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2026 comparison
Updated Jan 26, 2026
|Sources: Amazon, Manufacturer

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor vs Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor

The GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor is the premium option here, boasting a solid 144Hz refresh rate for smooth gaming. But the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor ups the ante with a staggering 160Hz at 4K, making it a compelling choice for gamers looking for speed. In real-world use, the GIGABYTE shines with its built-in KVM switch, allowing seamless control of two devices. However, the Acer’s 90W USB-C power delivery and brighter display (600 nits typical) make it a great pick for those who prioritize versatility and vibrant visuals, especially for content creation. Key specs: Display: 28" vs 27" and Refresh: 144 Hz vs 320 Hz.

Why compare these? The GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor (mid-range) and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor (entry-level) 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.

📱 Display: 28" vs 27"⚡ Refresh: 144 Hz vs 320 Hz⚖️ Weight: 244.45 oz vs 237.04 oz

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Key Differences at a Glance

AspectGIGABYTE M28UAcer Nitro
User Rating4.3★ (627 reviews)3.6★ (36 reviews)
Top StrengthHDMI 2.1 ports support 4K @ 120Hz for PS5 and Xbox Series X (utilizing DSC or chroma subsampling due to 24Gbps bandwidth)Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz
Main DrawbackUSB-C power delivery is limited to 15W/18W, which is insufficient to charge most laptopsOSD menu navigation can be clunky compared to competitors
Market PositionMid-rangeEntry
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
Screen Size

28" Viewable (28" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

SS IPS (Super Speed IPS)

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Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
Screen Size

27" (68.6 cm)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (Mini-LED backlight)

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display10 specs
Screen SizeKey
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
28" Viewable (28" Class)
Winner
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
27" (68.6 cm)
Panel TypeKey
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
SS IPS (Super Speed IPS)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
IPS (Mini-LED backlight)
Refresh RateKey
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
144 Hz (PC) / 120 Hz (Console via HDMI 2.1)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
160 Hz (4K); 320 Hz (1080p via DFR Dual Mode)
Winner
Response Time
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
1 ms (GtG) / 2 ms (MPRT)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
1 ms (GtG)
Brightness
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
300 nits (Typical)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
600 cd/m² (Typical); 1000 cd/m² (HDR Peak)
Contrast Ratio
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
1,000:1 (Typical)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
1,000:1 (Native); 100,000,000:1 (ACM Dynamic)
Color Gamut
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
94% DCI-P3 / 120% sRGB
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
99% AdobeRGB; 95% DCI-P3
Color Depth
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
8-bit
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
10-bit (8-bit + FRC)
HDR
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
VESA DisplayHDR 400
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
VESA DisplayHDR 1000 (HDR10)
Curvature
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
Flat
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
No (Flat panel)
Gaming1 specs
Adaptive Sync
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
AMD FreeSync Premium Pro
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
AMD FreeSync Premium
Connectivity2 specs
Ports
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
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
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
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
USB-C
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
Yes (Video + Data + 15W Power Delivery)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
Yes (DP Alt Mode, Data, 90W Power Delivery)
Design3 specs
Ergonomics
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
Height (130mm), Tilt (-5° to 20°); No Swivel or Pivot
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
Tilt (-5° to 25°); Swivel (±25°); Height adj. (150 mm); Pivot (±90°)
VESA Mount
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
100 x 100 mm
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
75 x 75 mm
Weight
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
6,930 g (15.28 lbs)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
6,720 g (14.82 lbs)
Winner
Audio1 specs
Speakers
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor
2x 3 W (Stereo)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
Yes (2x 3W)
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor vs Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor

4.3(627)Amazon
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor

Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor

3.6(36)Amazon
GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor

4.3(627)Amazon
Screen Size

28" Viewable (28" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

SS IPS (Super Speed IPS)

Refresh Rate

144 Hz (PC) / 120 Hz (Console via HDMI 2.1)

Response Time

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)
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor

Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor

3.6(36)Amazon
Screen Size

27" (68.6 cm)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (Mini-LED backlight)

Refresh Rate

160 Hz (4K); 320 Hz (1080p via DFR Dual Mode)

Response Time

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

Which one is better?

The GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor is the better buy for most people - its 144Hz refresh rate crushes the Acer's 160Hz at 4K for smoother gameplay. That said, grab the Acer Nitro XV275K P5 if you need a brighter screen and better USB-C power delivery - it's 75W more powerful.

Who should buy each?

Choose the GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor if: you want smooth 4K gaming with a 144Hz refresh, need to control multiple devices with one setup, or prioritize sharp visuals with 157 PPI.
Choose the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor if: you need versatile display options with 4K 160Hz, want high brightness for HDR content, or require robust USB-C power delivery for your devices.

A

Quality Seekers

Higher user rating (4.3★ vs 3.6★) indicates better overall satisfaction

→ Choose GIGABYTE M28U

A

Safe Choice Buyers

More widely tested with 627 reviews vs 36

→ Choose GIGABYTE M28U

A

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose GIGABYTE M28U

B

Value Seekers

Better value proposition for buyers who don't need top-tier features

→ 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 GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor edges ahead with a 4.3★ rating compared to 3.6★. However, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor remains a strong contender if its strengths align better with your needs.

Frequently Asked Questions

+Which is better: GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor or Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor?

GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor is the better choice if you prioritize hdmi 2.1 ports support 4k @ 120hz for ps5 and xbox series x (utilizing dsc or chroma subsampling due to 24gbps bandwidth). Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor wins if you value innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Both are rated highly (4.3★ vs 3.6★), so consider your specific needs and budget.

+What are the main differences between GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor?

Key differences: GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor offers hdmi 2.1 ports support 4k @ 120hz for ps5 and xbox series x (utilizing dsc or chroma subsampling due to 24gbps bandwidth), while Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor stands out with innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Consider that GIGABYTE M28U 28" 4K 144Hz KVM Gaming Monitor usb-c power delivery is limited to 15w/18w, which is insufficient to charge most laptops. Meanwhile, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor osd menu navigation can be clunky compared to competitors. 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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