45GX990A

Written analysis

45GX990A at a glance

The 45GX990A is a 44.5" OLED monitor at 5120×2160 and 165 Hz. The listed aspect ratio is ultrawide. The panel is curved at 900R.

Best fit: high-refresh gaming and fast-paced entertainment, provided the GPU can feed this resolution.

Panel and image

Overall quality is 93.3, with 80.0 work and 89.4 play. Pixel density is listed at 124 PPI. Peak brightness is listed at 1300 nits. Contrast is listed as 1500000:1. The coating is Anti-glare/Matte. The listed pixel count sits in the high-resolution class used by the work and overall scores.

Color and HDR

Recorded gamut coverage is 98.5% DCI-P3. Color depth is listed as 10-bit native. The work score is a solid everyday office result rather than a specialist color-critical display.

Motion and sync

Refresh is listed at 165 Hz. Response time is listed as 0.03 ms. The play score covers mainstream gaming and media; competitive high-refresh use still depends on the GPU keeping up. Pair this resolution with the GPU table before assuming native high settings.

Ergonomics and connectivity

Stand and mount options are listed as Height · Swivel · Tilt · VESA (100x100mm). Recorded inputs include 1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode), 2 x USB 3.2 (Type-A; downstream), 2 x HDMI 2.1, 1 x DisplayPort 2.1 (UHBR13.5), 1 x 3.5 mm Audio Out (4-pole; DTS Headphone:X).

Buying verdict

Overall quality is 93.3, a flagship result. Buy it when the panel class, color, and motion extras will actually be used.

At the recorded Amazon price, quality / price is 18.3. This is a feature-first purchase; compare nearby screens if several extras would go unused.

Work / price is 15.7 and play / price is 12.3.