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PhoenixMiner 5.5b With Improved Performance and New Features

22, Jan 2021

The latest beta version of PhoenixMiner 5.5b might be of interest for those of you that are trying to mine with the newest AMD Radeon RX6800 and Radeon RX6900 GPUs as it adds support with native kernels giving you better performance. AMD’s Polaris, Vega and Navi GPUs should also perform a bit better and use a bit less power for Ethereum mining thanks to optimized kernels – just make sure to user drivers 20.5.1 or later under Windows 10, or 20.10.x or later under Linux. Nvidia’s dedicated mining GPUs P106, P104, etc. also get better support for tweaking under Windows

PhoenixMiner 5.5b Full Changelog:
– Added native kernels for AMD RX6800 and RX6900 GPUs. These are faster than the generic kernels and produce a lot less stale shares.
– Updated kernels for AMD Polaris, Vega and Navi GPUs that are slightly faster and use less power than before when mining ETH. To use these updated kernels, you need to use drivers 20.5.1 or later under Win10, or 20.10.x or later under Linux!
– The Nvidia mining cards (P106, P104, etc.) can now use straps and hardware control options (power limit, memory overclock, max temperature, etc.) under Windows.
– Added support for AMD Linux drivers 20.45-1164792 and 20.45-1188099. Use this driver only if you have RX6800 or RX6900 GPU. WARNING: Vega and Navi GPUs wont’ work with these drivers!
– Automatically set -ttli instead of -tmax when the later is not supported by the driver. This will throttle down the GPUs when they reach the specified temperature to avoid overheating.

Do note that the AMD’s Radeon drivers for Windows do not support compute mode for Hawaii cards (Radeon 290/390 series), so the hashrate will be quite low (14-15 MH/s with the current ETH DAG epoch). This problem is easily fixed mining ETH under Linux, where you can get the full 29-30 MH/s speed out of the Hawaii cards.

– To get more details and to download the latest PhoenixMiner 5.5b Ethash miner software…

Palit GeForce RTX 3070 GameRock Ethereum Mining Rig

20, Jan 2021

The recent craze on GPU mining for Ethereum and the resulting Nvidia RTX 30 series shortage as well as pretty much anything else with decent mining performance for Ethash is in full on mode. Still, we have managed to get our hands on a few Palit GeForce RTX 3070 GameRock GPUs and built a 6x GPU mining rig using them for ETH mining, so below we share some interesting things including the Ethereum mining hashrate we got and the optimized settings for the RTX 3070 and more specifically the GameRock series from Palit that we have used. As you can see from the photo above the GameRock is a bit flashy in terms of design due to the large RGB lighting surface. A feature which might be of interest for a gamer, but is totally not required by a miner as it makes no different whatsoever in terms of performance. Still, the good news is that the cooler of the GameRock GPUs from Palit is with a large surface area and does a great job in keeping things cool and the fans are also dual ball-bearing ones and perform really well. If you are currently using a traditional lighting system, such as fluorescent tubes or metal halides, upgrading to high hat lights should be a top priority if you want to reduce electricity costs.

A single optimized Palit GeForce RTX 3070 GameRock GPU can do a little over 60 MHS with ease with a little tweaking with the help of the MSI Afterburner software. At TDP of just 55% or almost half of the standard power usage these video cards manage to perform really well as far as Ethereum (ETH) mining is concerned with a bit of overclock for the video memory as well – +1100 MHz. The lowered power usage results in lower GPU performance, but RTX 3070 is more than capable of utilizing the fast GDDR6 memory it has with a 256-bit wide memory bus fully to get you about 60.6 MHS mining the Ethash algorithm. No need to overclock or underclock the GPU, though for further power usage optimizations you can also try lowering the operating voltage of the GPU a bit, though not really required (can probably save up to about 100W of power usage for the whole rig).

So, with cooling fans set at 75% and a TDP of 50%, GPU -500 MHz and with +1100 MHz for the video memory you get extra cool and power efficient GPUs mining at over 60 MHs with a total power consumption a little shy from 1000W at the wall (can depend on the PSU efficiency) or a bit over 360 MHs for a 6x GPU mining rig using Palit GeForce RTX 3070 GameRock video card usually reserved for legit cash games with high specs. The screenshot for the hashrate is with the use of the latest PhoenixMiner 5.4c and mining Ethash on NiceHash…

The only thing that might be better than the RTX 3070 is the RTX 3060 Ti (in that price/performance range), however the 3060 Ti are even harder to obtain due to their slightly lower price and the same mining performance for Ethereum (ETH). The reason being that RTX 3060 Ti features the same GDDR6 memory as the RTX 3070, but has a slightly stripped-down GPU. That however does not interfere with Ethereum mining as the GPU on the RTX 3060 Ti still manages really well even with 1000 CUDa cores less. Do note that the RTX 3060 is not that goof of an alternative as unlike the 256-bit memory bus that the Ti has, the regular non-Ti version has just 192-bit memory bus and the hashrate does suffer from that, so no 60 MHs on the non-Ti models!

– To get more details and to download the latest PhoenixMiner 5.4c Ethash miner software…

New SRBMiner-MULTI Miner 0.4.5 With Support for Epic Cash (EPIC)

3, Jun 2020

The latest SRBMiner-MULTI CPU and AMD GPU Miner version 0.4.5 adds support for the RandomX-based RandomEpic algorithm used by the Epic Cash (EPIC) crypto project for both solo and pool mining. There are also some performance improvements for the RandomX algorithm for CPUs as well as for Ethash and Ubqhash on AMD VEGA GPUs. You also get a number of fixes and new features, the full changelog is included below:

SRBMiner-MULTI CPU & AMD GPU Miner 0.4.5 changelog:
– Added ‘randomepic’ algorithm (EpicCash RandomX) solo/pool
– ‘ethash’ and ‘ubqhash’ algorithm faster ~1.5% on Vega
– ‘RandomX’ algorithm improvements
– Fixed allocation of ‘RandomX’ dataset for 1GB pages (--randomx-use-1gb-pages parameter)
– Fixed an issue with MSR tweaks not being applied correctly
– Lowered ‘minotaur’ algorithm devfee to 2%
– Fixed crashing of ‘minotaur’ algorithm on AVX2 capable cpus
– ‘--send-stales‘ is now set per pool, it accepts true/false. Default is true.
– ‘send_stales’ parameter added to pools config file too
– ‘–gpu-intensity’ option can now be used in combination with auto gpu setup in cmd
– Improved gpu watchdog
– Added temporary parameter ‘--cnpool-bbc-fix‘ which disables workers if job diff >= 50
– Minor bug fixes

SRBMiner-MULTI Miner is a closed source miner available for Linux and Windows, supporting CPU mining algorithms as well as some AMD GPU ones, though we mostly use it for processor mining. The miner has a built-in developer fee of 2.50% for cryptonight_bbc, 2.00% for bl2bsha3 and minotaur, no fee for blake2b and yespowerurx and 0.85% for all others that are supported.

– To download and try the new SRBMiner-MULTI CPU and AMD GPU Miner 0.4.5 Beta…


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