New 2021 Mecool KM6 Classic Amlogic S905X4 Android 10 Q 4K TV Box

Mecool KM6 Classic Amlogic S905X4 Android 10 Q 4K TV Box

Well hello Amlogic S905X4 and welcome to the TV box community. Today I’m happy to review the Mecool KM6 classic Amlogic S905X4 TV box, and this model runs on 2GB of RAM and 16GB of internal storage. This is the first time… Well the second time the first time was the Ugoos KM6 produce model, and this is the second time I am excited to review a 2GB 16GB model and not bored during the entire review. Reason being that even though it has limited RAM and internal storage the performance of the box exceeds every Amlogic S905X3 TV box I have tested to date. This rings the bell signaling to the streaming community that we are entering into a new era of TV boxes and we can expect a boost in performance going forward. While all this hype is good there is still some disappointment to go around where there are still some stubborn issues that this new model has not yet overcome. I still see that they are choosing to format their hardware in 32bit architecture it’s clear that the hard way is a 64 bit. The other issue is Dolby true HD still have not been correctly implemented to facilitate receivers or users that would like to produce this audio format. Nonetheless I am still grateful and praising the high heavens that Mecool did a great job and it did not mess it up like the Allwinner manufacturers did in early 2020.

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Mecool KM6 Classic in the box

Hardware Specs

  • CPU – Amlogic S905X4 2.0GHz
  • GPU – Mali G51
  • RAM – 2GB LPDDR3
  • Internal Storage – 16GB eMMc
  • Wi-Fi – Dual-Band 2.4GHz + 5GHz
  • LAN – RJ45 100Mbps
  • Bluetooth – 4.2

Mecool KM6 Classic system info

Mecool KM6 Classic CPU info

IO Ports

  • 1 HDMI 2.1
  • 1 USB 3.0
  • 1 USB 2.0
  • 1 RJ45 LAN 100Mbps
  • 1 AV
  • 1 Micro SD TF
  • 1 DC Input

Mecool KM6 Classic rear ports

Mecool KM6 Classic side ports

Mecool KM6 Classic base vents

Mecool KM6 Classic LED power light


  • Antutu – 85,561
  • Geekbench 4 – 848 Single-Core | 2,461 Multicore
  • Ice Storm Extreme – 6,009
  • Slingshot – 508
  • Slingshot Extreme Vulkan – 371
  • RAM Copy – 3,278 MB/s
  • Internal Storage – 71 MB/s read | 24 MB/s write
  • Wi-Fi – 100% on 5GHZ Band | 2.4GHz 26%
  • LAN – 73% 100 Mbps

Mecool KM6 Classic Antutu Benchmark


  • Amlogic S905X4 4X CPU 2.0GHz Mali G31
  • Android TV OS 10Q
  • DRM Support for Premium streaming services
  • Not Rooted
  • HDR display
  • High benchmarks
  • Max bandwidth on 5GHz Wi-Fi band
  • Alternative launchers/wallpapers work
  • Chromecast/Google Assistant
  • Kodi/APK streaming in HD/4K
  • Good 4K HDR video playback
  • YouTube in 4K HDR
  • Dolby Atmos/DTS-X/HD MA/THX
  • Bluetooth works OK
  • Good 3D gaming with gamepad keymapping

Mecool KM6 Classic Launcher

RKM MK25 IR Remote

Mecool KM6 Classic Dolby Atmos


  • Not Rooted
  • No 64bit ABIs
  • Android TV OS – sideloading required lots of popular apps
  • No Netflix ESN certification
  • No screen rotation to portrait mode
  • Temperature sensor turned off
  • No Dolby True HD
  • 2.4GHz Wi-Fi 26%

Mecool KM6 Classic pros and cons

Final thoughts

So am I excited? I surely am. It has been a long and difficult year for manufacturing and we had to endure the likes of the Allwinner models and the onslaught of numerous  S905X3 models with no major improvements. Amlogic continues to be the leader in TV box hardware in relation to performance and durability. With the release of the new S905X4 CPU with AV1 decoding, we are getting closer and closer to having the features and performance we need to truly claim that we have a TV box that delivers on features enjoyed on a premium of models such as the Nvidia shield and the fire TV models at a fraction of the cost. I would’ve really liked to see the inclusion of 64bit ABIs and Dolby true HD support but who knows maybe another developer will get it right. Until then you wait.

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