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