Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor vs GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the flagship option here, boasting a stunning 3440 x 1440 resolution and a blistering 165Hz refresh rate. In real-world use, this means smoother gameplay and more immersive visuals, especially in fast-paced action games. Key specs: Display: 34.18" vs 28" and Refresh: 165 Hz vs 144 Hz.
Why compare these? The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor (premium flagship) and GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor (mid-range) 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.
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Key Differences at a Glance
| Aspect | Alienware AW3423DWF | GIGABYTE M28U |
|---|---|---|
| User Rating | ✓4.8★ (1,501 reviews) | 4.3★ (627 reviews) |
| Top Strength | QD-OLED panel delivers infinite contrast and perfect blacks with no blooming | HDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth) |
| Main Drawback | HDMI port is version 2.0, limiting native resolution output to 100Hz (console support varies) | USB-C power delivery is limited to 15W/18W, which is insufficient to charge most laptops |
| Market Position | ✓Flagship | Mid-range |
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
34.18" Viewable (34" Class)
3440 x 1440 (UWQHD)
21:9
QD-OLED (Quantum Dot OLED)
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
28" Viewable (28" Class)
3840 x 2160 (4K UHD)
16:9
SS IPS (Super Speed 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.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor vs GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
| Criterion | Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor | GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor |
|---|---|---|
| Rating | ★4.8(1,501)Best Buy | ★4.3(627)Amazon |
Screen Size | 34.18" Viewable (34" Class) | 28" Viewable (28" Class) |
Resolution | 3440 x 1440 (UWQHD) | 3840 x 2160 (4K UHD) |
Aspect Ratio | 21:9 | 16:9 |
Screen Type | QD-OLED (Quantum Dot OLED) | SS IPS (Super Speed IPS) |
Refresh Rate | 165 Hz (via DisplayPort) / 100 Hz (via HDMI 2.0) | 144 Hz (PC) / 120 Hz (Console via HDMI 2.1) |
Response Time | 0.1 ms (GtG) | 1 ms (GtG) / 2 ms (MPRT) |
Brightness | 250 nits (Typical SDR) / 1,000 nits (Peak HDR) | 300 nits (Typical) |
Contrast | 1,000,000:1 (Infinite) | 1,000:1 (Typical) |
Color Gamut | 99.3% DCI-P3 / 149% sRGB | 94% DCI-P3 / 120% sRGB |
Color Depth | 1.07 Billion (10-bit) | 8-bit |
HDR | VESA DisplayHDR True Black 400 (Peak 1000 Mode available) | VESA DisplayHDR 400 |
Adaptive Sync | AMD FreeSync Premium Pro (VRR 48-165Hz) | AMD FreeSync Premium Pro |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | 1800R | Flat |
Speakers | No (None) | 2x 3 W (Stereo) |
Ports | 2x DisplayPort 1.4; 1x HDMI 2.0; 1x USB-B Upstream; 4x USB-A Downstream (5 Gbps); 1x Audio Line-out; 1x Headphone Out | 2x HDMI 2.1; 1x DisplayPort 1.4 (DSC); 1x USB-C (DP Alt Mode, Data, 15W PD); 3x USB 3.0 Downstream; 1x USB-B Upstream; 1x 3.5mm Headphone Out |
USB C | No | Yes (Video + Data + 15W Power Delivery) |
Kvm | No | Yes (Built-in) |
Vesa | 100 x 100 mm | 100 x 100 mm |
Ergonomics | Height (110mm), Swivel (-20° to 20°), Tilt (-5° to 21°), Slant (-5° to 5°) | Height (130mm), Tilt (-5° to 20°); No Swivel or Pivot |
Power Consumption | 34 W (Typical) / 200 W (Max) / 0.5 W (Standby) | 40.5 W (Typical) / 115 W (Max) / 0.5 W (Standby) |
Weight With Stand | 9,650 g (21.27 lbs) | 6,930 g (15.28 lbs) |
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Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor
34.18" Viewable (34" Class)
3440 x 1440 (UWQHD)
21:9
QD-OLED (Quantum Dot OLED)
165 Hz (via DisplayPort) / 100 Hz (via HDMI 2.0)
0.1 ms (GtG)
Pros
- QD-OLED panel delivers infinite contrast and perfect blacks with no blooming
- Instantaneous 0.1ms response time ensures zero motion blur in fast-paced games
Cons
- HDMI port is version 2.0, limiting native resolution output to 100Hz (console support varies)
- Non-standard triangular subpixel layout can cause text fringing (purple/green edges) on text
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
28" Viewable (28" Class)
3840 x 2160 (4K UHD)
16:9
SS IPS (Super Speed IPS)
144 Hz (PC) / 120 Hz (Console via HDMI 2.1)
1 ms (GtG) / 2 ms (MPRT)
Pros
- HDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth)
- Built-in KVM switch allows controlling two devices (e.g., PC and Laptop) with one keyboard/mouse
Cons
- USB-C power delivery is limited to 15W/18W, which is insufficient to charge most laptops
- HDMI 2.1 bandwidth is capped at 24Gbps (relies on DSC for full 4K 144Hz 4:4:4)
Which one is better?
The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the better buy for most people - its 165Hz refresh rate crushes the GIGABYTE M28U's 144Hz. That said, grab the GIGABYTE M28U if you need a more compact 28" screen for tight spaces - it's lighter at 244.45 oz.
Who should buy each?
Choose the Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor if: you want the ultimate 165Hz refresh rate for gaming, prefer an ultrawide 34" screen for a more immersive experience, or value superior color accuracy for creative work.
Choose the GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor if: you need a compact, high-resolution display for a dual-device setup, want HDMI 2.1 support for next-gen consoles, or prefer a lower weight at 244.45 oz.
Quality Seekers
Higher user rating (4.8★ vs 4.3★) indicates better overall satisfaction
→ Choose Alienware AW3423DWF
Safe Choice Buyers
More widely tested with 1,501 reviews vs 627
→ Choose Alienware AW3423DWF
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Alienware AW3423DWF
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose GIGABYTE M28U
Conclusion
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor and GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor edges ahead with a 4.8★ rating compared to 4.3★. However, GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor or GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor?
Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor is the better choice if you prioritize qd-oled panel delivers infinite contrast and perfect blacks with no blooming. GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor wins if you value hdmi 2.1 ports support 4k @ 120hz for ps5 and xbox series x (utilizing dsc or chroma subsampling due to 24gbps bandwidth). Both are rated highly (4.8★ vs 4.3★), so consider your specific needs and budget.
+What are the main differences between Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor and GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor?
Key differences: Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor offers qd-oled panel delivers infinite contrast and perfect blacks with no blooming, while GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor stands out with hdmi 2.1 ports support 4k @ 120hz for ps5 and xbox series x (utilizing dsc or chroma subsampling due to 24gbps bandwidth). Consider that Alienware AW3423DWF 34" QD-OLED Curved Gaming Monitor hdmi port is version 2.0, limiting native resolution output to 100hz (console support varies). Meanwhile, GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor usb-c power delivery is limited to 15w/18w, which is insufficient to charge most laptops. 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.
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