RankedEngineAI T800 vs UBTECH Walker S2
Key facts
EngineAI T800 (EngineAI; status not disclosed) and UBTECH Walker S2 (UBTECH Robotics; Shipping) are both humanoid robots. Published figures: height 1.73 m (5 ft 8 in) vs 1.76 m (5 ft 9 in) (reported); weight 75–85 kg (165–187 lb) vs 70 kg (154 lb) (reported); degrees of freedom 25 vs 52 (reported); hand DOF 0 vs 11 (reported); walking speed 3 m/s (10.8 km/h · 6.7 mph) vs 2 m/s (7.2 km/h · 4.5 mph) (reported). Published for only one of them: payload (UBTECH Walker S2: 15 kg (33 lb)); runtime (EngineAI T800: 3 h–5 h). Price: EngineAI T800 ¥180,000, China (official launch announcement) (official price); UBTECH Walker S2 €242,000, EU (RobotShop, retailer) (reported price). RankedRobot rank among humanoid robots: EngineAI T800 =1 of 29 humanoid robots (tied) (score 54.9, grade B), UBTECH Walker S2 =11 of 29 humanoid robots (tied) (score 49.4, grade C). Disclosure: EngineAI T800 has 32 sourced values (71% of tracked fields), UBTECH Walker S2 has 17 (59%).
Cite: RankedRobot, https://rankedrobot.com/compare/engineai-t800-vs-ubtech-walker-s2/ (checked 2026-10-20) · Every figure below links to its source · EngineAI T800 spec sheet · UBTECH Walker S2 spec sheet
| Spec | EngineAI T800 | UBTECH Walker S2 |
|---|---|---|
| Status | Not disclosed | Shipping |
| Price | ¥180,000, China (official launch announcement) (official price) source | €242,000, EU (RobotShop, retailer) (reported price) source |
| Rank in category | =1 of 29 humanoid robots (tied) · 54.9 · grade B | =11 of 29 humanoid robots (tied) · 49.4 · grade C |
| Launch | ||
| Announced | ||
| Status | ||
| Units deployed | ||
| Body | ||
| Height | ||
| Weight | ||
| Form factor | ||
| IP rating | Not tracked | |
| Mobility | ||
| Max walking speed | 3 m/s (10.8 km/h · 6.7 mph)ManufacturerSource: en.engineai.com.cn (2026-09-23)Conditions: hardware-supported maximum; task/gait not specified by manufacturer | 2 m/s (7.2 km/h · 4.5 mph)ReportedSource: 21jingji.com (2026-10-01)Conditions: walking; sustained vs peak not stated |
| Dexterity | ||
| Total degrees of freedom | ||
| DOF per hand | ||
| Payload | ||
| Carry payload | 15 kg (33 lb)ManufacturerSource: ubtrobot.com (2026-10-12)Conditions: within a 0-1.8 m vertical workspace, per official product page | |
| Per-arm payload | 7.5 kg (17 lb)ReportedSource: funduinoshop.com (2026-10-09)Conditions: single-hand grasp; pose not stated | |
| Compute & AI | ||
| Processor | T800 Basic:AI Processor: Orin NX 16G; Robot PC: Intel Module (optional RK3588)ManufacturerSource: en.engineai.com.cn (2026-09-23) T800 Open Source:AI Processor: AGX Orin 64G; Robot PC: Intel Module (optional RK3588)ManufacturerSource: en.engineai.com.cn (2026-09-23) T800 Pro:AI Processor: AGX Orin 64G; Robot PC: Intel Module (optional RK3588)ManufacturerSource: en.engineai.com.cn (2026-09-23) T800 Max:AI Processor: AGX Orin 64G; Robot PC: Intel Module (optional RK3588)ManufacturerSource: en.engineai.com.cn (2026-09-23) | |
| AI performance | ||
| Teleoperation | ||
| Sensors | ||
| Cameras | T800 Open Source:Proprietary vision system: stereoscopic vision + LiDARManufacturerSource: en.engineai.com.cn (2026-09-23) T800 Pro:Proprietary vision system (stereoscopic vision + LiDAR)ManufacturerSource: en.engineai.com.cn (2026-09-23) T800 Max:Proprietary vision system (stereoscopic vision + LiDAR)ManufacturerSource: en.engineai.com.cn (2026-09-23) | Self-developed passive binocular (dual-camera) stereo RGB vision system with deep-learning stereo depth estimationManufacturerSource: ubtrobot.com (2026-09-23) |
| LiDAR | LiDAR included as part of the proprietary vision system (Open Source/Pro/Max editions)ManufacturerSource: en.engineai.com.cn (2026-09-23) | Not tracked |
| Microphones | Microphone and loudspeaker equipped (count not stated)ManufacturerSource: en.engineai.com.cn (2026-09-23) | |
| Power | ||
| Battery | ||
| Runtime | 3 h–5 hManufacturerSource: en.engineai.com.cn (2026-09-29)Conditions: task not stated by manufacturer | |
| Charge time | ||
| Hot-swappable battery | ||
| Software | ||
| SDK | Secondary development supported on Open Source, Pro and Max editions (not on Basic)ManufacturerSource: en.engineai.com.cn (2026-09-23) | |
| Safety | ||
| Certifications | ||
| Commercial | ||
| Regions sold | ||
Confidence labels: Manufacturer = stated by the maker · Verified = independently confirmed · Reported = credible media or retailer, not confirmed by the maker · ⚠ Unconfirmed = leak or single source · Estimate = our calculation from official figures, method shown · Not disclosed = not published. We never guess missing figures. Add more robots to this comparison.
Quick answers
What is the difference between the EngineAI T800 and the UBTECH Walker S2?
Published figures: height 1.73 m (5 ft 8 in) vs 1.76 m (5 ft 9 in) (reported); weight 75–85 kg (165–187 lb) vs 70 kg (154 lb) (reported); degrees of freedom 25 vs 52 (reported); hand DOF 0 vs 11 (reported); walking speed 3 m/s (10.8 km/h · 6.7 mph) vs 2 m/s (7.2 km/h · 4.5 mph) (reported). Published for only one of them: payload (UBTECH Walker S2: 15 kg (33 lb)); runtime (EngineAI T800: 3 h–5 h).
Which is cheaper, the EngineAI T800 or the UBTECH Walker S2?
Price: EngineAI T800 ¥180,000, China (official launch announcement) (official price); UBTECH Walker S2 €242,000, EU (RobotShop, retailer) (reported price). Prices are shown exactly as published, never converted or estimated.
Which ranks higher, the EngineAI T800 or the UBTECH Walker S2?
RankedRobot rank among humanoid robots: EngineAI T800 =1 of 29 humanoid robots (tied) (score 54.9, grade B), UBTECH Walker S2 =11 of 29 humanoid robots (tied) (score 49.4, grade C). Method: https://robot500.com/methodology/
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