Dell S3225QS vs BenQ RD280U

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

The BenQ RD280U and Dell S3225QS are closely matched at 59 and 58/100. The BenQ RD280U edges ahead on HDR and Connectivity, while the Dell S3225QS leads on Performance — pick the one whose strengths match what you'll actually use.

Verdict

Our overall take, at a glance

BenQ RD280U and Dell S3225QS are closely matched

BenQ RD280U

Dell S3225QS

Where BenQ RD280U stands out

Panel Pixel Density: 164 (18% more)
Image Quality Brightness (typical): 350 nits (17% more)

Where Dell S3225QS stands out

Performance Refresh Rate: 120 Hz (100% more)
Connectivity HDMI Ports: 2 (100% more)
Panel Type: VA

Watch-outs

Compromises to know before you buy

Dell S3225QS

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

BenQ RD280U

60 Hz — no high-refresh gaming.

Winner by category for Dell S3225QS vs BenQ RD280U
Category	BenQ RD280U	Dell S3225QS	Winner
Panel	53	53	Tie
Image Quality	51	49	Tie
Performance	34	66	Dell S3225QS
HDR	100	0	BenQ RD280U
Connectivity	67	44	BenQ RD280U
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 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

BenQ RD280U

The BenQ RD280U is a 28-inch 4K+ monitor designed specifically for software developers and coders. Built around a productivity-focused 3:2 aspect ratio, it delivers extra vertical screen real estate to view more lines of code simultaneously. It also incorporates ambient rear backlighting and dedicated display modes tailored for text legibility and long-session eye comfort.

Best for Software engineers wanting maximum vertical desktop area for reading long files Best for Late-night programming environments requiring ambient rear lighting and eye-care

Pros

Tall 3:2 aspect ratio displays significantly more lines of code vertically compared to standard 16:9 screens
High-density 4K+ resolution ensures sharp text rendering for comfortable long-term reading
Integrated rear backlight helps reduce eye strain when working in dimly lit rooms

Cons

3:2 aspect ratio results in wide black letterboxing during standard 16:9 media viewing
Specialized text and coding focus offers less utility for fast-paced gaming

Value for Money

Which is the better deal for the price

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Dell S3225QS

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BenQ RD280U

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

Dell S3225QSBenQ RD280U

BenQ RD280U is 1.53 kg (26%) heavier than Dell S3225QS.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	Dell S3225QS	BenQ RD280U
Screen Size	31.5 in12% more	28.2 in
Resolution	3840 × 2160 px	3840 × 2560 px
Panel Type
Aspect Ratio	16:9	3:2
Pixel Density	139	16418% more
Curved	N/A	N/A
Screen-to-body ratio	93%	91%

Image Quality

Feature	Dell S3225QS	BenQ RD280U
Brightness (typical)	300 nits	350 nits17% more
Contrast Ratio	3000:1	1200:1
Color Gamut (DCI-P3)	95	95
Color Depth	N/A	N/A

Performance

Feature	Dell S3225QS	BenQ RD280U
Refresh Rate	120 Hz100% more	60 Hz
Response Time (GtG)	4 ms20% less	5 ms
Adaptive Sync	FreeSync Premium / HDMI VRR	N/A

HDR

Feature	Dell S3225QS	BenQ RD280U
HDR Format	HDR10	HDR10, DisplayHDR 400
Peak Brightness (HDR)	N/A	400 nits

Connectivity

Feature	Dell S3225QS	BenQ RD280U
HDMI Ports	2100% more	1
DisplayPort	1	1
USB-C	No	Yes
Power Delivery	N/A	90 W
USB Hub	No	Yes

Ergonomics

Feature	Dell S3225QS	BenQ RD280U
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	Yes	Yes
Dimensions (without stand)	71.25 × 41.28 × 6.14 cm	61.04 × 42.78 × 8.71 cm
Weight (without stand)	5.97 kg	7.5 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 S3225QS vs BenQ RD280U comparison

They are closely matched: Dell S3225QS scores 47/100 and BenQ RD280U scores 45/100 in our overall comparison — within 2 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

Dell S3225QS and BenQ RD280U 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 47/100 for Dell S3225QS and 45/100 for BenQ RD280U.

It's close — Dell S3225QS (47/100) and BenQ RD280U (45/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.