Dell S2421HGF 144Hz 24"

★★★★★ 4.7 (3,539)
Screen 24
Resolution 1920 x 1080
Refresh 144 Hz
adaptive sync FreeSync Premium
Dell S2421HGF 144Hz 24" monitor
24 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

Cons

  • Below average connectivity (11th percentile)
  • Below average ergonomic (13th percentile)
  • Below average color (19th percentile)
  • Below average feature (24th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews — so you can see whether early praise held up.

Owner sentiment has cooled since launch
82/100Our AI sentiment readlow confidence · 9 sources · May 2026
1★2★3★4★5★Q4 '20: 5.0★ · 2 reviewsQ1 '21: 5.0★ · 2 reviewsQ2 '21: 4.5★ · 2 reviewsQ1 '22: 4.0★ · 1 reviewQ2 '23: 5.0★ · 1 reviewQ4 '23: 5.0★ · 1 review222111Q4 '20Q1 '21Q2 '21Q1 '22Q2 '23Q4 '23
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Color 18.6
Portability 32.3
Display 29.6
Feature 23.5
User Sentiment 59.6
Ergonomic 12.8
Performance 60.1
Connectivity 11.4

Specifications

Full Specifications

Display

Size 24"
Resolution 1920 (Full HD)
Aspect Ratio 16:9

Performance

Refresh Rate 144 Hz
Adaptive Sync FreeSync Premium

Features

Weight 3.4 kg / 7.4 lbs

vs Competition

Spec Dell S2421HGF 144Hz 24" ASUS ROG Strix XG27AQDMG LG UltraGear 45GX950A-B Samsung Odyssey Neo G9 LS57CG952NNXZA MSI MPG 272URX QD-OLED Alienware AW-Series AW3425DW
Screen Size 24 26.5 44.5 57 27 34
Resolution 1920 x 1080 2560 x 1440 5120 x 2160 7680 x 2160 3840 x 2160 3440x1440
Panel Type - OLED OLED VA OLED QD-OLED
Refresh Rate 144 240 165 240 240 240
Response Time Ms - 0.029999999329447746 0.029999999329447746 1 0.029999999329447746 0.029999999329447746
Adaptive Sync FreeSync Premium FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro G-Sync Compatible FreeSync Premium Pro
Hdr - HDR10 DisplayHDR True Black 400 HDR10+ DisplayHDR True Black 400 DisplayHDR 400 True Black
Compare Compare Compare Compare Compare
Product ColorCompactDisplayFeatureUser SentimentErgonomicPerformanceConnectivity
Dell S2421HGF 144Hz 24" 18.632.329.623.559.612.860.111.4
ASUS ROG Strix XG27AQDMG Compare 96.573.975.572.79690.597.993.2
LG UltraGear 45GX950A-B Compare 99.482.499.797.4090.596.296.8
Samsung Odyssey Neo G9 LS57CG952NNXZA Compare 99.573.999.797.4072.387.999.2
MSI MPG 272URX QD-OLED Compare 95.963.897.386.575.790.597.982.2
Alienware AW-Series AW3425DW Compare 98.479.985.592090.597.995.3

Usage Scores

Overall (23.9)Gaming (28.3)Office (16.7)Creative (13.7)Portable (11.2)Professional (12.4)Entertainment (19.6)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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