Network - Wireless & Wired Connections

Help & troubleshooting for network issues, including connecting your device to your home Wi-Fi network, connecting to public networks, troubleshooting wireless issues & ethernet connections, and optimizing streaming performance.
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ramair02
Level 8

Slow Speeds on Roku TV vs. Tested on Phone

My TCL Roku TV (55S535) shows "Good" network connection and download speed of 37mbps. When I run Ookla speeedtest on my phone and stand right next to the TV, the speeds are 526mbps down / 394mbps up. 

Both devices are connected to the same network and have 5ghz connection. My home internet setup is an Orbi RBK50 mesh system. I have FiOS gigabit internet. This tv is 10 feet from the RBR50 main router. 

This causes issues when trying to direct play high bitrate movies & tv shows. Why is there such a stark difference in speed between the Roku TV and other wifi connected devices in my home?

Edit: From reading other threads:
- I have also tried various wireless channels with the same results.
- I connected to my phone's WiFi Hotspot and the Roku tested at 82mbps. WTH!?

- I have tried network connection reset from the advanced system settings menu

15 Replies
ramair02
Level 8

Re: Slow Speeds on Roku TV vs. Tested on Phone

I did some testing on my Roku devices around the house and they all have this same issue. I have tested the connection speed through the Roku Settings. I have also tested the speed on my Android phone using Ookla Speed Test standing next to each device.

Here are the results:

- Basement Roku TV: 37 mbps, Phone Speed Test: 526mbps

- Living Room Roku Ultra: 48mbps, Phone Speed Test: 364mbps

- Bedroom Roku TV: 22mbps, Phone Speed Test: 482mbps

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renojim
Level 21

Re: Slow Speeds on Roku TV vs. Tested on Phone

You're never going to see those speeds on a Roku.  What you're getting is plenty good for Internet streaming.  If you're not having any issues there's really no reason to check the speed.

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ramair02
Level 8

Re: Slow Speeds on Roku TV vs. Tested on Phone

Thank you for your reply.

I am having issues though. High bitrate 1080p and 4k files (which I stream through my Plex server) often have bitrates of 30mbp+ with spikes that can require double that amount. When I try to play high bitrate files on Roku, I often get the "server not fast enough" type error. I know it is not my Plex rig because I'm trying to direct play (not transcode) and my CPU & RAM are at low utilization when I get these errors. 

I'm not expecting 500mbps from my Roku devices, but I do expect to get around 100 or more. They are Wireless ac after all, right?

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atc98092
Level 21

Re: Slow Speeds on Roku TV vs. Tested on Phone

Sometimes the speed over WiFi is impaired by other wireless signals in the area. I'd first suggest trying a different channel. Since you mentioned .11ac, I'm assuming you're connected via 5 GHz. Make sure the channel number you select is below 49 or above 148. Roku devices don't work on DFS channels. 

Dan
Roku Stick (3600), Ultra (4640), Ultra (4670), Ultra (4800), Premiere (3920), Insignia 720p Roku TV, Sharp 4K Roku TV, Nvidia Shield, Windows 10 Pro x64 running Serviio and Plex on a wired Gigabit network.
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ramair02
Level 8

Re: Slow Speeds on Roku TV vs. Tested on Phone

Yes, I'm connected to 5ghz. I've tried different wireless channels. I'm on 48 now. Was on 36 earlier today. Similar speeds regardless.

What makes me believe this is a Roku issue is the tested Ookla Speed Tests when standing next to each Roku vs. the speed tests from Roku itself. Drastically different by hundreds of megabytes.

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renojim
Level 21

Re: Slow Speeds on Roku TV vs. Tested on Phone

I don't think the Roku Internet speed test really tells you anything about the speed you can get from your local server.  I don't know if Rokus support all possible channel widths, but have you experimented with that setting on your router?

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ramair02
Level 8

Re: Slow Speeds on Roku TV vs. Tested on Phone

Thanks for the thought.

 

I have 20/40 MHz coexistence disabled in my router settings, but that setting only affects 2.4 GHz. There are no channel width settings for 5 GHz

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Redmont3
Level 7

Re: Slow Speeds on Roku TV vs. Tested on Phone

Yes I just tried a Roku support chat to fix this same issue. I get 60mbps on my iPad standing next to my Roku Streming stick plus and on 5 tests of my Roku connection I get between 2 and 14 mbps. I don’t want to adjust any settings on my router because all other wifi devices in the house work fine when we use them. There does not seem to be any answer 

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ramair02
Level 8

Re: Slow Speeds on Roku TV vs. Tested on Phone

Agreed. I also tried to fix through Roku Support, but they told me it is an ISP issue and I should contact them. It clearly is not an ISP issue. Every other device in my home get great speeds. This is becoming more clear that it is a Roku issue. 

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