BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED 240Hz 0.03ms HDMI 2.1, DP2.1a(80Gbps) USB-C 90W Gaming Monitor, 99% DCI-P3, DisplayHDR 400, FreeSync Premium Pro, Remote Controller, 3-Year OLED Warranty
$1149.99
🛒 Buy on Amazon — $1149.99
BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen QD-OLED… vs ASUS ROG XG27AQDMG 27 Inch 1440p 240Hz Glossy… — Head-to-Head (2026)
The specs side by side, with links to both product pages.
vs
ASUS ROG XG27AQDMG 27 Inch 1440p 240Hz Glossy OLED Gaming Monitor | Custom Heatsink, Anti-Flicker, Uniform Brightness, 0.03ms, G-SYNC Compatible, 99% DCI-P3, for PS5 and Xbox
$576.19
🛒 Buy on Amazon — $576.19
*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.
Spec-by-spec
| Spec | BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen… | ASUS ROG XG27AQDMG 27 Inch 1440p 240Hz… |
|---|---|---|
| Brand | BenQ | ASUS |
| Color | White | BLACK |
| Model Name | EX321UZ | XG27AQDMG |
| Resolution | 4K UHD 2160p | QHD Wide 1440p |
| Unit Count | 1 Count | 1 Count |
| Screen Size | 32 inches | 26.5 inches |
| Aspect Ratio | 16:9 | 16:9 |
| Display Type | OLED | OLED |
| Model Number | EX321UZ | XG27AQDMG |
| Refresh Rate | 240 hertz | 240 hertz |
| Adaptive Sync | FreeSync Premium Pro | FreeSync Premium, G-Sync Compatible |
| Response Time | 3 milliseconds | 0.03 milliseconds |
| Screen Finish | Matte | Glossy |
| Warranty Type | 3 Years Manufacturer Warranty | 3 years warranty with burn-in coverage |
Keep researching
Already narrowing? Open each product page for the full spec sheet, FAQ, and a link to the current Amazon price: BenQ MOBIUZ EX321UZ 31.5” 4K 4th Gen… · ASUS ROG XG27AQDMG 27 Inch 1440p 240Hz…. Browse the full Gaming Monitors catalog or read our Gaming Monitors buying guide for tier picks. You can also compare up to four products side-by-side, jump to all categories, or check the benchmarks index for hardware-only matchups.
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Best Budget AMD Gaming PC Upgrades in 2026: 5 Parts That Move the Needle
- Windows NT Now Boots on the Nintendo GameCube: What the Homebrew Port Actually Runs
- GLM-5.2 for Local Agents: Can a 12GB RTX 3060 Run Long-Horizon Tasks?
- Patch-to-Exploit in Hours: Why a Local Security LLM Rig Now Makes Sense
- Open WebUI — self-hosted ChatGPT for your local models
- Advanced Raspberry Pi Projects for Adults (2026 Guide)
- Microsoft Signals 32GB RAM as the Windows 11 Gaming Baseline
- Minimal Raspberry Pi 5 Case: Friction-Fit 3D Printing Guide
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5070
- Using a Raspberry Pi 5 with AI to Recover Lost Windows 98 INF Files (2026)
- Transcend CF133 CompactFlash as a Win98 Boot Drive: Speed Tests, Compatibility, and the Adapter That…
- Hidden Code in Claude Code Flagged Chinese Users: What It Means for Local-LLM Privacy
- Intel's Bartlett Lake Core 9 273PQE Loses to a Four-Year-Old CPU
- Ryzen 9800X3D vs 7800X3D: Best CPU for an RTX 5070 Build
- Best Storage and IDE Adapters for Retro PC Builds in 2026
- Building a Budget Local-AI Box: Ryzen 7 5800X + RTX 3060 12GB
- Best USB-C Capture and Streaming Gear for Console + PC Creators (2026)
- Best Streaming Setup Bundle in 2026: 5 Picks From Mic to Stream Deck
- Logitech G502 Hero in 2026: Is the $40 Classic Still the Mouse to Beat?
- Build a Home NAS on a Raspberry Pi 4 8GB in 2026
- 21 GPU's benchmarked running a small TTS model (vram peak: 5GB)
- GPT and Claude Flunked Bridgewater's Finance Test — Why a Local RAG Box Fills the Gap
- Rescue a Dying Vintage IDE Drive by Cloning It to CompactFlash
- Best 4K Gaming Monitor Under $400 in 2026: SANSUI vs KOORUI vs Samsung
- OpenAI and Broadcom Unveil 'Jalapeño' Inference Chip
- Qwen3.6 the Right Way: Run It Through a Pi Coding Agent
- PS5 DualSense vs 8BitDo Pro 2 on Raspberry Pi 4 RetroPie: Which Controller Wins in 2026?
- Best Gaming Monitor for Console + PC Dual Setup in 2026
- Acer Nitro 65 Review: Solid Gaming, Connectivity Caveats
- Perplexity's Local-or-Cloud Router: What Hardware Runs the Local Half
- Intel Arc B60 Stable Diffusion: Setup & Benchmarks 2025
- Build an Always-On Raspberry Pi Zero W Project: 24/7 FM Radio and More
- Best Budget 4K Monitor for an RTX 3060 Build in 2026: SANSUI vs KOORUI vs ASUS TUF
- Build a Raspberry Pi Zero W Retro Emulation Handheld in 2026
- Best Cooler for the Ryzen 7 5800X: Noctua NH-U12S vs ML240L
- DeepSeek Seeks More Cash Weeks After $7B Round
- Fine-Tune Video and Image Models at Scale: NeMo vs Diffusers
- Best Budget Gaming Peripherals Under $100 in 2026
- GameSir G7 SE vs 8BitDo Pro 2 for PC Gaming: Wired Precision vs Wireless Flexibility
- Ryzen AI Developer Platform: AMD's Debian Linux for AI Devs
- Linux Fu: Upcycling an Old Router in 2026
- Turning a Broken Steam Deck Into a 2.5GbE NAS
- Best 4K Monitor for an RTX 3060 12GB: KOORUI vs Samsung Odyssey
- Backing Up Vintage IDE Drives to CompactFlash in 2026
- Building a 2002 LAN Party PC: GeForce 4 Ti + Athlon XP
- Best 1440p Monitor for the RTX 3060 in 2026: Picks That Actually Match
- Best Uses for Old RAM Sticks in 2025
- Linux Beats Windows 11 on the Ryzen 9 9950X3D2, Phoronix Finds
- How to Build a Fully Declarative Homelab Stack
- Anthropic's Samsung Chip Talks: Why Local Inference on an RTX 3060 Still Matters
- Noctua-Style Raspberry Pi 5 NAS Build Goes Viral — What Pi 4 Owners Can Borrow
- Best Internal SSD for Gaming PC Build in 2026
- Raspberry Pi AI Kit 2025: Specs, Uses, and Limits
- Retro Console Mods in Canada: 2026 Legal & Hardware Guide
- IPEX-LLM + Ollama in Docker on Intel Arc: The 2026 Setup Guide
- Raspberry Pi Dual Monitor Setup: Driving Two 4K Displays in 2026
- KOORUI vs Samsung Odyssey: Best 27" 4K Gaming Monitor?
- AMD RX 9070 XT Hits All-Time Low $629 in Amazon Lightning Sale
- RTX 5090 vs RTX 6000: Specs, Gaming, AI Compared
- Arc A770 16GB vs RTX 3060 12GB for Local Llama 3