Dell UltraSharp U3224KB vs Dell S3225QS

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Dell UltraSharp U3224KB is the better pick — it scores 61/100 to the Dell S3225QS's 56, leading on Panel and Image Quality. Choose the Dell S3225QS instead if performance matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Dell UltraSharp U3224KB leads overall

Dell UltraSharp U3224KB

Dell S3225QS

Why it stands out

Panel Pixel Density: 223 (60% more)
Panel Resolution: 6144 × 3456 px
Panel Type: IPS Black

Watch-outs

Compromises to know before you buy

Dell UltraSharp U3224KB

60 Hz — no high-refresh gaming.

Dell S3225QS

No USB-C — no single-cable laptop connection.

Winner by category for Dell UltraSharp U3224KB vs Dell S3225QS
Category	Dell UltraSharp U3224KB	Dell S3225QS	Winner
Panel	59	49	Dell UltraSharp U3224KB
Image Quality	54	46	Dell UltraSharp U3224KB
Performance	34	66	Dell S3225QS
HDR	100	0	Dell UltraSharp U3224KB
Connectivity	67	44	Dell UltraSharp U3224KB
Ergonomics	85	85	Tie

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

Dell UltraSharp U3224KB

The Dell UltraSharp U3224KB is a professional-grade 31.5-inch monitor featuring an ultra-high 6K resolution of 6144 x 3456 pixels. Built around an IPS Black panel, it targets demanding creative professionals and office environments requiring exceptional text clarity and expansive workspace. It offers a 60Hz refresh rate, robust connectivity including USB-C with 140W power delivery, and a built-in webcam setup.

Best for High-resolution photo editing and detailed graphic designBest for Multi-window productivity tasks requiring ultra-sharp text rendering

Pros

Extremely high 6K resolution providing exceptional pixel density and workspace
IPS Black technology delivers a solid 2000:1 contrast ratio for deeper blacks
Generous 140W power delivery over USB-C to charge connected laptops
Comprehensive ergonomic adjustments including full height control

Cons

Refresh rate is capped at 60Hz without adaptive sync support, making it unsuitable for gaming
Carries a very high price point typical of pioneering high-resolution productivity displays
Limited HDR performance restricted to a DisplayHDR 600 certification

Dell S3225QS

The Dell S3225QS is a 31.5-inch 4K monitor built with a VA panel offering a 3840 x 2160 resolution and a 120Hz refresh rate. It is designed for general productivity and multimedia viewing, incorporating basic gaming features such as FreeSync Premium and HDMI VRR support. The display features a 3000:1 contrast ratio, built-in speakers, and an adjustable stand with height modifications.

Best for multitasking with multiple windows on a large 4K screenBest for casual console and PC gaming at 120Hz

Pros

Sharp 4K resolution on a spacious 31.5-inch display
High 3000:1 contrast ratio inherent to the VA panel
120Hz refresh rate with FreeSync Premium and HDMI VRR support
Includes height adjustment and built-in speakers

Cons

Lacks a USB-C connection and integrated USB hub functionality
Moderate peak brightness of 300 nits limits robust HDR performance

Value for Money

Which is the better deal for the price

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Dell UltraSharp U3224KB

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Dell S3225QS

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

Dell UltraSharp U3224KBDell S3225QS

Dell UltraSharp U3224KB is 2.64 kg (44%) heavier than Dell S3225QS.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	Dell UltraSharp U3224KB	Dell S3225QS
Screen Size	31.5 in	31.5 in
Resolution	6144 × 3456 px	3840 × 2160 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	22360% more	139
Curved	No	N/A
Screen-to-body ratio	78%	93%

Image Quality

Feature	Dell UltraSharp U3224KB	Dell S3225QS
Brightness (typical)	450 nits50% more	300 nits
Contrast Ratio	2000:1	3000:1
Color Gamut (DCI-P3)	994% more	95
Color Depth	10-bit	N/A

Performance

Feature	Dell UltraSharp U3224KB	Dell S3225QS
Refresh Rate	60 Hz	120 Hz100% more
Response Time (GtG)	5 ms	4 ms20% less
Adaptive Sync	None	FreeSync Premium / HDMI VRR

HDR

Feature	Dell UltraSharp U3224KB	Dell S3225QS
HDR Format	DisplayHDR 600	HDR10
Peak Brightness (HDR)	600 nits	N/A

Connectivity

Feature	Dell UltraSharp U3224KB	Dell S3225QS
HDMI Ports	1	2100% more
DisplayPort	1	1
USB-C	Yes	No
Power Delivery	140 W	N/A
USB Hub	Yes	No

Ergonomics

Feature	Dell UltraSharp U3224KB	Dell S3225QS
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	Yes	Yes
Dimensions (without stand)	71.74 × 48.66 × 6.63 cm	71.25 × 41.28 × 6.14 cm
Weight (without stand)	8.61 kg	5.97 kg
Release Date	N/A	N/A

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about Dell UltraSharp U3224KB vs Dell S3225QS comparison

Based on our overall comparison score, Dell UltraSharp U3224KB rates higher at 52/100 versus 47/100 for Dell S3225QS — a 5-point lead. Dell UltraSharp U3224KB is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.

Dell UltraSharp U3224KB and Dell S3225QS are compared side by side above across every spec in the monitors category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 52/100 for Dell UltraSharp U3224KB and 47/100 for Dell S3225QS.

If you want the higher-rated monitors option overall, Dell UltraSharp U3224KB (52/100) edges out Dell S3225QS (47/100). But if Dell S3225QS is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.