# Which gaming monitor has the lowest response time? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which gaming monitor has the lowest response time?

## Products

### Acer Predator X27U F5
```yaml
product: acer-predator-x27u-f5
brand: Acer
price_gbp: 441.06
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
panel_type: QD-OLED
resolution: 2560 x 1440
hdr_support: VESA DisplayHDR True Black 500
aspect_ratio: 16:9
refresh_rate: 500 Hz
adaptive_sync: AMD FreeSync Premium Pro
response_time: 0.03 ms
```

- **Price:** £441.06 [^1]
- **Summary:** The Acer Predator X27U F5 is a 26.5in QHD gaming monitor with a QD-OLED panel, 500 Hz refresh rate, 0.03 ms GTG response time, and strong HDR contrast. It suits competitive PC gamers who prioritize exceptionally smooth motion and fast response over 4K resolution.
- **Ideal For:** This monitor specifically suits the question because its 0.03 ms GTG response time and 500 Hz refresh rate deliver extremely fast motion response for competitive gaming.

### Acer Predator X27 X
```yaml
product: acer-predator-x27-x
brand: Acer
price_gbp: 532.07
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
panel_type: QD-OLED
resolution: 3840 x 2160
hdr_support: HDR10, VESA DisplayHDR 400 Certified
aspect_ratio: 16:9
refresh_rate: 240Hz
adaptive_sync: AMD FreeSync Premium Pro
response_time: 0.03 ms
```

- **Price:** £532.07 [^2]
- **Summary:** The Acer Predator X27 X is a 4K QD-OLED gaming monitor with a 240Hz refresh rate, 0.03 ms GTG response time, and strong HDR support. It suits competitive gamers and enthusiasts who want sharp image quality, fast motion, and deep OLED contrast.
- **Ideal For:** It suits the question Which gaming monitor has the lowest response time because its QD-OLED panel delivers an exceptionally fast 0.03 ms GTG response time.

### CORSAIR XENEON 27QHD240 CM-9030002-PE
```yaml
product: corsair-xeneon-27qhd240-cm-9030002-pe
brand: CORSAIR
price_gbp: 574.86
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
panel_type: OLED
resolution: 2560 x 1440
hdr_support: HDR with 1000 nit peak brightness
aspect_ratio: 16:9
refresh_rate: 240Hz
adaptive_sync: NVIDIA G-Sync Compatible; AMD FreeSync Certified
response_time: 0.03ms
```

- **Price:** £574.86 [^3]
- **Summary:** The CORSAIR XENEON 27QHD240 is a 27in OLED gaming monitor with QHD resolution, a 240Hz refresh rate, and exceptionally high contrast. It suits competitive gamers and demanding PC users who want fast motion, vivid colors, HDR, and adaptive sync support.
- **Ideal For:** This monitor specifically suits the question 'Which gaming monitor has the lowest response time?' because its OLED panel is rated at just 0.03ms GTG, enabling exceptionally fast pixel transitions for competitive gaming.
- **Additional Sources:** [^4], [^5]

### GAMEON Marksman Series GOMM24FHD200IPS
```yaml
product: gameon-marksman-series-gomm24fhd200ips
brand: GAMEON
price_gbp: 27.93
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
panel_type: Fast IPS
resolution: 1920 x 1080
hdr_support: HDR400 Ready
aspect_ratio: 16:9
refresh_rate: 200 Hz
adaptive_sync: FreeSync and G-Sync Compatible
response_time: 5 ms
```

- **Price:** £27.93 [^6]
- **Summary:** This 24in Full HD gaming monitor combines a Fast IPS panel with a 200 Hz refresh rate, 5 ms GTG response time, HDR400 support, and adaptive sync. It suits competitive PC and console gamers who want smooth, responsive gameplay with vibrant colors at an affordable price.
- **Ideal For:** It is suitable for someone seeking the lowest response time because it offers a 0.5 ms MPRT mode, although its rated GTG response time is 5 ms.

---
## References & Sources
[^1]: Acer Store, accessed 2026-08-28. https://store.acer.com/en-us/26-5-predator-x27u-gaming-monitor-x27u-f5bmiippruzx
[^2]: Best Buy, accessed 2026-08-28. https://www.bestbuy.com/product/acer-predator-x27-x1bmiippruzx-27-gaming-monitor-3840x2160-250nits-240hz-169-0-03ms-black/JJ8V8HL5QS/sku/12634078
[^3]: Microless, accessed 2026-08-28. https://global.microless.com/product/corsair-xeneon-27-oled-qhd-gaming-monitor-240hz-0-03ms-hdr-with-1000nit-peak-brightness-nvidia-g-sync-1-07b-10-bit-rgb-colors-hdmi-2-1-dp1-4-type-c-dp-alt-black-cm-9030002-pe/
[^4]: CORSAIR, accessed 2026-08-28. https://www.corsair.com/eu/en/p/monitors/cm-9030002-pe/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-pe
[^5]: Galaxus, accessed 2026-08-28. https://www.toppreise.ch/price-comparison/Monitors/CORSAIR-Xeneon-27QHD240-CM-9030002-PE-p734287
[^6]: GstoreQ8, accessed 2026-08-28. https://www.gstoreq8.com/gaming/monitors-and-accessories/gaming-monitors/24-fhd-200-0-5-goam24fhd200ips-hdmi-2-1-ips/?sl=en