Sole F80 & Horizon 7.4AT are both Work Horses with almost identical specifications meant for serious runners.

Specifications

Sole F80/Horizon 7.4AT Motor - 3.5HP Extras - Bluetooth Speakers       --      USB Charging Presets- Programs Ten Speed - 0 -12 mph Incline -  0–15% Deck - 22" x 60" Folding - Yes

Heart Rate Monitoring

Both treadmills have Wireless Chest Strap and Sole also has Integrated pulse monitors on the handrails

Not So Similar

Apps - Sole Fitness App/ Horizon 7.4 AT Integrates with most Apps Capacity - 375 lbs/350 lbs Display - 9" LCD /8.25"  Workout - Sole App/ Sprint 8

Sole f80

3-Zone Variable Response Cushioning

Cushion Flex Whisper Deck

Horizon7.4 at

82”L x 57”H x 37" W

76” L x 63” H x 37" W

Warranty

Sole -  Lifetime frame/motor/deck, 5-year electronics, 5-year parts, 2-year labor Horizon - Lifetime frame/motor, 5-year parts, 2-year labor

Sole F80 is 40 pounds lighter and holds 25 lbs more. The F80's reversible deck allows users to switch the deck over when one side wears out.

Additions in Sole F80

Rapid Sync Drive System allows rapid changes in speed & gradient Compatible with Aaptiv, Daily Burn, Peloton, Studio, etc. Audio in/out jack 6" shorter & 6" taller

Additions in Horizon 7.4AT

Both treadmills are the finest available on the market and are quite similar. But when it comes to specs and functionality, Horizon 7.4 AT definitely wins.

Conclusion

Thick Brush Stroke