31.5″ Dell S3225QC – Specs & Features
Dell Monitor ★★★★☆ Great 8.6/10
31.5″ Dell S3225QC – Specs & Features
31.5 48 Hz 250 cd 1500000
Display
31.5-inch, QD-OLED, 3840 x 2160
31.5
Refresh Rate
48 Hz - 120 Hz
48 Hz
Brightness
250 cd/m² (peak 1000 cd/m²)
250 cd
Contrast Ratio
1500000 : 1
1500000
Dell Monitor
At a glance

The 31.5″ Dell S3225QC – Specs & Features is a monitor from Dell featuring 2025 model year, 31.5-inch size class and QD-OLED (Samsung) panel type. Across our display performance benchmarks it scores Great — 8.6/10.

Model Year2025 Size Class31.5-inch Panel TypeQD-OLED (Samsung)
📈Display Performance
🏆
Overall Score Combined display quality score
86 /100
8.6/10
🔄
Refresh Rate Higher is smoother — 144Hz+ ideal for gaming
50 /100
120Hz
Response Time Lower is better — 1ms excellent
100 /100
0.03ms
🎨
Color Coverage % of DCI-P3 / sRGB gamut — higher = more vivid
100 /100
100%
☀️
Brightness Peak brightness in nits — 1000+ for HDR
25 /100
250nits
The Dell 31.5″ Dell S3225QC – Specs & Features achieves an overall display score of 8.6/10. With a 120Hz refresh rate and 0.03ms response time, it delivers excellent motion clarity for gaming and fast-paced content. Color coverage reaches 100% of DCI-P3, making it suitable for professional color work. Brightness of 250 nits is adequate for indoor use.
🎯 Who Should Buy the Dell S3225QC
Perfect For
🖱️ Everyday Power Users 120Hz
Scrolling feels instant, not sluggish
🎨 Photo Editors & Colour Graders 100% P3
Screen colours match print and web export
💼 Home Office & Remote Workers Work
Reliable all-day viewing for desk work
×
Not Ideal For
🗂️ Extreme Multitaskers 16:9 Only
Standard 16:9 cannot fit two full-width apps without overlap. An ultrawide replaces a dual-monitor setup cleanly.
💻 Single-Cable Laptop Users No USB-C
No USB-C port means separate video and power cables are needed for a laptop. No single-cable docking possible.
💡 Quick Advice: Buy this for cinematic visuals and colour accuracy. Best-in-class contrast and colour. Buy this if quality matters most. If you game competitively, verify the response time first.
Real-World Use Cases
🖌️
Photo & Video Colour Work 100% P3
What you grade is what the client receives
100% DCI-P3 keeps profiles consistent from Lightroom to print export.
🎬
Movies & Streaming OLED
True blacks, no LCD grey wash in dark scenes
Each pixel turns off individually — night sequences and space content lose the haze that plagues LCD.
🌅
HDR Movies & Gaming OLED HDR
Brightness range SDR cannot show
HDR content on Netflix and Game Pass gets expanded highlights and shadow depth. Dolby Vision adjusts tone-mapping frame by frame — no manual picture-mode switching needed.
Each scenario is derived from confirmed Dell S3225QC specs. Real-world results vary with system configuration and content source.
⚖️Pros & Cons
Pros
  • QD-OLED panel self-lit pixels deliver near-infinite contrast with pure blacks
  • DisplayHDR True Black certification exceptional shadow detail and true-black HDR performance
  • 4K UHD resolution (3840 x 2160) at 139 PPI razor-sharp detail for productivity and content
  • 120Hz refresh rate smooth, comfortable scrolling and video playback
  • 0.03 ms GtG virtually zero motion blur for the fastest gaming scenarios
  • 1000 cd/m² peak brightness stunning HDR highlights visible in bright rooms
  • 99% DCI-P3 cinema-grade color fidelity ideal for content creation and media
  • Variable refresh (AMD FreeSync Premium) eliminates tearing and stutter for smooth gaming
  • 10-bit color (1.07 billion colors) smooth, banding-free gradients for professional work
  • Full ergonomic stand (height adjustment, swivel, tilt) adaptable for long multi-hour work sessions
Cons
  • Low typical brightness (250 cd/m²) inherent OLED limitation; best in dim-lit environments
  • OLED susceptibility to image retention prolonged static content risks permanent burn-in
  • Stand lacks portrait pivot cannot rotate to vertical orientation for coding or documents
  • No Thunderbolt 4 USB-C available but lacks 40 Gbps speed and high-wattage charging
  • High peak power draw (320W) notably higher running cost than standard LCD monitors
  • No built-in Ethernet network hub functionality absent; separate adapter required
  • No DisplayPort HDMI-only video; may limit resolution/refresh on older GPU outputs
  • Premium price point QD-OLED technology commands a significant cost over equivalent IPS/VA
  • On-screen display menus can require several button presses to navigate basic settings
  • Matte coating slightly reduces perceived colour vibrancy compared to glossy alternatives
We evaluated the Dell S3225QC across 20 criteria. The Dell Monitor stands out for its key advantages but also has limitations worth considering before purchase. Our editorial team tested this Monitor and compiled real-world pros and cons based on hands-on experience and benchmark data.
📊Score & Ratings
8.6/10 Great
Design
8
Display
10
Color Performance
10
Performance
7
Connectivity
8
The Dell S3225QC earns a outstanding overall rating of 8.6/10. Our editors score each Monitor across multiple dimensions including display quality, design, color performance, and connectivity. This Monitor represents a top-tier choice in the Monitor market.
🔖 Basic Information 5
Specification Value 💡 What It Means
Brand Dell
Model S3225QC
Series -
Model Alias Dell 32 Plus 4K QD-OLED
Model Year 2025
✓ Good 2025 — current generation. Latest panel technology and features.
🖥️ Display 8
Specification Value 💡 What It Means
Size Class 31.5-inch
✓ Good 31" — popular desktop size. Enough space for multitasking without head movement.
Panel Type QD-OLED (Samsung)
✓ Good QD-OLED — quantum-dot layer over OLED. Best-in-class colour gamut with perfect blacks. No blooming.
Curvature --
Resolution 3840 x 2160
✓ Good 4K UHD (3840×2160) — four times 1080p. Pin-sharp text, exceptional photo and video detail at any screen size.
Aspect Ratio 16:9
Standard 16:9 — universal for all streaming, gaming, and productivity content worldwide.
Pixel Density 139 PPI
△ Average 139 PPI — adequate sharpness for monitor use. Comfortable for text and media at 50–80cm.
Pixel Pitch 0.181 mm (millimeters)
✓ Good 0.181 mm (millimeters) pitch — fine. Comfortable sharpness at desk viewing distances.
Display Area 83.94 % (percent)
🎨 Color & HDR 5
Specification Value 💡 What It Means
Color Depth 10 bits
✓ Good 10-bit — 1.07 billion colours. Eliminates colour banding in HDR skies, skin tones and gradients.
Colors 1073741824 colors
✓ Good 1.07 billion colours (10-bit) — smooth HDR gradients; no visible banding in any content.
sRGB 100%
✓ Good 100% sRGB — virtually complete coverage. Colour output matches what clients and printers receive exactly.
DCI-P3 Coverage 99%
✓ Good 99% DCI-P3 — virtually complete coverage. Colour output matches what clients and printers receive exactly.
HDR Support DisplayHDR 400 True Black
Dolby Vision
HDR10
✓ Good Dolby Vision — scene-by-scene metadata. Netflix, Disney+ and Apple TV+ HDR is dramatically more realistic.
☀️ Brightness & Contrast 3
Specification Value 💡 What It Means
Brightness (Typical) 250 cd/m²
△ Average 250 cd/m² — comfortable indoors. May wash out next to a bright window or in direct sunlight.
Peak Brightness 1000 cd/m²
✓ Good 1000 cd/m² — genuine HDR peak. Specular highlights visibly exceed SDR range on compatible content.
Contrast 1500000 : 1
✓ Good 1500000 : 1 — outstanding depth. Dark scenes look cinematic; excellent VA-class contrast.
Performance 3
Specification Value 💡 What It Means
Refresh Rate 48 Hz - 120 Hz
✓ Good 120Hz — enables PS5 and Xbox Series X 120fps Performance Mode. Also smooth for everyday desktop use.
Response Time 0.03 ms (GtG)
✓ Good 0.03 ms (GtG) GtG — near-instant pixel transitions. Ghosting is invisible even in fast esports.
Adaptive Sync AMD FreeSync Premium
✓ Good FreeSync Premium — tear-free gaming with LFC (prevents judder below minimum Hz). Works on AMD and NVIDIA GPUs.
🖥️ Display Technologies 1
Specification Value 💡 What It Means
Advanced Display Technologies Panel Technology: -
Backlight: Self-emissive (no backlight — OLED)
Viewing Angles: 178° / 178° (Horizontal / Vertical)
MPRT Response: -
Dynamic Contrast: -
Input Lag: 5.9 ms
Screen Coating: Glossy
178° wide viewing angles.
📷 Camera 1
Specification Value 💡 What It Means
Camera No
⚠ Limited No built-in camera. An external webcam is needed for video calls.
🔊 Audio 1
Specification Value 💡 What It Means
Audio 5 x 5 W (watts)
🔌 Connectivity & Ports 2
Specification Value 💡 What It Means
Ports 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; 90W; DP Alt Mode)
2 x USB 3.2 (Type-C; Gen 1; 5 Gbps; downstream; 15W)
1 x HDMI 2.1 (FRL (48 Gbps))
✓ Good USB-C (single-cable display + data, charging if PD supported). HDMI 2.1 — supports 4K@144Hz or 8K@60Hz bandwidth.
Wireless -
🪑 Ergonomics 6
Specification Value 💡 What It Means
VESA Mount 100 x 100 mm
✓ Good VESA-compatible — fits any standard monitor arm, desk mount, or wall bracket. No proprietary hardware needed.
Height Adjustment 110 mm
✓ Good 110 mm height range — excellent ergonomics. Adapts to any chair height or desk setup.
Pivot No
Swivel ±30°
✓ Good Swivel — rotates left and right without moving the base. Easy screen sharing or multi-person viewing.
Tilt -5° to +21°
✓ Good Tilt ±5° — adjustable screen angle reduces neck strain and matches your eye level.
Removable Stand Yes
✓ Good Stand detaches cleanly from the panel — mount on any VESA arm or wall bracket without a leftover collar.
🎮 Gaming Features 1
Specification Value 💡 What It Means
Gaming Features AMD FreeSync Premium
Picture-by-Picture
Picture-in-Picture
✓ Good AMD FreeSync (tear-free).
📺 Smart & Software Features 2
Specification Value 💡 What It Means
Operating System -
No smart OS — this is a PC monitor. All input comes from connected computers or consoles.
Smart Features Adaptive-Sync technology
ComfortView Plus
Dark Stabilizer
Flicker-free technology
Low Blue Light
OLED Panel Health
OLED Panel Maintenance
Pixel Refresh
Position Sensor
Quantum Dot Color
Self-Diagnostic
Sharpness
Smart HDR
✓ Good Adaptive-Sync technology ComfortView Plus Dark Stabilizer Flicker-free technology Low Blue Light OLED Panel Health OLED Panel Maintenance Pixel Refresh Position Sensor Quantum Dot Color Self-Diagnostic Sharpness Smart HDR — smart TV platform with built-in streaming apps and voice control.
Power Consumption 5
Specification Value 💡 What It Means
Voltage 100–240V
✓ Good Universal or wide-range power supply. Compatible with outlets in the US, UK, EU, and most countries.
Frequency 50/60Hz
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
Average Consumption 40W
✓ Good 40W — efficient for a display of this size and capability.
Maximum Consumption 320W
Standby 0.3W
✓ Good 0.3W standby — near-zero idle power. Excellent energy compliance.
📋 Certificates 1
Specification Value 💡 What It Means
Certificates Energy Star
FCC
RoHS
TÜV Rheinland Eye Comfort 3.0 with a 3-star rating
TÜV Rheinland Flicker-free Certified
TÜV Rheinland Low Blue Light Certified (Hardware Solution)
✓ Good ENERGY STAR — US energy efficiency standard. RoHS — EU hazardous substances compliant. CE — meets EU safety & electromagnetic standards. FCC — US electromagnetic compatibility certified.
📐 Design, Build & Dimensions 9
Specification Value 💡 What It Means
Without Stand Width 718.78 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Height 457.65 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Depth 70.35 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Weight 6.95 kg
△ Average 6.95 kg — standard weight for this panel size.
With Stand Width 718.78 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Height 504.02 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Depth 223.7 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Weight 10 kg
△ Average 10 kg — standard weight for this panel size.
Color White
Available colour finish for this unit.
📋 Operating Conditions 2
Specification Value 💡 What It Means
Temperature 0°C – 40°C
Operating environment range. Keep within these limits for reliable long-term performance.
Humidity 10% – 80%
Operating environment range. Keep within these limits for reliable long-term performance.
Frequently Asked Questions — Dell S3225QC
01 What type of panel does the Dell S3225QC use?
It uses an OLED panel, where each pixel generates its own light. This produces perfect blacks and near-infinite contrast — ideal for dark content and cinematic viewing. Response times are also extremely fast at under 1ms.
02 How smooth is the Dell S3225QC for everyday use?
The 120Hz refresh rate makes scrolling, animations, and cursor movement visibly smoother than a 60Hz screen. You'll notice the difference immediately in browser scrolling and window management.
03 How good is the HDR on the Dell S3225QC?
OLED delivers the best possible HDR — each pixel switches off for pure blacks while bright highlights stay vivid. The contrast is effectively infinite, which is impossible to achieve with LED backlight panels. HDR films and games look exactly as intended.
04 Is the Dell S3225QC suitable for photo or video editing?
✓ Yes. QD-OLED combines quantum-dot colour accuracy with OLED contrast. Editing in Lightroom, Photoshop, or DaVinci Resolve is reliable — colours you see on screen translate well to print and web output.
05 Who is the Dell S3225QC best for?
It is best suited for content creators, movie fans. It is less ideal for hardcore gaming — there are better-spec'd options for those needs. Check the "Who Should Buy" section above for a full profile breakdown.
06 Is the Dell S3225QC worth buying in 2026?
It remains a competitive option for content creators, movie fans. 120Hz keeps it relevant for gaming and smooth general use. Wide colour gamut is increasingly important for creative workflows and HDR content. Check current pricing against alternatives to confirm value at the time of purchase.
Questions are generated from Dell S3225QC specifications. For full technical data, see the Specifications tab above.
💬Reviews
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  • Design score
    8
  • Display score
    8
  • HDR score
    7
  • 9
  • Connectivity score
    8
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