Explainer · Monitors
1440p vs 4K monitor: which resolution should you buy?
4K is sharper and better for work and consoles. 1440p runs faster on the same GPU and costs less. The right answer depends on screen size, GPU, and what you do.
1440p (2560 x 1440) and 4K (3840 x 2160) are the two resolutions most people choose between in 2026. 4K looks sharper; 1440p is easier to run and cheaper at the same refresh rate. The deciding factors are screen size, your GPU, and how much you read text.
Pixel density by screen size
| Size | 1440p | 4K | 5K |
|---|---|---|---|
| 24-inch | 122 ppi | 184 ppi | — |
| 27-inch | 109 ppi | 163 ppi | 218 ppi |
| 32-inch | 92 ppi | 138 ppi | — |
At normal desk distance, most people see pixel structure in text below about 110 ppi and find text crisp above about 140 ppi. That is why 27-inch 1440p looks fine in games but slightly soft in documents, and why 32-inch 1440p looks coarse.
Gaming: frame rate vs sharpness
4K pushes 2.25 times as many pixels as 1440p, so the same GPU delivers roughly half the frames in demanding games without upscaling. For competitive shooters at 240Hz and above, 1440p is the better match for most hardware. For single-player games on a high-end card, 4K at 120Hz or more looks noticeably better.
Work and Macs
For text, 4K is clearly better. On a Mac, 27-inch 5K is ideal for macOS's 2x scaling, 4K is acceptable, and 1440p looks soft because macOS does not use subpixel text smoothing.
Which should you buy?
- Competitive gaming on a mid-range GPU: 27-inch 1440p at 240Hz or more.
- Mixed gaming and work, strong GPU: 27 or 32-inch 4K.
- PS5 or Xbox Series X: 4K with HDMI 2.1.
- Mac: 27-inch 5K, or 4K on a budget.
Questions we get
Is 4K worth it over 1440p on a 27-inch monitor?
For work, yes: 27-inch 4K is about 163 ppi against 109 ppi for 1440p, so text is visibly sharper. For gaming on a mid-range GPU, 1440p gives much higher frame rates. If you do both and have a strong GPU, 4K with upscaling is the better all-round choice.
How much harder is 4K to run than 1440p?
4K has 2.25 times as many pixels as 1440p (8.3 million vs 3.7 million), so without upscaling expect roughly half the frame rate in GPU-limited games. Upscalers like DLSS and FSR render at a lower resolution and close much of the gap.
Which is better for PS5 and Xbox?
4K. Both consoles target 4K TVs and support 4K at up to 120Hz over HDMI 2.1. They also output 1440p, so a 1440p monitor works well, but many games look their best at 4K.