Infinity Riage 4D vs Osaki Platinum Solis Duo 4D+
Osaki Platinum Solis Duo 4D+ scores highest overall, while Infinity Riage 4D is the most affordable. These products suit different buyers, so weigh the criteria that matter most for your setup rather than the headline score alone.
| 2 products |  Infinity Infinity Riage 4D | |
|---|---|---|
| Price | $8,999 | $11,999 |
| Overall score | 8.3 | 8.7 |
| Track | L-track | Flexible track system (SL-based, reclines to 190°) |
| Rollers | 4D back mechanism (adjustable width, length, intensity, speed) | Dual 4D mechanisms (2 separate mech controllers) |
| Zero gravity | Yes, 2 recline levels | Yes (zero gravity reclining) |
| Heat | Lumbar heat | Lumbar graphene heating (~75–83°F) |
| Auto programs | 10 choreographed auto programs | 18 auto programs + 5 manual styles |
| Max user height (in) | 74" optimal max (range 59"–74") | — |
| Warranty (yr) | 5-yr frame / 3-yr parts / 1-yr in-home labor | 5 years (3 years full service + 2 years parts) |
| Reclined length | 30" W x 59" D upright (69" reclined); Zero Wall Fit | 30" W × 63" L × 48.4" H upright (81" L reclined); 10" wall clearance; 30" min doorway |
Infinity
Infinity Riage 4D
Best for Shoppers who want 4D performance without Japanese-flagship pricing
$8,999
Osaki
Osaki Platinum Solis Duo 4D+
Best for Buyers who want Osaki's most capable mechanism and stretch recline, regardless of price
$11,999
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