Asus Announce World’s First G-sync Pulsar Monitor, the 360Hz PG27AQNR

Announced today at their Gamescom event in Cologne, Germany, is the new ROG Swift PG27AQNR monitor. It’s the world’s first monitor to feature NVIDIA’s new G-sync Pulsar technology which offers the ability to use their advanced strobing blur reduction backlight technology at the same time as variable refresh rates. It’s made possible through the use of the Native G-sync hardware module, and the screen will offer a wide range of gaming features and extras.

Asus ROG Swift PG27AQNR Details

The new screen is 27″ in size and built around an IPS technology LCD panel, a rare thing nowadays with all the OLED monitors being released. It’s got 2560 x 1440 resolution and a 360Hz refresh rate, and is basically an updated model from their PG27AQN which was one of the first to offer 1440 @ 360Hz, and also features NVIDIA ULMB2. That model couldn’t use ULMB at the same time as VRR unfortunately, but this new screen allows that through the updated G-sync Pulsar technology. More on how that works below. The new screen will also include NVIDIA Reflex Latency Analyzer.

A new G-sync module

The screen will have 1x DisplayPort 1.4 with DSC, and 2x HDMI 2.1 ports according to the press release, which means this model must be using a new G-sync module! We spoke to an NVIDIA rep at the event who confirmed there was a new module, created with MediaTek. We have asked for further information on specs and details so we will report back when we hear more.

G-sync Pulsar Details

Strobing the backlight at a frequency that is not fixed causes serious flicker—which, until now, had prevented effective use of the technique in VRR displays. For over a decade, NVIDIA engineers have apparently pursued the challenge of marrying the fluidity of VRR timing with the precise timing needed for effective advanced strobing. The solution was a novel algorithm that dynamically adjusts strobing patterns to varying render rates. NVIDIA’s new G-SYNC Pulsar technology marks a significant breakthrough by synergizing two pivotal elements: Adaptive Overdrive and Pulse Modulation.

With Adaptive Overdrive, G-SYNC Pulsar dynamically adjusts the rate at which pixels transition from one colour to another, a vital technique to reduce motion blur and ghosting. This process is complicated by VRR technology, where the refresh rate fluctuates in tandem with the GPU’s output. G-SYNC Pulsar’s solution modulates overdrive based on both screen location and refresh rate—ensuring that clarity and blur reduction are maintained across a spectrum of speeds, and across the entire screen space.

Furthermore, G-SYNC Pulsar simplifies the user experience by eliminating the need to switch between different monitor settings for either VRR or strobing technologies. Whether it’s for the high-stakes environment of competitive gaming, or the rich, detailed worlds of immersive titles, G-SYNC Pulsar delivers a superior and convenient visual experience tailored to all facets of gaming.

An NVIDIA rep at the event explained to us that Pulsar strobing would remain active in VRR situations down to 90 fps normally, but that this will likely be user-adjustable so that you can choose your lower strobing limit in those situations, depending on your sensitivity towards flickering.

Motion Blur Reduction Benefits

In the video below, a 1000 FPS high-speed pursuit camera recorded Counter-Strike 2 running identically on a 360Hz G-SYNC monitor with Pulsar technology enabled, versus with Pulsar technology disabled. Played back at 1/24 speed, the reduction of monitor-based motion blur on the G-SYNC Pulsar display is immediately evident, greatly improving clarity, fidelity, target tracking and target acquisition, helping improve hit rate, and more, making users more competitive online.

Reducing Flicker

Complementing this, the technology also intelligently controls the pulse’s brightness and duration—key to maintaining visual comfort and eliminating flicker. Flickering, often a byproduct of strobing methods used to diminish motion blur, can disrupt the gaming experience and cause viewer discomfort. By adaptively tuning backlight pulses in response to the constantly changing game render rate, G-SYNC Pulsar creates a consistent and comfortable viewing experience, effectively accommodating the display’s dynamic nature.

Merging these two adaptive strategies, G-SYNC Pulsar transcends previous challenges associated with enhancing VRR with strobing backlight techniques. Prior attempts have often stumbled, leading to flickering and diminished motion clarity. However, G-SYNC Pulsar’s innovation ensures perfect synchronization between overdrive and backlight pulse with the screen’s refresh cycle.

This represents a leap beyond incremental updates or a combination of existing technologies: it is a radical rethinking of display technology—necessitating the development of new panel technology, and representing a fundamental reengineering at both hardware and software levels.

The resulting gaming experience is transformative, where each frame is delivered with both stutter-free smoothness, and motion clarity that is effectively the quadruple of its baseline refresh rate—enabling a truly immersive and uninterrupted visual journey for gamers. Even in the most intense and fast-paced games.

Availability and pricing

The screen is due to be released in Q4 2024. It was in prototype stage at the moment, it didn’t even have an OSD button. No word on pricing yet, but more info when we get it.

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