MSI MAG 321URX QD-OLED vs LG UltraGear 32GX870A-B
MSI MAG 321URX QD-OLED (#3, best value) vs LG UltraGear 32GX870A-B (#4): in our 4K Gaming Monitors scoring the MSI MAG 321URX QD-OLED totals 9.4/10 and the LG UltraGear 32GX870A-B 9.3/10. At $899 versus $1,396, the MSI MAG 321URX QD-OLED costs $497 less.
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TopsFive comparison scores
Side by side
| MSI MAG 321URX QD-OLED | LG UltraGear 32GX870A-B | |
|---|---|---|
| Price | $899 | $1396 |
| Resolution | 3840x2160 | 3840x2160 / 1920x1080 |
| Refresh Rate | 240Hz | 240Hz / 480Hz |
| Panel | QD-OLED | WOLED |
| Response Time | 0.03ms GtG | 0.03ms GtG |
| HDR | HDR True Black 400 | DisplayHDR 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 MSI MAG 321URX QD-OLED and the LG UltraGear 32GX870A-B made our Top 5 4K Gaming Monitors, at #3 (best value) and #4. QD-OLED 4K at a competitive price. Flagship visuals with aggressive pricing and USB-C with 98W power delivery for laptop users. Dual-mode versatility: 4K/240Hz for immersive games or FHD/480Hz for competitive esports. MLA+ delivers 1300 nit brightness with webOS smart features and USB-C 90W charging.
We score 4k gaming monitors on Image Quality (35%), Speed (25%), Features (20%), Panel Quality (10%) and Value (10%). On that basis the MSI MAG 321URX QD-OLED totals 9.4 out of 10 and the LG UltraGear 32GX870A-B 9.3. The widest gap is Features, where the LG UltraGear 32GX870A-B scores 9.5 against 8 for the MSI MAG 321URX QD-OLED — HDMI 2.1, VRR, HDR. Image Quality also separates them: 10 for the MSI MAG 321URX QD-OLED versus 9.5 for the LG UltraGear 32GX870A-B. The LG UltraGear 32GX870A-B claws back ground on Panel Quality.
On paper, the specifications that actually differ: Resolution — 3840x2160 on the MSI MAG 321URX QD-OLED versus 3840x2160 / 1920x1080 on the LG UltraGear 32GX870A-B; Refresh Rate — 240Hz on the MSI MAG 321URX QD-OLED versus 240Hz / 480Hz on the LG UltraGear 32GX870A-B; Panel — QD-OLED on the MSI MAG 321URX QD-OLED versus WOLED on the LG UltraGear 32GX870A-B; HDR — HDR True Black 400 on the MSI MAG 321URX QD-OLED versus DisplayHDR True Black 400 on the LG UltraGear 32GX870A-B. They match on Response Time.
Pricing as of February 1, 2026: $899 for the MSI MAG 321URX QD-OLED and $1,396 for the LG UltraGear 32GX870A-B, a $497 difference in the MSI MAG 321URX QD-OLED's favor. 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. Owners praise the LG UltraGear 32GX870A-B for dual-mode: 4K/240Hz or FHD/480Hz and 1300 nit peak (MLA+); the most common complaint is expensive.
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
LG UltraGear 32GX870A-B
- Dual-mode: 4K/240Hz or FHD/480Hz
- 1300 nit peak (MLA+)
- DisplayPort 2.1 + USB-C 90W
- webOS built-in
- Expensive
- OLED burn-in risk
- FHD mode reduces sharpness
Which should you buy?
The MSI MAG 321URX QD-OLED is the better fit for value-seeking OLED buyers and 4K OLED on a relative budget — it is the higher-scoring pick here, chiefly for Image Quality and Value. The LG UltraGear 32GX870A-B is the better fit for versatile gamers (RPGs + esports) and those wanting 4K and high refresh, and the stronger choice if Features and Panel Quality matter more to you than the overall score. Since the MSI MAG 321URX QD-OLED is both the higher scorer and $497 cheaper, the LG UltraGear 32GX870A-B only makes sense for versatile gamers (RPGs + esports). The MSI MAG 321URX QD-OLED is a poor fit for premium build seekers; the LG UltraGear 32GX870A-B is a poor fit for pure 4K purists.
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
Choose the LG UltraGear 32GX870A-B if
- Versatile gamers (RPGs + esports)
- Those wanting 4K and high refresh
- USB-C laptop users
Skip it if
- Pure 4K purists
- Budget shoppers
Common questions
Is the MSI MAG 321URX QD-OLED better than the LG UltraGear 32GX870A-B?
In our 4K Gaming Monitors ranking the MSI MAG 321URX QD-OLED scores higher overall, 9.4 to 9.3, with the biggest advantage in Features. The LG UltraGear 32GX870A-B is stronger on Features and Panel Quality, so it is the better pick if those matter most to you.
How much more does the LG UltraGear 32GX870A-B cost than the MSI MAG 321URX QD-OLED?
$497 more as of February 1, 2026: $1,396 for the LG UltraGear 32GX870A-B against $899 for the MSI MAG 321URX QD-OLED. Prices move, so the merchant page shows the current figure.
What is the main difference between the MSI MAG 321URX QD-OLED and the LG UltraGear 32GX870A-B?
The headline spec difference is Resolution: 3840x2160 on the MSI MAG 321URX QD-OLED versus 3840x2160 / 1920x1080 on the LG UltraGear 32GX870A-B. In use, the gap that matters most is Features (8 vs 9.5 in our scoring): HDMI 2.1, VRR, HDR.