LG 27UL550-W 27-inch 4K UHD vs UPERFECT 13.3" 4K OLED Portable Monitor — Head-to-Head (2026)
The specs side by side, with links to both product pages.
LG 27UL550-W 27-inch 4K UHD (3840 x 2160) Ultrafine Computer Monitor, IPS, AMD FreeSync, Tilt/Height/Pivot Adjustable Stand, HDR10, HDMI, DisplayPort, Black Stabilizer, White
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vs
UPERFECT 13.3" 4K OLED Portable Monitor, 109% DCI-P3, 500 Nits Display | 3840×2160 UHD, 1ms Response, Ultra-Slim Aluminum Design, USB-C External Screen for Laptop, Gaming & Travel
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*Price sourced from Amazon.com. Price and availability subject to change.
Spec-by-spec
| Spec | LG 27UL550-W 27-inch 4K UHD (3840 x… | UPERFECT 13.3" 4K OLED Portable… |
| Brand | LG | UPERFECT |
|---|
| Color | Silver | Black |
|---|
| Shape | Flat | Rectangular |
|---|
| Brightness | 400 candela_per_square_meter | 500 cd |
|---|
| Resolution | 4K UHD 2160p | 4K UHD 2160p |
|---|
| Color Gamut | 0.98 | 150 |
|---|
| Pixel Pitch | 0.16 | 0.16 |
|---|
| Screen Size | 27 inches | 13.3 inches |
|---|
| Aspect Ratio | 16:9 | 16:9 |
|---|
| Display Type | LED | OLED |
|---|
| Model Number | 27UL550-W | M133J03 |
|---|
| Refresh Rate | 60 hertz | 60 hertz |
|---|
| Adaptive Sync | FreeSync | FreeSync |
|---|
| Mounting Type | Wall Mount | Desktop Stand |
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