● HIGHLY RATED
Site Score
4.4 / 5.0
Buyer Guidance: An outstanding 4K 240Hz QD-OLED monitor that prioritizes long-term panel longevity and full-field brightness over pushing peak highlights to extreme limits.
Mizex Audit Breakdown
Engineering & Core Performance (30%)
4.6 / 5.0
Build Quality & Physical Design (20%)
4.3 / 5.0
Thermal, Power & Acoustics (20%)
4.1 / 5.0
Reliability & Stability (20%)
4.6 / 5.0
Buyer Value (10%)
4.4 / 5.0
Score Rationale
The composite score of 4.4 is grounded in advanced Engineering & Architecture (4.6) driven by Samsung Display's 5-layer Penta Tandem emissive stack running at 4K 240Hz. Build quality (4.3) is elevated by the Advanced ObsidianShield optical coating and robust panel integration. Thermal management (4.1) leverages a conservative 1,000-nit ceiling to balance thermal dissipation against panel degradation, with internal heatsink analysis pending retail teardown. Real-world reliability (4.6) benefits immensely from multi-layer tandem load sharing to counter burn-in, while buyer value (4.4) reflects a high-performance feature set delivering sustained 300-nit SDR full-field output.
ⓘ Multi-Dimensional Index evaluated across 5 core engineering pillars. Refresh requests open every 60 days.
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Technical Specifications
| Screen Size | 31.5-inch |
| Resolution | 3840x2160 |
| Refresh Rate | 240Hz |
| Panel Type | QD-OLED |
| Panel Technology | Samsung Display Penta Tandem EL 3.0 (5-layer stacked emissive structure) |
| Adaptive Sync | AMD FreeSync Compatible |
| Peak Brightness | 1000 cd/m² (3% APL) |
| Sdr Fullscreen Brightness | 300 cd/m² |
| Hdr Certification | VESA DisplayHDR True Black 500 |
| Panel Surface | Advanced ObsidianShield film |
✔ Pros
- Penta Tandem 5-layer emissive architecture improves luminous efficiency and mitigates burn-in risk
- Sustains high full-screen SDR brightness of approximately 300 cd/m²
- Fluid 240Hz refresh rate combined with native 3840x2160 ultra-high definition
- Advanced ObsidianShield optical film effectively reduces ambient light reflections
✖ Cons
- Peak HDR brightness capped at 1,000 cd/m² at 3% APL, trailing higher-tuned tandem implementations