Chamberlain
Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive
$249.99Cheaper
Released 2023
Best Garage Door Openers · head-to-head
Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive vs Genie StealthDrive Connect 7155-TKV Belt Drive
A sourced, side-by-side comparison. Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive is cheaper at $249.99. Every spec and price links to its source.
Genie
Genie StealthDrive Connect 7155-TKV Belt Drive
$279
Released 2019
Which is better: the Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive or Genie StealthDrive Connect 7155-TKV Belt Drive?
On the specs we track, they're closely matched. The Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive is the cheaper at $249.99.
See Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive on Amazon See Genie StealthDrive Connect 7155-TKV Belt Drive on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive | Genie StealthDrive Connect 7155-TKV Belt Drive |
|---|---|---|
| US price | $249.99 | $279 |
| Brand | Chamberlain | Genie |
| Released | 2023 | 2019 |
| Motor hp | 3/4 | 1-1/4 HPc |
| Drive type | belt | belt |
| Motor type | DC | DC |
| Wi-Fi smart | Yes | Yes |
| Smart platform | myQ | Aladdin Connect |
| Battery backup | No | Yes |
| Camera | No | No |
| LED lumens | — | — |
| Max door height (ft) | 7 | 7 |
| Release | 2023 | 2019 |
Sources — Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive: chamberlain.com (verified 2026-06-24). Genie StealthDrive Connect 7155-TKV Belt Drive: geniecompany.com (verified 2026-06-24).
What's the difference between the Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive and Genie StealthDrive Connect 7155-TKV Belt Drive?
Where the two actually differ on the specs we track (3 of 9). Matching specs are omitted.
- Motor hp: Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive 3/4 vs Genie StealthDrive Connect 7155-TKV Belt Drive 1-1/4 HPc
- Smart platform: Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive myQ vs Genie StealthDrive Connect 7155-TKV Belt Drive Aladdin Connect
- Battery backup: Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive false vs Genie StealthDrive Connect 7155-TKV Belt Drive true
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Chamberlain B4505T Ultra-Quiet Wi-Fi Belt Drive
No sourced tester review yet.
Genie StealthDrive Connect 7155-TKV Belt Drive
Only one whitelisted outlet covers this exact model: SafeWise names the Genie 7155-TKV its "best for smart homes" pick, praising free Alexa/Google/SmartThings integration, a quiet steel-reinforced StealthDrive belt, keypad and battery backup, while flagging its high price and one-year warranty. It is a research roundup, not a hands-on lab test; no outlet measured it. (1 sourced review.)
Praised: Free smart-home integration (Alexa, Google Assistant, SmartThings, Walmart InHome) with no subscription; Quiet steel-reinforced StealthDrive belt drive, with wireless keypad and battery backup included.
Flagged: More expensive than most competing openers on the list; Only a one-year limited warranty, no lifetime guarantee.