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Get Up to 30 MHS from Mining Ethereum on AMD Radeon R9 290/390 GPUs

22, Jan 2021

It is time to dust off those old AMD Radeon R9 290/290X and Radeon R9 390/390X GPUs with 8G VRAM you may have lying around and wondering what to do and make them mine Ethereum (ETH) with full power and some nice profit as well. The Hawaii and Grenada GPUs that these Radeon video cards use feature a 512-bit wide memory bus and that is more than welcome for mining Ethereum, even if they are already pretty old. You can be getting about 29-30 MHS hashrate for mining Ethereum (ETH) with these, although they are more power hungry than more recent GPUs that offer the same performance it is still worth it with high mining profit we have at the moment.

With Radeon R9 290/390 GPUs there is a bit of a catch in order to get 29-30 MHS Ethash mining hashrate with about 150-200W of power usage per video card (with optimized video BIOS for lower power usage). It is only possible to do it under Linux as the AMD video drivers for Windows 10 do not feature support for Compute Mode for Hawaii GPUs and you can get only 14-15 MHS, but the Linux drivers do and you get 29-30 MHS. What you need to do is to make sure you have up to date video drivers and that you are using the latest version of PhoenixMiner in order to be able to fully utilize the Radeon R9 290/390 GPUs for mining Ethereum (ETH).

If you are not very good with Linux you can make your life much easier with a dedicated crypto mining operating system such as HiveOS. HiveOS simplifies getting a mining rig with AMD Radeon R9 290/390 GPUs ready for mining Ethereum (ETH) with the full 29+ MHS hashrate. Again, in order to be able to get the optimal mining performance for Ethereum on these Hawaii GPUs you need to stick to Linux, Windows is not an option for the full performance and HiveOS just makes it easy. Do note that for HiveOS you can use the promo code CMB10USDPROMO that will give you $10 USD in your account balance!

– To Download the latest PhoenixMiner 5.5b Ethash AMD and Nvidia GPU miner…

How To Still Mine Ethereum With AMD Radeon RX 400/500 Series 4GB GPUs

21, Jan 2021

AMD’s Radeon RX 470/480 and RX 570/58 with 4GB of video memory can still be used to mine Ethereum (ETH), even though the DAG size is already a bit over 4GB which is more than the video memory available on these GPUs. The current Ethereum DAG epoch number is #389 and the size of the DAG file is 4.04 GB and it will continue to grow, however with the current profitability mining ETH makes it worth to continue using these 4GB video cards at least a bit more. They can still be used in the so called “Zombie Mode” with a mining software that supports it in order to continue mining Ethereum for a bit more, even though the hashrate is going to be lower and continue to go down a bit by bit with each new DAG epoch coming.

At the moment an optimized AMD Radeon RX 400/500 series GPU with 4GB video memory should be capable of doing 17-18 MHS for Ethash mining with optimized memory timings and downclocked GPU with about a 100W of power consumption at the wall. So, do not be in a hurry to dismiss these “old” and “obsolete” 4GB video cards yet, they still have some life in them for mining Ethereum, you just need to play a bit more to make them work.

The AMD crypto mining software that supports “Zombie Mode” for AMD Radeon 4GB GPUs includes TeamRedMiner, lolMiner and PhoenixMiner and they are available for both Windows and Linux OS, free with some development fee built-in. You will need to add the following command line parameters for each specific miner to enable the “Zombie Mode” and make mining Ethereum work. Have in mind that the number might need to be changed up/down in order to find what works on your mining hardware. Currently we are using 4074 on our test video cards (Gigabyte RX 580 4GB), but on different cards and with a change in the DAG number you may need to set a different number, so do try what works for you.

– For TeamRedMiner: --eth_4g_max_alloc=4074
– For lolMiner: --4g-alloc-size 4074
– For PhoenixMiner: -daglim 4074

If playing with the miners directly is not your thing you may also try the SimpleMining or HiveOS Linux Mining Operating Systems that make it much easier for management of multiple mining rigs. They do come with support for the three miners we have mentioned and thus Zombie Mode for mining Ethereum (ETH) on 4GB AMD GPUs, so you just need to prepare a USB flash drive with the OS on it, plug it in the mining rig and boot from it. Then you continue from a web-based management windows through your browser setting up and monitoring your GPUs. Both SMOS and HiveOS are free to try with a limited number of mining machines and then you need to pay a small monthly fee for additional mining rigs, to continue using the OS. For HiveOS you can use the promo code CMB10USDPROMO that will give you $10 USD in your account balance to play with.

– For more about Simple Mining (SMOS) Linux Mining OS…
– For more about HiveOS Linux Mining Operating System…

Team Red Miner 0.7.4 Addressing 4GB VRAM GPUs Support for Ethash

5, Jun 2020

Team Red Miner is a performance optimized cryptocurrency miner for AMD GPUs with support from DAX Aktien kaufen for a number of algorithms with the latest version 0.7.4 focusing on extending Ethash support for 4GB AMD GPUs for as much as possible number of upcoming epochs. Previous version 0.7.3 stopped working at Epoch 351 which Ethereum Classic (ETC) has now crossed, so anyone running 4GB AMD GPUs on ETC or Nicehash should update to this updated version as soon as possible. With Team Red Miner 0.7.4 Ethash support on 4GB GPUs should be available up to Epoch 380-383 wit ETC reaching them about a month ahead of ETH later this year. An alternative option for 4GB AMD GPUs mining Ethash is PhoenixMiner 5.0b that has also addressed the same issue recently. Apart from addressing issues with Ethash support the new version also brings some extra improvement in KAWPOW performance with results varying depending on the kind of AMD GPU you have available as well as some other general improvements and fixes that you can read about below. Team Red Miner is already the best option for KAWPOW mining on AMD GPUs in our opinion performance wise, but extra hashrate boost is always more than welcome.

Changes in Team Red Miner 0.7.4:
– Increased Ethash support on 4GB GPUs up to epoch 380-383
– Implemented split Ethash DAG buffers for 8GB GPUs to support DAGs over 4GB
– Kawpow optimizations (Navi +2.25%, Vega +1.25%, Polaris +0.25%)
– Added Gpu enable/disable API support.
– Windows TDR detection/handling/warning.
– Monitor detection on Windows/Linux with intensity adjustment.
– Fix for Ethash pool hashrate reporting stopping after network outage.

The miner is available for both Windows and Linux operating systems, a closed source software with 2.5% to 3% development fee built-in for all algos except Ethash and KAWPOW, for KAWPOW it is 2% and for Ethash on Polaris GPUs the dev fee is 0.75% and on all other GPUs is 1%.

– To download and try the latest TeamRedMiner 0.7.4 AMD GPU miner software…


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