# What is the best 4K gaming monitor for high-resolution gaming? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the best 4K gaming monitor for high-resolution gaming?

## Products

### LG UltraGear 27in Dual Mode 4K UHD 180Hz and FHD 360Hz Gaming Monitor
```yaml
product: lg-ultragear-27in-dual-mode-4k-uhd-180hz-and-fhd-360hz-gaming-monitor
brand: LG
price_gbp: 404.3
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: 2 x HDMI 2.1 / 1 x DisplayPort 1.4 / 1 x USB 3.0 Upstream / 2 x USB 3.0 Type-A Downstream / headphone jack
resolution: 3840 x 2160 / 1920 x 1080
hdr_support: VESA DisplayHDR 400 / HDR10
aspect_ratio: 16:9
refresh_rate: 180Hz / 360Hz
response_time: 1ms
g_sync_freesync: NVIDIA G-SYNC Compatible / AMD FreeSync Premium
```

- **Price:** £404.3 [^1]
- **Summary:** The LG UltraGear 27G810A-B is an IPS gaming monitor that switches between sharp 4K at 180Hz and Full HD at 360Hz. It suits gamers who want detailed visuals for story-driven games and exceptionally high refresh rates for competitive esports titles.
- **Ideal For:** It is a strong choice for high-resolution gaming because its 3840 x 2160 4K resolution, 180Hz refresh rate, IPS panel, DisplayHDR 400 support and 1ms response time deliver detailed and responsive gameplay.
- **Additional Sources:** [^2]

### Samsung 27in Odyssey QD-OLED G8
```yaml
product: samsung-27in-odyssey-qd-oled-g8
brand: Samsung
price_gbp: 611.61
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: 2 x HDMI 2.1, 1 x DisplayPort 1.4, 2 x USB 3.2 Gen 1, 1 x USB Type B upstream
resolution: 3840 x 2160
hdr_support: VESA DisplayHDR True Black 400
aspect_ratio: 16:9
refresh_rate: 240Hz
response_time: 0.03ms GTG
g_sync_freesync: AMD FreeSync Premium Pro
```

- **Price:** £611.61 [^3]
- **Summary:** The Samsung 27in Odyssey QD-OLED G8 combines 4K resolution with a 240Hz refresh rate and an extremely fast 0.03ms response time. Its QD-OLED panel, DisplayHDR True Black 400 support, glare-free coating, and FreeSync Premium Pro make it well suited to competitive gamers and users who want highly detailed, vibrant visuals.
- **Ideal For:** It suits high-resolution gaming with its 3840 x 2160 4K resolution, QD-OLED panel, 240Hz refresh rate, 0.03ms response time, HDR True Black 400 support, and FreeSync Premium Pro.
- **Additional Sources:** [^4]

### Samsung Odyssey Neo G8
```yaml
product: samsung-odyssey-neo-g8
brand: Samsung
price_gbp: 13452.55
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: HDMI, DisplayPort, USB, Audio
resolution: 3840 x 2160
hdr_support: Quantum HDR 2000, HDR10+
aspect_ratio: 16:9
refresh_rate: 240Hz
response_time: 1ms GTG
g_sync_freesync: NVIDIA G-Sync Compatible, AMD FreeSync Premium Pro
```

- **Price:** £13452.55 [^5]
- **Summary:** The Samsung Odyssey Neo G8 is a 32in curved 4K gaming monitor with a 240Hz refresh rate, 1ms response time, Quantum Mini LED technology, and Quantum HDR 2000. It suits high-end PC gamers with powerful graphics cards who want sharp image quality, fast motion, and strong HDR contrast.
- **Ideal For:** It is well suited to high-resolution gaming because its 3840 x 2160 resolution, 240Hz refresh rate, 1ms response time, Quantum Mini LED backlight, and Quantum HDR 2000 provide detailed, responsive, and high-contrast gameplay.

### ASUS ROG Swift OLED PG32UCDM Gen3
```yaml
product: asus-rog-swift-oled-pg32ucdm-gen3
brand: ASUS
price_gbp: 954.91
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ports: DisplayPort 2.1a, 2 x HDMI 2.1, USB-C with 90W Power Delivery, USB hub, 3.5mm headphone jack
resolution: 3840 x 2160
hdr_support: DisplayHDR True Black 500, HDR10, Dolby Vision
aspect_ratio: 16:9
refresh_rate: 240 Hz
response_time: 0.03 ms
g_sync_freesync: G-SYNC Compatible and FreeSync Premium Pro
```

- **Price:** £954.91 [^6]
- **Summary:** This 31.5in 4K Tandem QD-OLED monitor combines a 240 Hz refresh rate with a 0.03 ms response time for exceptionally smooth, detailed gaming. HDR10, Dolby Vision, DisplayHDR True Black 500, wide DCI-P3 coverage, and USB-C connectivity make it well suited to high-end gaming, streaming, and content creation.
- **Ideal For:** It suits high-resolution gaming especially well because its 3840 x 2160 resolution, 240 Hz refresh rate, 0.03 ms response time, Tandem QD-OLED panel, and G-SYNC Compatible and FreeSync Premium Pro support deliver sharp, fast, tear-free visuals.
- **Additional Sources:** [^7]

---
## References & Sources
[^1]: Best Buy, accessed 2026-08-28. https://www.bestbuy.com/product/lg-ultragear-27-ips-dual-mode-4k-uhd-180hz-fhd-360hz-1ms-nvidia-g-sync-amd-freesync-gaming-monitor-hdmi-dp-usb-c-black/JJ8VPZKP8S
[^2]: Newegg, accessed 2026-08-28. https://www.newegg.com/lg-27g810a-b-27-0-ips-4k-uhd-180-hz/p/N82E16824026518
[^3]: Samsung, accessed 2026-08-28. https://www.samsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxza/
[^4]: Best Buy, accessed 2026-08-28. https://www.bestbuy.com/product/samsung-27-odyssey-oled-g8-g81sf-4k-uhd-240hz-0-03ms-amd-freesync-premium-pro-glare-free-hdr-400-gaming-monitor-silver/J3ZYG2FHXG
[^5]: Performance Solutions, accessed 2026-08-28. https://www.performancesolutions.com.br/monitor-samsung-odyssey-neo-g8-32-uhd-240hz
[^6]: ASUS Store, accessed 2026-08-28. https://rog.asus.com/us/monitors/27-to-31-5-inches/rog-swift-oled-pg32ucdm-gen3-pg32ucdm3/
[^7]: B&H Photo Video, accessed 2026-08-28. https://www.bhphotovideo.com/c/product/803516051-USE/asus_pg32ucdm3_republic_of_gamers_swift.html/ask-question