The AMD Radeon RX 6600 XT is an Ethereum miner’s dream producing 32 MH/s using only 55 watts. I have recently bought 3 of these and look to invest in more due to the efficiency of the cards and they keep temperature really well.

Personally, I love these cards as there is no need to BIOS update like other AMD cards and the thermals in my small GPU farm are fine – 23 cards and growing.

These cards are all close in terms of performance, so at this point I think it all depends on price and avoiding scalpers.

Ethereum miners have been drawn to NVIDIA’s GeForce RTX 30 series cards, but AMD now has a compelling option in the shape of the Radeon RX 6600 XT. The Navi 23 card is twice as efficient as a GeForce RTX 3060, thanks to a 32 MH/s hash rate.

If you need some overclocks – here are mine on HiveOS but you should be able to get these even better by editing the VDD, please only do so in small increments at your own risk.

Mining Overclocks

Well know that the merge is coming closer and closer, I am going to start updating overclocks to include more coins. My favourite is flux because of the possibilities with Web 3. Loads more to come on this so check out some of my other posts.

Flux

Next in this section is overclocks, Flux gets 22.6 Sol/s at 50 watts in HiveOS.

  • Core Voltage (VDD): 740
  • Core Clock (CClock): 1800
  • Memory Clock (MClock): 1134
  • Fan Speed (%): 70% ± based on your temps.

Ethereum

RX 6600 XT Ethereum Mining Overclocks:

  • Core Voltage (VDD): 640
  • Memory Controller Voltage (VDDCI): 620 (HiveOS)
  • Core Clock (CClock): 965
  • Memory Clock (MClock): 2270 or 1135
  • Fan Speed (%): 70% ± based on your temps.

Kawpow – Ravencoin

RX 6600 XT KawPow Mining Overclocks:

  • Core Voltage (VDD): 640
  • Memory Controller Voltage (VDDCI): 620 (HiveOS)
  • Core Clock (CClock): 1425
  • Memory Clock (MClock): 2270 or 1135
  • Fan Speed (%): 70% ± based on your temps.

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My Choice

Sapphire Technology Pulse AMD Radeon RX 6600 XT Gaming Graphics Card 

PowerColor Fighter AMD Radeon RX 6600 XT Gaming Graphics Card 

ASUS Dual AMD Radeon RX 6600 XT OC Edition 8GB GDDR6 Gaming Graphics Card 

Ethereum 32 MH/s - DPM 1
Core Clock (CClock): 680
Memory Clock (MClock): 1120
Fan Speed (%): 70% ± based on your temps.

Ethereum 32 MH/s - DPM 1
Core Clock (CClock): 680
Memory Clock (MClock): 1120
Fan Speed (%): 70% ± based on your temps.

Ethereum 32 MH/s - DPM 1
Core Clock (CClock): 680
Memory Clock (MClock): 1120
Fan Speed (%): 70% ± based on your temps.

According to initial mining tests, the Radeon RX 6600 XT manages 32 MH/s at 55 W when mining Ethereum, which still remains popular among crypto miners. To put those figures in perspective, the Radeon RX 6600 XT is about twice as efficient as the NVIDIA GeForce RTX 3060. In our opinion, the Radeon RX 6600 XT could become the most efficient crypto mining card of the RDNA 2 generation. The same should be the case for Ampere cards, too.

While we do not have any Radeon RX 6600 XT cards to hand, a video by Dizzy Mining has demonstrated that these values are achievable. By default, the RX 6600 XT will reach 28 MH/s while consuming 93 W. Dropping the GPU clock speed to 1.2 GHz and increasing the memory clock to 2.2 GHz improves the hash rate to 32 MH/s at 55 W, though.

Hence, the card could end up being a popular option for mining farms, which may push up prices. The Radeon RX 6600 XT is a good choice for 1080p gaming, too, with its Navi 23 GPU, 32 MB of Infinity Cache and 8 GB of GDDR6 VRAM running on a 128-bit interface.

Please also check out our 6600 XT Rig Build with a full breakdown of building a rig with 4 of these cards, ideal for beginners but do your own research as always. Check out some of our rig builds, including parts, build instructions and overclocks:-

Our Mining Rig Builds

GPU Reviews

Finally, please check out some more of our graphics card reviews.

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