LG
LG S90TY
$1099
87
/ 100
From $1,099
VS
Samsung HW-Q990D wins by 6
Samsung
Samsung HW-Q990D
11.1.4 · Wireless sub + rears · Q-Symphony
93
/ 100
From $1,799
Specdex verdict
Samsung HW-Q990D takes it — here’s why.
In our weighted Specdex score, LG S90TY lands at 87 and Samsung HW-Q990D at 93. That puts Samsung HW-Q990D ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.
Pick LG S90TY if…
- ✓Dolby Atmos on most
- ✓One-box simplicity
- ✓eARC passthrough
Pick Samsung HW-Q990D if…
- ✓11.1.4 with sub + rears included
- ✓DTS:X and Atmos
- ✓Best matched with Samsung TVs
Score breakdown
LG S90TY
87 sound 87
features 85
design 84
ease 86
Samsung HW-Q990D
93 sound 95
features 94
design 82
ease 80
Specs side-by-side
Spec
LG S90TY
Samsung HW-Q990D
Channels
—
11.1.4
Connectivity
—
HDMI 2.1 eARC, Wi-Fi, BT
Extras
—
Wireless sub + rears included
LG S90TY
Pros
- +Dolby Atmos on most
- +One-box simplicity
- +eARC passthrough
Cons
- −Rear surrounds sold separately on some
- −App quality varies
- −Cabinet depth needs space
Samsung HW-Q990D
Pros
- +11.1.4 with sub + rears included
- +DTS:X and Atmos
- +Best matched with Samsung TVs
Cons
- −Bulky rear speakers
- −EQ can be bright
- −Complex setup
FAQ: LG S90TY vs Samsung HW-Q990D
Which is better, LG S90TY or Samsung HW-Q990D? +
Samsung HW-Q990D scores 93 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.
Is LG S90TY worth the price? +
At $1,099, LG S90TY delivers a Specdex score of 87 — strongest in sound.
Is Samsung HW-Q990D worth the price? +
At $1,799, Samsung HW-Q990D delivers a Specdex score of 93 — strongest in sound.
Does LG S90TY or Samsung HW-Q990D last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.