Yes, 5GHz is generally better for streaming because it offers faster speeds and less interference, crucial for HD/4K content, but it has a shorter range and struggles more with walls; 2.4GHz offers better range and wall penetration but with slower speeds, making 5GHz ideal when close to the router for bandwidth-heavy tasks and 2.4GHz better for distance or less demanding activities.
In terms of 2.4 vs 5 GHz speed, the 5 GHz band has a significant advantage. It offers higher data transfer rates, which means faster loading times and smoother streaming experiences. This is why it's often preferred for activities requiring high bandwidth, such as gaming or streaming HD videos.
Disadvantages include the 5GHz band having a shorter range, which means it consequently struggles to penetrate solid objects, making it less effective in large homes or buildings with many walls. Additionally, not all IoT devices support 5GHz, particularly older or low-cost models, which can limit its adoption.
The reduction in latency in 5G is critical for interactive applications such as online games and video conferencing, but it will also have a significant impact on streaming television, providing a smoother and more responsive interaction.
Use 2.4 GHz for longer reach and simpler devices farther from the router (including many IoT devices), and use 5 GHz when you're closer to the router and want faster performance for things like streaming and gaming.
Yes, 5GHz Wi-Fi can go through walls, but its range and ability to penetrate walls are generally less effective compared to 2.4GHz Wi-Fi.
A 5G connection typically provides more than enough bandwidth to stream movies and TV shows in HD, 4K, and even 8K resolution, depending on the strength of your connection. For 4K streaming, you need a minimum of 25 Mbps, which is well within the range of low-band or mid-band 5G speeds.
To get the most out of film night in your living room on your 4K Ultra HD Smart TV, the 5GHz option will make it smooth and buffer-free. But if you're watching from a bedroom in the far corner of the house, 2.4GHz will be more stable (though it might pixelate from time to time).
While the 5Ghz should be faster not slower, the signal propagation will be weaker (can't get through walls as well, and such). So yes, if you don't ever use it, you may as well turn it off.
Disadvantages of 5G Technology:
If you want better range, use 2.4 GHz. If you need higher performance or speed, use the 5GHz band. The 5GHz band, which is the newer of the two, has the potential to cut through network clutter and interference to maximize network performance. Which means this band will be better for things like reducing game lag.
Some older devices have difficulty connecting when given a choice. You can try splitting the 2.4/5.0 frequencies. Might help. You can have both at the same time but they need different network names.
Both 2.4 GHz & 5 GHz frequencies are non-ionising radiation (they cannot break molecular bonds), yet further research may be needed to give conclusive evidence one way or the other [6][7] on the human body.
Combined SSID:
Offers a 2.4 GHz and 5 GHz Wi-Fi network, broadcasts both on the same network name. The router and device will automatically choose what band to use based on connection and capabilities of the device.
Streaming video requires a minimum internet speed of 12 Mbps. For live TV streaming or high-definition video, you'll want at least 25 Mbps. The faster your internet connection, the less trouble you'll have with your streaming. Fiber-optic and cable internet connections are your best bets for streaming.
Internet speeds
You can benefit the most from a 5GHz band if you stream in 4K, game online or conduct video conferencing. These fast speeds are due to the 5GHz technology's ability to transmit higher data rates.
Range and Coverage
The reason is that lower wireless frequencies pass through walls and furniture better than higher ones. For example, a 2.4GHz signal drops by 70 percent when going through drywall, compared to 90 percent for 5GHz. For a brick wall, it's a 63 percent drop at 2.4GHz and 83 percent at 5GHz.
Final Thoughts. For most users, using the same SSID for both 2.4GHz and 5GHz Wi-Fi bands leads to a better, more seamless experience. It allows devices to switch automatically, reduces complexity, and ensures optimal network performance.
If you're able to use most of your devices near your router, 5 GHz is your best choice to take advantage of higher speeds. Similarly, if you're doing a lot of high-bandwidth activities online, such as gaming or videoconferencing, it's best to use this frequency and move as close as possible to the router.
The main cons of 5G Wi-Fi (cellular home internet) are coverage limitations, especially in rural areas, and signal inconsistency due to obstructions like buildings or weather, leading to variable speeds. Other drawbacks include potential data caps on some plans, higher latency for gaming/video calls compared to fiber, and reliance on nearby cell tower infrastructure, making it less ideal as a permanent primary connection if fiber is available.
For tasks requiring high bandwidth close to the router, like streaming or gaming, use 5 GHz; for broader coverage, 2.4 GHz is preferable. The 5 GHz Wi-Fi band is less congested, offering a clearer channel and less interference, which is ideal for environments with many networks.
Network requirements vary between TVs and are listed in the user manual. As an example, certain 2018 models (NU6***, NU71**, NU72**, and NU73**) only support 2.4Ghz networks. They cannot detect or connect to a 5Ghz network. If your network is compatible, check the settings.
It's usually recommended to have a minimum internet speed of 25Mbps for 4K streaming. So 100Mbps would be great for 4K streaming and leave you with bandwidth to spare for other devices in the home.
Though 5G home internet can typically deliver broadband speeds between 40 and 300 Mbps, it comes with trade-offs such as higher latency, variable signal strength and reliance on cellular technology.
For 4K streaming, pick a fiber broadband plan or high‑end cable/5G tier with at least 50 Mbps. Fiber's symmetrical speeds and low latency ensure smooth playback. If fiber isn't available, select the fastest cable or wireless plan with unlimited data and a router that supports high throughput.