Samsung Odyssey G8 OLED G80SD vs MSI MAG 321URX QD-OLED
Samsung Odyssey G8 OLED G80SD (#1, best overall) vs MSI MAG 321URX QD-OLED (#3, best value): in our 4K Gaming Monitors scoring the Samsung Odyssey G8 OLED G80SD totals 9.6/10 and the MSI MAG 321URX QD-OLED 9.4/10. At $976 versus $899, the MSI MAG 321URX QD-OLED costs $77 less.
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TopsFive comparison scores
Side by side
| Samsung Odyssey G8 OLED G80SD | MSI MAG 321URX QD-OLED | |
|---|---|---|
| Price | $976 | $899 |
| Resolution | 3840x2160 | 3840x2160 |
| Refresh Rate | 240Hz | 240Hz |
| Panel | QD-OLED | QD-OLED |
| Response Time | 0.03ms GtG | 0.03ms GtG |
| HDR | HDR True Black 400 | HDR True Black 400 |
How they differ in real use
Built from our 4k gaming monitors scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Samsung Odyssey G8 OLED G80SD and the MSI MAG 321URX QD-OLED made our Top 5 4K Gaming Monitors, at #1 (best overall) and #3 (best value). 4K OLED gaming arrives with QD-OLED at 240Hz—the holy grail for gamers wanting both resolution and OLED motion clarity in one package. QD-OLED 4K at a competitive price. Flagship visuals with aggressive pricing and USB-C with 98W power delivery for laptop users.
We score 4k gaming monitors on Image Quality (35%), Speed (25%), Features (20%), Panel Quality (10%) and Value (10%). On that basis the Samsung Odyssey G8 OLED G80SD totals 9.6 out of 10 and the MSI MAG 321URX QD-OLED 9.4. The widest gap is Features, where the Samsung Odyssey G8 OLED G80SD scores 9 against 8 for the MSI MAG 321URX QD-OLED — HDMI 2.1, VRR, HDR. Panel Quality also separates them: 10 for the Samsung Odyssey G8 OLED G80SD versus 9 for the MSI MAG 321URX QD-OLED. The MSI MAG 321URX QD-OLED claws back ground on Value.
Their published specifications are effectively identical on the points we compare (Resolution, Refresh Rate, Panel, Response Time and HDR), so the decision rests on price and the scoring above.
Pricing as of February 1, 2026: $976 for the Samsung Odyssey G8 OLED G80SD and $899 for the MSI MAG 321URX QD-OLED, a $77 difference in the MSI MAG 321URX QD-OLED's favor. Owners praise the Samsung Odyssey G8 OLED G80SD for 4K 240Hz QD-OLED and 0.03ms response; the most common complaint is very expensive. Owners praise the MSI MAG 321URX QD-OLED for 4K 240Hz QD-OLED and excellent colors; the most common complaint is less premium build than ASUS.
Samsung Odyssey G8 OLED G80SD
- 4K 240Hz QD-OLED
- 0.03ms response
- Perfect blacks
- Smart TV features
- Very expensive
- 32" may show OLED burn-in patterns
- Glossy screen
MSI MAG 321URX QD-OLED
- 4K 240Hz QD-OLED
- Excellent colors
- Competitive price for OLED
- 0.03ms response
- Less premium build than ASUS
- OLED risks apply
- 32" only
Which should you buy?
The Samsung Odyssey G8 OLED G80SD is the better fit for no-compromise gamers and 4K OLED seekers — it is the higher-scoring pick here, chiefly for Features and Panel Quality. The MSI MAG 321URX QD-OLED is the better fit for value-seeking OLED buyers and 4K OLED on a relative budget, and the stronger choice if Value matters more to you than the overall score. If the $77 saving matters more than Features, the MSI MAG 321URX QD-OLED is the better value. The Samsung Odyssey G8 OLED G80SD is a poor fit for static content heavy use; the MSI MAG 321URX QD-OLED is a poor fit for premium build seekers.
Choose the Samsung Odyssey G8 OLED G80SD if
- No-compromise gamers
- 4K OLED seekers
- Those with flagship GPUs
Skip it if
- Static content heavy use
- Budget shoppers
Choose the MSI MAG 321URX QD-OLED if
- Value-seeking OLED buyers
- 4K OLED on a relative budget
- USB-C laptop users
Skip it if
- Premium build seekers
- Those avoiding OLED
Common questions
Is the Samsung Odyssey G8 OLED G80SD better than the MSI MAG 321URX QD-OLED?
In our 4K Gaming Monitors ranking the Samsung Odyssey G8 OLED G80SD scores higher overall, 9.6 to 9.4, with the biggest advantage in Features. The MSI MAG 321URX QD-OLED is stronger on Value, so it is the better pick if that matters most to you.
How much more does the Samsung Odyssey G8 OLED G80SD cost than the MSI MAG 321URX QD-OLED?
$77 more as of February 1, 2026: $976 for the Samsung Odyssey G8 OLED G80SD against $899 for the MSI MAG 321URX QD-OLED. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Features — 9 versus 8 in our scoring.
What is the main difference between the Samsung Odyssey G8 OLED G80SD and the MSI MAG 321URX QD-OLED?
Their published specifications are nearly identical on the points we compare. In use, the gap that matters most is Features (9 vs 8 in our scoring): HDMI 2.1, VRR, HDR.