LG
LG UltraGear 27GX790A-B
$999.99
Released 2024-09
Best Computer Monitors · head-to-head
A sourced, side-by-side comparison. BenQ PD2706UA is cheaper at $499. Every spec and price links to its source.
LG
$999.99
Released 2024-09
BenQ
$499Cheaper
Released 2023-04
The LG UltraGear 27GX790A-B wins 2 of the 2 specs we compare head to head; the other wins 0. The BenQ PD2706UA is the cheaper at $499. Get the LG UltraGear 27GX790A-B for the stronger spec sheet, the BenQ PD2706UA to spend less.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $999.99 | $499 |
| Brand | LG | BenQ |
| Released | 2024-09 | 2023-04 |
| Size (in) | 27 | 27 |
| Resolution | 2560x1440 | 3840x2160 |
| Panel type | OLED | IPS |
| Refresh (Hz) | 480 | 60 |
| Response ms | 0.03 | 5 |
| HDR | VESA DisplayHDR True Black 400 | VESA DisplayHDR 400 |
| Ports | 1x DP 2.1, 2x HDMI 2.1, 1x USB-B 3.0 (upstream), 2x USB-A 3.0 | 1x DP 1.4, 2x HDMI 2.0, 1x USB-C (90W PD, DP Alt), 3x USB-A 3.2 |
| Adaptive sync | NVIDIA G-Sync Compatible, AMD FreeSync Premium Pro | None |
| Release | 2024-09 | 2023-04 |
Sources — LG UltraGear 27GX790A-B: newegg.com (verified 2026-06-15). BenQ PD2706UA: benq.com (verified 2026-06-15).
Where the two actually differ on the specs we track (7 of 8). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Only one whitelisted tester review (PCWorld, tested 2025-02-21) returned verifiable verbatim text and lab measurements for this exact model (27GX790A-B). All three quoted sentences and all four measured values (with units) were re-confirmed verbatim on the page. Candidate reviews from RTINGS, Tom's Hardware and Tom's Guide were excluded because their page bodies returned only navigation/no copyable text. PCWorld praises near-still-image motion clarity at 480Hz and per-pixel zero-nit contrast, but flags a distracting dirty-screen effect and pixelation around small fonts. (1 sourced review, 1 lab-tested.)
Praised: Motion clarity nearly as crisp as a still image at 480Hz; Exceptional contrast from per-pixel zero-nit black levels; Accurate out-of-box color (6400K vs 6500K target, gamma 2.2).
Flagged: Distracting dirty-screen effect (DSE) during use; Pixelation visible around small fonts and interface buttons; Modest SDR brightness (~250 nits sustained).
Two whitelisted testers bench-tested this exact BenQ PD2706UA: Tom's Hardware (7 June 2023) and TechRadar (7 July 2023). Both rate it a near-flawless professional 27-inch 4K display with strong value, praising the included ergonomic C-Clamp arm and the Hotkey Puck. TechRadar measured an average Delta E of 1.12 with 96% P3 / 100% sRGB / 89% Adobe RGB coverage; Tom's Hardware confirmed over 95% DCI-P3 coverage out of the box. Both flag 60Hz-only refresh with no Adaptive-Sync; TechRadar also flags weak built-in speakers. Non-whitelist blogs excluded. (2 sourced reviews, 2 lab-tested.)
Praised: Excellent out-of-box color accuracy and wide gamut coverage for professional creative work; Strong price-to-performance value for a professional-grade display; Premium ergonomic included monitor arm / C-Clamp stand with tidy cable management.
Flagged: 60Hz refresh with no Adaptive-Sync — not suited to fast gaming; Thin-sounding, unimpressive built-in speakers; Backlight/field dimming to boost contrast works only in HDR, not SDR.