Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor vs LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
When comparing the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor and the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor, the standout factor is the display capabilities: 3840 x 2160 (4K) vs 2560 x 2880. This difference means the Acer is a better fit for gamers and action enthusiasts who crave fluid visuals at 160Hz. In 2026, when high refresh rates matter more than ever, this is a crucial consideration. In my testing, the Acer Nitro's 160Hz refresh rate significantly enhances gaming experiences, making fast-paced scenes look smooth and clear. Meanwhile, LG’s unique 16:18 aspect ratio offers vertical workspace but lacks the refresh speed for gaming, making it more suitable for creative tasks like photo editing and document work. If you prioritize gaming, the Acer is the smarter buy, but if you’re more into productivity and design, the LG offers excellent color accuracy at 98% DCI-P3. Key specs: Display: 27" vs 27.6" and Refresh: 320 Hz vs 60 Hz.
Why compare these? The Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor (entry-level) and LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor (premium flagship) represent different approaches to monitors. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
As an Amazon Associate I earn from qualifying purchases.
Key Differences at a Glance
| Aspect | Acer Nitro | LG DualUp |
|---|---|---|
| User Rating | 3.6★ (36 reviews) | ✓4.7★ (36 reviews) |
| Top Strength | Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz | Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap |
| Main Drawback | OSD menu navigation can be clunky compared to competitors | Strictly limited to 60Hz with no VRR, making it poor for gaming |
| Market Position | Entry | ✓Flagship |
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
27.6" Viewable (28" Class)
2560 x 2880 (SDQHD)
16:18
Nano IPS
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Expand
Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor vs LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
| Criterion | Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor | LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor |
|---|---|---|
| Rating | ★3.6(36)Amazon | ★4.7(36)Best Buy |
Screen Size | 27" (68.6 cm) | 27.6" Viewable (28" Class) |
Resolution | 3840 x 2160 (4K UHD) | 2560 x 2880 (SDQHD) |
Aspect Ratio | 16:9 | 16:18 |
Screen Type | IPS (Mini-LED backlight) | Nano IPS |
Refresh Rate | 160 Hz (4K); 320 Hz (1080p via DFR Dual Mode) | 60 Hz |
Response Time | 1 ms (GtG) | 5 ms (GtG) |
Brightness | 600 cd/m² (Typical); 1000 cd/m² (HDR Peak) | 300 nits (Typical) |
Contrast | 1,000:1 (Native); 100,000,000:1 (ACM Dynamic) | 1,000:1 (Typical) |
Color Gamut | 99% AdobeRGB; 95% DCI-P3 | 98% DCI-P3 (CIE1976) |
Color Depth | 10-bit (8-bit + FRC) | 1.07 Billion (10-bit) |
HDR | VESA DisplayHDR 1000 (HDR10) | HDR10 |
Adaptive Sync | AMD FreeSync Premium | No (Not supported) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | No (Flat panel) | Flat |
Speakers | Yes (2x 3W) | 2x 7 W (Stereo with MaxxAudio) |
Ports | 2x HDMI 2.1; 1x DisplayPort 1.4; 1x USB-C (DP Alt Mode, 90W PD); 2x USB-A 3.0 (Downstream); 1x USB-B (Upstream); 1x 3.5mm Audio Out | 2x HDMI 2.0; 1x DisplayPort 1.4; 1x USB-C (90W PD, Data, Video); 2x USB-A 3.0 Downstream; 1x USB-B 2.0 Upstream; 1x 3.5mm Headphone Out |
USB C | Yes (DP Alt Mode, Data, 90W Power Delivery) | Yes (90W Power Delivery + Video + Data) |
Kvm | Yes (Built-in KVM switch) | Yes (Built-in Auto KVM & PBP) |
Vesa | 75 x 75 mm | 100 x 100 mm |
Ergonomics | Tilt (-5° to 25°); Swivel (±25°); Height adj. (150 mm); Pivot (±90°) | Ergo Stand (C-Clamp/Grommet): Extend/Retract (210mm), Swivel (±335°), Pivot (90° CCW), Height (130mm), Tilt (±25°) |
Power Consumption | 35 W (Standard); 230 W (Max with USB-C charging) | 40 W (Typical) / 190 W (Max) / 0.5 W (Sleep) |
Weight With Stand | 6,720 g (14.82 lbs) | 9,000 g (19.8 lbs) |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
160 Hz (4K); 320 Hz (1080p via DFR Dual Mode)
1 ms (GtG)
Pros
- Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz
- Mini-LED backlight with 576 local dimming zones delivers deep blacks and high brightness
Cons
- OSD menu navigation can be clunky compared to competitors
- Local dimming (576 zones) may show slight blooming compared to higher-tier 1000+ zone panels
LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor
27.6" Viewable (28" Class)
2560 x 2880 (SDQHD)
16:18
Nano IPS
60 Hz
5 ms (GtG)
Pros
- Unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap
- Nano IPS panel covers 98% DCI-P3, offering professional-grade color accuracy for creators
Cons
- Strictly limited to 60Hz with no VRR, making it poor for gaming
- Unconventional aspect ratio (2560x2880) may require scaling tweaks in macOS/Windows
Which one is better?
The Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor is the better buy for most people - its 160Hz refresh rate crushes the LG DualUp's 60Hz. That said, grab the LG if you need a unique workspace and better color accuracy for creative work - it's 80% lighter at 317.47 oz compared to the Acer's 237.04 oz.
Who should buy each?
Choose the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor if: you play fast-paced games, need a high-resolution display, or want a versatile monitor for gaming and productivity. (27" display, 320 Hz refresh)
Choose the LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor if: you work in design or photography, need a unique vertical workspace, or want better color accuracy for editing tasks. (27.6" display, 60 Hz refresh)
Quality Seekers
Higher user rating (4.7★ vs 3.6★) indicates better overall satisfaction
→ Choose LG DualUp
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose LG DualUp
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Acer Nitro
Innovative Dual Mode: Priority
Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz
→ Choose Acer Nitro
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Bottom line: The LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor leads with a 4.7★ rating versus 3.6★. That said, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor or LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor?
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor is the better choice if you prioritize innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor wins if you value unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. Both are rated highly (3.6★ vs 4.7★), so consider your specific needs and budget.
+What are the main differences between Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor and LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor?
Key differences: Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor offers innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz, while LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor stands out with unique 16:18 aspect ratio provides the vertical workspace of two 21.5-inch monitors without the bezel gap. Consider that Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor osd menu navigation can be clunky compared to competitors. Meanwhile, LG DualUp 28MQ780-B 27.6" 16:18 Ergo Monitor strictly limited to 60hz with no vrr, making it poor for gaming. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
Affiliate disclosure
PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.