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HP HyperX OMEN OLED 27qs vs LG UltraGear OLED GX7 (27GX790B)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

HPHyperX OMEN OLED 27qsLGUltraGear OLED GX7 (27GX790B)
Overview
ReleasedJanuary 2026March 2026
Display
Screen size26.5″26.5″
Resolution2560 × 1440 (QHD)2560 × 1440 (QHD)
Sharpness111 pixels per inch111 pixels per inch
PanelQD-OLEDOLED (4th Gen Primary RGB Tandem OLED; Dual mode: 720p at 720 Hz)
Refresh rate500 Hz540 Hz
Response time (grey to grey)0.03 ms0.02 ms
Brightness (typical)300 nits335 nits
HDR peak brightness–1,500 nits
HDR certificationDisplayHDR True Black 500DisplayHDR True Black 500
Contrast ratio1,500,000:1–
Colour range98% Display P399.5% DCI-P3
DCI-P3 coverage–99.5%
Screen finish–Matte
ShapeFlatFlat
Adaptive syncG-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync–
Colour depthTrue 10 bit1.07B colours
sRGB coverage100%–
Adobe RGB coverage96%–
Colour modesFactory-calibrated HyperX ProLuma presets (Display P3, sRGB, Adobe RGB)–
HDR detail4K downscaling for console HDR–
Viewing angles178° vertical, 178° horizontal178° horizontal, 178° vertical (CR ≥ 10)
Pixel pitch0.2292 x 0.2292 mm0.2292 × 0.2292 mm
Eye careHP Eye Ease with Eyesafe certification; TÜV low blue light (hardware) and flicker-free certifiedReader Mode, Color Weakness mode
Burn-in protectionHyperX OLED CoreProtect; 3-year limited warranty covers burn-in–
CalibrationFactory calibrated; colour calibration report includedFactory calibrated; hardware calibration ready (LG Calibration Studio)
Connections
Video inputs2 × HDMI 2.1, DisplayPort 1.4, USB-C2 × HDMI 2.1, DisplayPort 2.1, USB-C
USB-C chargingUp to 100 WUp to 5 W
USB ports2 × USB-A2 × USB-A
KVM switchYes–
EthernetNoNo
USB-C detailUSB-C 5Gbps input with DisplayPort 1.4 Alt Mode and up to 100 W Power Delivery–
USB hub detail2 x USB-A 5Gbps (charging); USB-B upstream2 × USB 3.0 downstream, upstream via USB-C
Picture by picturePicture-by-Picture and Picture-in-Picture–
Audio out3.5 mm headphone jack4-pole headphone out (sound + mic)
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel, pivot
VESA mountYesYes
Weight with stand7.97 kg6.8 kg
Height adjustment100 mm–
Tilt-5 to +20°–
Swivel±45°–
Pivot+90°–
VESA pattern100 x 100 mm (bracket included)100 × 100 mm
Size with stand61.24 x 22.3 x 51.95 cm (W x D x H)605.2 × 527.6 × 220 mm (raised), 605.2 × 397.6 × 220 mm (lowered)
Size without stand61.24 x 10.45 x 35.58 cm (W x D x H)605.2 × 351.0 × 51.2 mm
Weight without stand5.35 kg4.3 kg
ControlsFull-graphic OSD with input, power, gaming, external lighting and picture preset controls–
ColoursBlack–
Power and support
Power use65 W typical, 250 W maximum; 26 W on mode (SDR), 34 W on mode (HDR), 0.5 W standbyLess than 0.5 W (sleep), less than 0.3 W (DC off)
Energy classG–
Power supplyExternal; 100–240 VAC, 50/60 HzExternal adapter, 100–240 V AC, 50/60 Hz
SoftwareOMEN Gaming HubLG Calibration Studio (True Color Pro), Dual Controller
CertificationsVESA ClearMR 21000, Eyesafe, TÜV low blue light (hardware), TÜV flicker-free–
WarrantyHP three-year limited warranty, including burn-in–
In the boxStand base, DisplayPort cable, HDMI cable, USB-C to USB-C cable, USB-B to USB-A cable, cable holder, headphone hook, colour calibration reportHDMI 2.1 and DisplayPort 2.1 cables

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