Compare Haverworks Theseus vs Sirius Ursa Major V2 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Haverworks Theseus and Sirius Ursa Major V2 and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
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Main differences	Released in 2026 Offers a USB passthrough port Uses a Gasket Mount mounting style Supports Wired, Wired only connectivity Weighs about 2923 g Made with a Aluminum, Polycarbonate case Offers Yes, Rgb RGB lighting	Released in 2025 Compatible with both Mac and Windows Features N-key rollover Includes screw-in stabilizers Supports Bluetooth, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 2400 mAh battery Weighs about 1400 g Sized at 14 x 36 x 4 mm Made with a Aluminum case Offers No RGB lighting
Score	Scores Performance: 81 Build Quality: 86.6 Productivity: 91.4 Customizability: 95.4 Portability: 80.6	Scores Performance: 68.5 Build Quality: 82.6 Productivity: 97.5 Customizability: 92.9 Portability: 89.9
Name	Name Haverworks Theseus	Name Sirius Ursa Major V2
Release year	Release year 2026	Release year 2025
Switch Options	Switch Options -	Switch Options -
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size Other	Layout Size Other
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Split	Layout Ergonomics Split
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Wired, Wired only	Connection Bluetooth, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	Battery capacity 2400 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, Polycarbonate	Case Material Aluminum
Keycaps Material	Keycaps Material -	Keycaps Material -
Dimensions	Dimensions -	Dimensions 14 x 36 x 4 mm
Weight	Weight 2923g	Weight 1400g