AOC is expanding its high-refresh gaming lineup with another 27-inch QHD option — and this one’s all about speed. The new Q27G4SP joins the Q27G4SMN, giving players two different display technologies to pick from without changing much else on the outside.
Both models look nearly identical, share the same stand, and even offer the same ports. But what’s underneath the glass sets them apart. The Q27G4SMN uses a mini-LED-backlit Fast VA panel with 1,152 dimming zones and serious contrast. The Q27G4SP, meanwhile, switches to Fast IPS and cranks the refresh rate up to 320 Hz — a slight but meaningful bump over the SMN’s 300 Hz.
That move to IPS comes with the usual pros and cons. You lose the deep blacks and eye-popping HDR of the mini-LED model — brightness is rated at 450 nits HDR and 350 nits SDR, and there’s no local dimming here. Color coverage lands at 95% DCI-P3, a touch behind the SMN’s 97%, though AOC says it should arrive well-calibrated with a ΔE under 2. On the upside, you get the wider viewing angles IPS is known for and a 1 ms GtG response time tailored for competitive play.
As for usability, nothing changes: tilt, swivel, 130 mm height adjustment, and pivot all come standard, and the stand can be swapped for a VESA mount. Connectivity includes two HDMI 2.1 ports, one DisplayPort 1.4, and audio out — same as its sibling.
In short, the Q27G4SP is aimed squarely at gamers or anyone who wants motion clarity and a wider viewing angle above all else, while the Q27G4SMN remains the more “cinematic” alternative for those who care just as much about HDR performance.
Pricing and release timing are still a mystery, but once AOC fills in those blanks, players will have a clearer idea which 27-inch, 1440p G4-series monitor suits their style better.
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(Source: AOC)
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