LG C3 42" (TV/monitor) vs Samsung Odyssey G9
Monitor comparison · LG vs Samsung · 2023 vs 2020
LG C3 42" (TV/monitor) vs Samsung Odyssey G9 — head to head
| Metric | LG C3 42" (TV/monitor) | Samsung Odyssey G9 |
|---|---|---|
| Relative tier | 98/100 | 93/100 |
| TDP / power | 90 W | 150 W |
| Resolution | 3840x2160 | 5120x1440 |
| Refresh rate | 120 Hz | 240 Hz |
Which one should you pick?
LG C3 42" (TV/monitor) leads by ~5 tier points — a modest relative-performance gap. Tier is a TweakGearPro planning estimate, not a benchmark — verify with reviews that match your exact workload, resolution and workload mix before buying.
Specs: vendor datasheets / TechPowerUp database, retrieved 2026-08-29. Tier is a TweakGearPro relative performance index (estimate), not a benchmark guarantee.
Full specifications
LG C3 42" (TV/monitor)
| Brand / series | LG C3 |
|---|---|
| Architecture / class | OLED |
| Launch year | 2023 |
| Size | 42 in |
| Resolution | 3840x2160 |
| Refresh rate | 120 Hz |
| Panel | WOLED |
| Response (GtG) | 0.1 ms |
| HDR | DisplayHDR 400 True Black |
| Brightness | 800 nits |
| Adaptive sync | FreeSync |
| Typical power | ~90 W |
| Relative tier | 98/100 — Enthusiast flagship |
Samsung Odyssey G9
| Brand / series | Samsung Odyssey |
|---|---|
| Architecture / class | VA |
| Launch year | 2020 |
| Size | 49 in |
| Resolution | 5120x1440 |
| Refresh rate | 240 Hz |
| Panel | VA |
| Response (GtG) | 1 ms |
| HDR | DisplayHDR 1000 |
| Brightness | 1000 nits |
| Adaptive sync | G-Sync Compatible |
| Typical power | ~150 W |
| Relative tier | 93/100 — Enthusiast flagship |