
80 TOPS (x86) + 275 TOPS (Orin)	Onboard computer	Not disclosed
Binocular camera, 3D LiDAR, mic array + speaker	Sensors	Binocular stereo vision
Buying it
$100k-$120k reported	Price	$85k-$99k reported
No official price. 100,000 USD reseller listing (aifitlab, backorder); 120,000 USD on humanoid.guide. One spec sheet lists 60V 15Ah hot-swap battery and ~6 h runtime (unverified).	Price details	Media report 600,000-700,000 RMB per unit. RobotShop special order 246,600 USD. 2025 revenue/units implies ~761,000 RMB average. Runtime ~2 h walking per one source.
Commercial, open for industry sales since 07.2025	Availability	Mass production and delivery since 11.2025
On sale	Status	On sale
Not disclosed	Units shipped	~1079 Walker S series (2025)
Large tech companies (unnamed)	Customers	BYD, Geely, FAW-VW, Dongfeng, Foxconn, Airbus, data collection centers (Jiujiang, Guangxi)
Logistics sorting, industrial handling, research	Used for	Automotive and electronics factory logistics, sorting, quality inspection, training data collection
What it has shown (our assessment)
Runs, recovers from pushes, gets up	Locomotion	Handles stairs and uneven ground
Two-handed work in real settings	Manipulation	Two-handed work in real settings
12+ joint hand with touch sensing	Hands	Hand with 6-11 joints
Learned AI policies in demos	Autonomy	Learned AI policies in demos
Paid pilots with customers	Deployment	100+ robots at customers

Watch them

RobotEra L7: Robotera L7 Humanoid Robot Performs Epic Sword Dance ⚔️ | Future of Robotics — Robotera L7 Humanoid Robot Performs Epic Sword Dance | Future of Robotics · AwesomeTech on YouTube

UBTECH Walker S2: Walker S2 - The World's First Humanoid Robot Capable of Autonomous Battery Swapping — Walker S2 - The World's First Humanoid Robot Capable of Autonomous Battery Swapping · UBTECH Robotics on YouTube

What each has shown

RobotEra L7: dancing, sorting in logistics

UBTECH Walker S2: Autonomous battery replacement in 3 minutes, carrying boxes in automotive factories

FAQ

Which ranks higher, RobotEra L7 or UBTECH Walker S2?

RobotEra L7 ranks higher overall (58 vs 55, a 3-point gap).

Can you buy RobotEra L7 or UBTECH Walker S2?

RobotEra L7: on sale. UBTECH Walker S2: on sale.

Which costs less, RobotEra L7 or UBTECH Walker S2?

RobotEra L7 about $110,000; UBTECH Walker S2 about $84,507.

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