What TV connections do you need for gaming?

THE SHORT ANSWER

Begin with the signal you actually want: 4K at 60Hz, 4K at 120Hz, variable refresh, automatic low-latency mode, or return audio to a soundbar. Verify each link in the path rather than trusting an HDMI label by itself.

Worth considering when

Console players, PC gamers, and households adding a TV to an existing receiver, soundbar, capture device, or mixed HDMI setup.

Skip the purchase if

You have not listed the source devices, the desired frame rate, the audio route, and which device currently sits between the console and TV.

Research-based guidance. We have not hands-on tested these products.

Compare the connection path

Published specifications and editorial fit notes. See the linked sources below.
Path	What it can cover	What to verify
Standard 4K path	4K output at the source's supported refresh rate	TV input mode, source output, cable, and the exact port's published limits
High-frame-rate gaming	4K/120Hz where the console, game, TV input, and cable all support it	A port that claims 4K/120, an Ultra High Speed HDMI cable, current firmware, and direct-path troubleshooting
TV plus soundbar	Video to the TV and return audio through eARC where supported	Which TV port is eARC, which soundbar input is eARC/ARC, and whether a receiver or switch interrupts the path

Name the target signal first

Do not shop from the phrase HDMI 2.1 alone. Write down the result you want: 4K at 60Hz, 4K at 120Hz, VRR, ALLM, HDR, or a particular audio format. HDMI's own feature guidance separates these capabilities, and product implementations can expose only some of them. The TV manual and the source-device manual are the authority for the exact port and mode.

A PlayStation 5 is a useful concrete example: Sony says the console supports HDMI 2.1 and 4K 120Hz output, but it also tells users to check whether the TV claims 4K/120, use the appropriate HDMI port, update firmware, and use the included or Ultra High Speed cable. That is an end-to-end requirement, not a promise that every port on every TV does the same thing.

Sources: HDMI Forum: HDMI 2.1 features including 4K/120, VRR, ALLM, and eARC · PlayStation support: adjust PS5 4K resolution and troubleshoot 120Hz

Count the real ports and the middle boxes

Make a list of every source: console, PC, streaming box, disc player, receiver, soundbar, and capture device. Then draw the physical order of the connections. A TV may have several HDMI sockets but reserve its highest-bandwidth or eARC feature for specific ports. A receiver, switch, or capture device in the middle can also limit the signal even when the TV and console support it.

For a new 4K/120 console path, start with the console directly connected to the TV's documented compatible input. Once that works, add the receiver, switch, or capture device one piece at a time. Keep the spare port count in the decision: a TV that technically supports the feature may still be awkward if the one suitable input is occupied by another device.

Sources: PlayStation support: adjust PS5 4K resolution and troubleshoot 120Hz · HDMI Licensing Administrator: cable guidance for high-bandwidth features

VRR and ALLM are features to verify, not decorations

HDMI describes Variable Refresh Rate as allowing a graphics processor to present frames as they are rendered, which can reduce stutter and tearing when the source and display support it. Auto Low-Latency Mode lets a source signal the display to switch into a low-latency mode. Sony's PS5 guide says VRR and ALLM depend on a compatible TV, the correct settings, and supported games or output conditions.

Check the exact TV input menu after connecting the source. Record the console's reported resolution, refresh rate, VRR state, and HDR state. A cable can carry a lower mode and still look functional, so the presence of a picture is not proof that the requested 4K/120 or VRR path is active.

Sources: HDMI Forum: HDMI 2.1 features including 4K/120, VRR, ALLM, and eARC · PlayStation support: adjust PS5 4K resolution and troubleshoot 120Hz · PlayStation: PS5 features including VRR and ALLM

Route audio deliberately

Enhanced Audio Return Channel is a TV-to-audio path, not a gaming frame-rate feature. HDMI says eARC supports advanced audio formats and device control. If the console goes into the TV, connect the soundbar or receiver to the TV's documented eARC port and confirm the TV's audio-output setting. If a receiver handles the console first, verify that receiver's video and audio limits before assuming the TV is the only constraint.

After installation, test a game with headphones or speakers, a streaming app, and a console menu. Check for lip-sync, audio dropouts, volume control, and whether the TV falls back to ARC or stereo. Save the working cable and port map so a later firmware update or rearrangement can be diagnosed without guessing.

Sources: HDMI Forum: HDMI 2.1 features including 4K/120, VRR, ALLM, and eARC · PlayStation support: adjust PS5 4K resolution and troubleshoot 120Hz

Before you buy

Write down the target mode: 4K/60, 4K/120, VRR, ALLM, HDR, and required audio.
Confirm the exact TV port, source output, cable rating, and firmware for that mode.
Connect a new high-frame-rate console directly to the TV before adding a receiver or switch.
Check the source's reported resolution, refresh rate, VRR, HDR, and low-latency state.
Use the documented eARC ports and test game audio, streaming audio, volume control, and lip-sync.

Sources & limits

What remains untested: The HDMI Forum, HDMI Licensing Administrator, and Sony documentation establish feature definitions and PS5 connection guidance; they do not validate any specific TV model, receiver, switch, cable run, game, or firmware combination. No hands-on latency, 4K/120, VRR, HDR, eARC, audio-sync, or compatibility test was performed. Regional ports and menu names vary; check the exact manuals.

Source review: September 8, 2026. Specifications can change; confirm the exact model and current seller terms. These direct source and manufacturer links earn Shopvisory no commission.

How we research these guides →