The cable you need depends on your ports and resolution target: use DisplayPort for PC gaming, HDMI for TVs and consoles, DVI only for older monitors, and avoid VGA unless nothing else is available.
- Your GPU and monitor share a matching port type
- You use DisplayPort 1.4+ or HDMI 2.0+ for 4K
- You choose Dual Link DVI for resolutions above 1080p
- You use digital connections (HDMI, DP, or DVI) over VGA
- You use Single Link DVI above 1920×1200
- You expect HDMI 2.1 speeds from an older GPU
- You rely on VGA for 4K or high-refresh-rate output
- You mix passive adapters where active ones are required
Quick Comparison: HDMI vs DisplayPort vs DVI vs VGA
| Setup | Works? | Need | Note |
|---|---|---|---|
| 4K 60 Hz gaming (PC) | Yes | DisplayPort 1.4 or HDMI 2.0 | DP preferred for multi-monitor |
| 4K 120 Hz gaming | Yes | HDMI 2.1 or DP 1.4 (DSC) | Check GPU support first |
| Console to TV | Yes | HDMI 2.0 or 2.1 | Most TVs lack DisplayPort |
| Older 1080p monitor | Yes | DVI-D Single Link or HDMI | DVI carries no audio |
| Legacy CRT or projector | Yes | VGA | Analog only, quality loss |
| 4K via VGA | No | — | VGA tops out well below 4K |
HDMI: Best for TVs, Consoles, and Everyday Use
HDMI is the most universal option. HDMI 2.0 handles 4K at 60 Hz and carries audio over the same cable. HDMI 2.1 steps up to 4K at 120 Hz or 8K at 60 Hz, but your GPU must also support 2.1 — the cable alone is not enough. If you are connecting a PlayStation, Xbox, or streaming device to a TV, HDMI is almost always the correct choice.
If you are working with a USB-C port and need HDMI output, see our guide on whether USB-C can connect to HDMI for adapter and cable options.
DisplayPort: Best for PC Monitors and High Refresh Rates
DisplayPort 1.4 supports up to 8K and handles high-refresh-rate panels (144 Hz, 165 Hz, 240 Hz) without compromise. It also supports daisy-chaining multiple monitors from one port. For a dedicated gaming PC with a modern GPU, DisplayPort is the strongest choice. DisplayPort 2.1 pushes bandwidth even further for next-generation displays.
VESA’s certified cable list is a reliable starting point when buying DisplayPort cables to avoid bandwidth-limited knock-offs.
DVI: Only If Your Monitor Has No Other Option
DVI-D Dual Link maxes out at 2560×1600 at 60 Hz. It carries no audio. Single Link DVI caps at 1920×1200, so check which version your cable and ports support before buying. DVI is a legacy standard — if your monitor also has HDMI or DisplayPort, use those instead.
VGA: Avoid for Modern Setups
VGA is an analog signal. It degrades over longer runs, cannot carry audio, and tops out well below 4K. Use it only when no digital port is available, such as connecting to a very old projector or CRT monitor. For anything modern, it is the last resort.
USB-C and Alternate Mode
Many modern laptops and phones output video over USB-C. Whether that works depends on the port — not all USB-C ports carry video. Check our article on whether USB-C supports video before buying an adapter.
Which Cable Should You Buy?
- PC gaming monitor: DisplayPort 1.4 cable
- TV or console: HDMI 2.0 or 2.1 cable
- Older 1080p monitor: HDMI or DVI-D Dual Link
- Legacy display only: VGA as a last resort
Bottom line: Match the cable to the ports on both ends, then confirm it supports your target resolution and refresh rate. DisplayPort wins for PC monitors; HDMI wins for TVs and consoles. Skip VGA unless you have no other option, and always choose Dual Link over Single Link if you go with DVI.