QHD Resolution Reference
QHD (2560x1440) resolution specs, pixel density calculator, aspect ratio breakdown, and side-by-side comparison with FHD, 4K, and other common display standards.
Resolution
2560 x 1440
Megapixels
3.69 MP
Aspect Ratio
16:9
Also Known As
1440p / WQHD
Pixel Density (PPI) Calculator
Enter your screen diagonal to see the PPI for QHD and nearby resolutions.
| Resolution | Pixels | PPI |
|---|
Resolution Comparison
| Name | Width | Height | Megapixels | vs QHD | Ratio |
|---|---|---|---|---|---|
| HD | 1,280 | 720 | 0.92 MP | -75% | 16:9 |
| Full HD | 1,920 | 1,080 | 2.07 MP | -44% | 16:9 |
| QHD (this) | 2,560 | 1,440 | 3.69 MP | — | 16:9 |
| QHD+ | 3,200 | 1,800 | 5.76 MP | +56% | 16:9 |
| 4K UHD | 3,840 | 2,160 | 8.29 MP | +125% | 16:9 |
| UWQHD | 3,440 | 1,440 | 4.95 MP | +34% | 21:9 |
| 5K | 5,120 | 2,880 | 14.75 MP | +300% | 16:9 |
Visual Scale — Relative Pixel Area
Each rectangle below is scaled proportionally to its total pixel count relative to QHD.
HD (1,280x720)
0.92 MP
Full HD (1,920x1,080)
2.07 MP
QHD (2,560x1,440)
3.69 MP
4K UHD (3,840x2,160)
8.29 MP
5K (5,120x2,880)
14.75 MP
QHD Quick Facts
- Total pixels:
- 3,686,400
- Pixel ratio vs 720p HD:
- 4x (Quad HD)
- Pixel ratio vs 1080p:
- 1.78x
- Pixel ratio vs 4K:
- 0.44x (2.25x fewer)
- Horizontal res.:
- 2560 px
- Vertical res.:
- 1440 px
- Standard refresh rates:
- 60 Hz, 144 Hz, 165 Hz, 240 Hz
- Common panel sizes:
- 24", 27", 32" monitors
- Typical use:
- Gaming, design, productivity
- VRAM recommendation:
- 6 GB minimum for 1440p gaming
Summary
QHD (2560x1440) resolution specs, pixel density calculator, aspect ratio breakdown, and side-by-side comparison with FHD, 4K, and other common display standards.
How it works
- The reference table lists the exact pixel count and megapixels of QHD (2560x1440) and related standards.
- Enter your screen diagonal (in inches) to calculate the PPI (pixels per inch) for each resolution.
- The aspect ratio section breaks down the 16:9 ratio shared by QHD, FHD, and 4K displays.
- The comparison table ranks resolutions by total pixels so you can see the step-up at each tier.
- All calculations run entirely in your browser — no data is sent anywhere.
Use cases
- Verify whether a monitor listed as QHD actually matches the 2560x1440 spec.
- Calculate PPI before buying a new display to judge sharpness at typical viewing distance.
- Compare QHD vs. 4K to decide whether the performance cost of 4K is worth it for your GPU.
- Understand the pixel budget when targeting QHD in game or application development.
- Explain to clients the visual difference between 1080p and 1440p content delivery.
- Quick reference during hardware procurement or IT asset planning.
Frequently Asked Questions
Last updated: 2026-06-11 ·
Reviewed by Nham Vu