Blog / By James West / Last updated:

πŸ“± What is My Screen Resolution

Professional real‑time analyzer: DPR, color depth, viewport & HiDPI insights.

πŸ–₯️ Screen Resolution Test

β€” x β€”
Screen Width
β€”
Screen Height
β€”
Total Pixels
β€”
DPR (Device Pixel Ratio)
β€”
Color Depth
β€”
Bit Depth
β€”
πŸ“Œ Browser Viewport
Width: β€” px | Height: β€” px

πŸ”¬ Pixel Density & DPR Deep

Pixel Density (PPI)
β€”
Diagonal (approx)
β€”
CSS Logical Res
β€”
Aspect Ratio
β€”
πŸ“ Device Pixel Ratio: β€”
β€”

πŸ“Š Standard Display Resolutions

NameDimensionsUse Case
720p HD1280Γ—720Budget TVs
1080p Full HD1920Γ—1080Standard monitors
1440p QHD2560Γ—1440Gaming / Premium
4K UHD3840Γ—2160High-end TVs

🎨 Color Depth & Subpixel Tech

Your screen supports β€”-bit color β†’ β€” million colors.

πŸ’‘ Reference pixel (W3C): 1px = 0.26mm at 96dpi / 28 inches.

πŸ“Ί Evolution: CRT β†’ OLED β†’ MicroLED

Your current panel tech: β€”

Pixel Density Range
β€”
Retina Class
β€”
Blog / By James West / Last updated:

πŸ“± What is My Screen Resolution

Professional real‑time analyzer: DPR, color depth, viewport & HiDPI insights.

πŸ–₯️ Screen Resolution Test

β€” x β€”
Screen Width
β€”
Screen Height
β€”
Total Pixels
β€”
DPR (Device Pixel Ratio)
β€”
Color Depth
β€”
Bit Depth
β€”
πŸ“Œ Browser Viewport (usable area without toolbars)
Width: β€” px | Height: β€” px

πŸ”¬ Pixel Density & DPR Deep

Pixel Density (PPI)
β€”
Diagonal (approx)
β€”
CSS Logical Res
β€”
Aspect Ratio
β€”
πŸ“ Device Pixel Ratio: β€” β†’ Physical pixels per CSS pixel. Your device uses β€” hardware pixels for each CSS pixel.
β€”

πŸ“Š Standard Display Resolutions

NameDimensionsUse Case
720p HD1280Γ—720Budget TVs
1080p Full HD1920Γ—1080Standard monitors
1440p QHD2560Γ—1440Gaming / Premium
4K UHD3840Γ—2160High-end TVs
Your current resolution: β€” β€” aspect ratio β€”

🎨 Color Depth & Subpixel Tech

Your screen supports β€”-bit color β†’ β€” million colors. (Truecolor 24-bit typical).
Modern OLED/LCD benefit from high DPR and wide color gamut.

πŸ’‘ Reference pixel (W3C): 1px = 0.26mm at 96dpi / 28 inches. HiDPI uses DPR to maintain readability.

πŸ“Ί Evolution: CRT β†’ OLED β†’ MicroLED

From cathode-ray tubes to quantum dot displays. Your current panel tech: β€”.

Pixel Density Range
β€”
Retina Class
β€”