← Back to Monitors
2026 comparison
Updated Jan 26, 2026
|Sources: Amazon, Manufacturer

Dell S2721QS 27" 4K UHD IPS Monitor vs Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor

The Dell S2721QS 27" 4K UHD IPS Monitor vs Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor showdown hinges on refresh rate: 60Hz vs an impressive 360Hz. If you're into fast-paced gaming, the Alienware's specs will catch your eye. Meanwhile, the Dell's 4K resolution offers stunning clarity for content consumption. In real-world use, the 27" 4K resolution provides razor-sharp detail, making it ideal for photography and media editing. However, the Alienware's lightning-fast 360Hz refresh rate and 0.5ms response time make it a game-changer for competitive gamers, ensuring every frame is crystal clear in fast-moving scenes. If you value speed over resolution, the Alienware is the no-brainer choice here. Key specs: Display: 27" vs 24.5" and Refresh: 60 Hz vs 360 Hz.

Why compare these? The Dell S2721QS 27" 4K UHD IPS Monitor (mid-range) and Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor (high-end) 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: 27" vs 24.5"⚡ Refresh: 60 Hz vs 360 Hz⚖️ Weight: 225.75 oz vs 203.53 oz

As an Amazon Associate I earn from qualifying purchases.

Key Differences at a Glance

AspectDell S2721QSAlienware AW2523HF
User Rating4.4★ (1,905 reviews)4.5★ (1,530 reviews)
Top StrengthRazor-sharp 4K resolution (163 PPI) delivers excellent text clarity360Hz refresh rate (via DisplayPort) offers elite-tier motion clarity for CS2 and Valorant
Main DrawbackLimited to 60Hz, making it less suitable for fast-paced gamingHDMI ports are limited to 255Hz; you must use DisplayPort for the full 360Hz experience
Market PositionMid-rangePremium
Dell S2721QS 27" 4K UHD IPS Monitor
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

See Today's Price
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
Screen Size

24.5" Viewable (25" Class)

Resolution

1920 x 1080 (FHD)

Aspect Ratio

16:9

Screen Type

Fast IPS

See Today's Price
Key spec differences

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

Display9 specs
Screen SizeKey
Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
Winner
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
24.5" Viewable (25" Class)
ResolutionKey
Dell S2721QS 27" 4K UHD IPS Monitor
3840 x 2160 (4K UHD)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
1920 x 1080 (FHD)
Panel TypeKey
Dell S2721QS 27" 4K UHD IPS Monitor
IPS (In-Plane Switching)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
Fast IPS
Refresh RateKey
Dell S2721QS 27" 4K UHD IPS Monitor
60 Hz
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
360 Hz (via DisplayPort) / 255 Hz (via HDMI)
Winner
Response Time
Dell S2721QS 27" 4K UHD IPS Monitor
4 ms (Gray-to-Gray Extreme Mode)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
0.5 ms (GtG Min) / 1 ms (GtG Extreme)
Brightness
Dell S2721QS 27" 4K UHD IPS Monitor
350 nits (Typical)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
400 nits (Typical)
Contrast Ratio
Dell S2721QS 27" 4K UHD IPS Monitor
1,300:1 (Typical)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
1,000:1 (Typical)
Color Depth
Dell S2721QS 27" 4K UHD IPS Monitor
1.07 Billion (10-bit via 8-bit + FRC)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
16.7M (8-bit)
HDR
Dell S2721QS 27" 4K UHD IPS Monitor
HDR Playback Support (Not VESA Certified)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
Smart HDR (Accepts signal; not VESA DisplayHDR certified)
Gaming1 specs
Adaptive Sync
Dell S2721QS 27" 4K UHD IPS Monitor
AMD FreeSync (40Hz - 60Hz)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
AMD FreeSync Premium / VESA Adaptive-Sync Certified
Connectivity1 specs
Ports
Dell S2721QS 27" 4K UHD IPS Monitor
2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-out
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
1x DisplayPort 1.4; 2x HDMI 2.0; 1x USB-B 3.2 Gen 1 Upstream; 4x USB-A 3.2 Gen 1 Downstream (1x with Battery Charging 1.2); 1x Headphone Out; 1x Audio Line-Out
Design2 specs
Ergonomics
Dell S2721QS 27" 4K UHD IPS Monitor
Height (110mm), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
Height (110mm), Swivel (-20° to 20°), Pivot (90°), Tilt (-5° to 21°)
Weight
Dell S2721QS 27" 4K UHD IPS Monitor
6,400 g (14.11 lbs)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
5,770 g (12.72 lbs)
Winner
Audio1 specs
Speakers
Dell S2721QS 27" 4K UHD IPS Monitor
2x 3 W (Stereo)
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor
No (None)
+

Full specs, pros, and cons

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

Comparison: Dell S2721QS 27" 4K UHD IPS Monitor vs Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

4.4(1,905)Amazon
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor

Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor

4.5(1,530)Amazon
Dell S2721QS 27" 4K UHD IPS Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

4.4(1,905)Amazon
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

Refresh Rate

60 Hz

Response Time

4 ms (Gray-to-Gray Extreme Mode)

Pros

  • Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity
  • Fully adjustable ergonomic stand (Height, Pivot, Swivel, Tilt) included

Cons

  • Limited to 60Hz, making it less suitable for fast-paced gaming
  • Lacks USB-C connectivity and USB data hub
Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor

Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor

4.5(1,530)Amazon
Screen Size

24.5" Viewable (25" Class)

Resolution

1920 x 1080 (FHD)

Aspect Ratio

16:9

Screen Type

Fast IPS

Refresh Rate

360 Hz (via DisplayPort) / 255 Hz (via HDMI)

Response Time

0.5 ms (GtG Min) / 1 ms (GtG Extreme)

Pros

  • 360Hz refresh rate (via DisplayPort) offers elite-tier motion clarity for CS2 and Valorant
  • Fast IPS panel combines speed (0.5ms) with much better colors/viewing angles than TN panels

Cons

  • HDMI ports are limited to 255Hz; you must use DisplayPort for the full 360Hz experience
  • Lacks VESA DisplayHDR certification; 'Smart HDR' is largely software-based with no local dimming

Which one is better?

The Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor is the better buy for most people - its 360Hz refresh rate crushes the Dell's 60Hz. That said, grab the Dell if you need that stunning 4K resolution for design work or media consumption - it's the perfect choice for photo editing.

Who should buy each?

Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you need 4K resolution for photography, you work long hours at a desk and require ergonomic adjustments, or you enjoy watching movies in high detail.
Choose the Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor if: you play competitive FPS games and need ultra-fast refresh rates, you want superior motion clarity in gaming, or you prefer a compact setup with a rich USB hub for peripherals. (24.5" display, 360 Hz refresh)

B

Quality Seekers

Higher user rating (4.5★ vs 4.4★) indicates better overall satisfaction

→ Choose Alienware AW2523HF

B

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose Alienware AW2523HF

A

Value Seekers

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

→ Choose Dell S2721QS

A

Razor-sharp 4K resolution Priority

Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity

→ Choose Dell S2721QS

Conclusion

There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.

Bottom line: The Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor leads with a 4.5★ rating versus 4.4★. That said, Dell S2721QS 27" 4K UHD IPS Monitor could still be the right pick depending on your specific priorities.

Frequently Asked Questions

+Which is better: Dell S2721QS 27" 4K UHD IPS Monitor or Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor?

Dell S2721QS 27" 4K UHD IPS Monitor is the better choice if you prioritize razor-sharp 4k resolution (163 ppi) delivers excellent text clarity. Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor wins if you value 360hz refresh rate (via displayport) offers elite-tier motion clarity for cs2 and valorant. Both are rated highly (4.4★ vs 4.5★), so consider your specific needs and budget.

+What are the main differences between Dell S2721QS 27" 4K UHD IPS Monitor and Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor?

Key differences: Dell S2721QS 27" 4K UHD IPS Monitor offers razor-sharp 4k resolution (163 ppi) delivers excellent text clarity, while Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor stands out with 360hz refresh rate (via displayport) offers elite-tier motion clarity for cs2 and valorant. Consider that Dell S2721QS 27" 4K UHD IPS Monitor limited to 60hz, making it less suitable for fast-paced gaming. Meanwhile, Alienware AW2523HF 24.5" FHD 360Hz Gaming Monitor hdmi ports are limited to 255hz; you must use displayport for the full 360hz experience. 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.