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What About the Sapphire RX 570 16GB GPUs With ePIC Boost Miner for GRIN

7, Mar 2019

Back in January this year Sapphire, a popular name among AMD GPU miners, has announced their RX 570 GPUs with 16GB of video memory intended for use for GRIN crypto mining and more specifically the Cuckatoo31 algorithm that requires more video memory and can take advantage of the extra VRAM on these GPUs. This might have sounded interesting for some miners at least initially after the launch of the GRIN network and the hype and high initial price of the Grin coins, but things look different now. Miner developers have been able to optimize and enhance performance on 8GB+ Nvidia GPUs for the Cuckatoo 31 algorithm and the $399 USD mining GPU from Sapphire with just 6 months warranty already seems like a total joke when you compare performance…

The latest version of the miner specifically optimized for Grin mining on the Sapphire RX 570 16GB mining video cards ePIC Boost Miner supporting both Cuckaroo29 and Cuckatoo31 is apparently capable of delivering up to 2.6 G/s for Cuckaroo29 at 163W and up to 0.47 G/s for Cuckatoo31 at 195W if you have a top specs computer used for mining and not what a traditional GPU mining rig looks like. These results are for a mining rig with i5/i7/i9/Ryzen Multithreading CPU, PCIe 3.0 with Atomics and AMD ROCm Linux driver. If you use a low-end Celeron/Pentium CPU, like most GPU mining rigs do, PCIe 2.0 bus for the GPUs and the AMD GPU Pro driver you will be down to 1.5 G/s for Grin29 and 0.35 G/s for Grin31 according to the latest official performance results.

Now, how does an Nvidia GTX 1080 Ti with 11GB of video memory compare with the currently fastest Cuckatoo31 miner NBMiner 21.0 under Windows 10 on a normal low-end mining rig with a Celeron CPU. You can easily get about 1.3-1.35 G/s with about 200W of power usage (lowered down TDP of the GPU, up to about 1.45 G/s with stock TDP) to get similar power usage as with the AMD. You get almost three times the performance with the Nvidia at the same power usage with two to three times the price of the AMD mining GPU from Sapphire and without a number of specific requirements that are not easy for a lot of miners.

The answer to the question are the Sapphire RX 570 16GB mining GPUs worth it at the moment is a simple NO! But what about the performance for the upcoming Grin Cuckatoo 32 protocol upgrade planned for 2020… well, who knows, but what will you be doing by then?

TT-Miner (TradeTec Miner) 2.1.12 Nvidia GPU Miner With MTP Suppprt for NiceHash

25, Feb 2019

The latest TT-Miner Version 2.1.12 that has just been released comes with support for ZCoin (MTP algorithm) mining on NiceHash following the recent addition of MTP on NiceHash with very limited support miner wise. With the performance of about 3.3 MH/s for GTX 1080 Ti we are seeing it is profitable on NiceHash at the moment, so you might want to give it a go. TT-Miner seems more stable and problem free compared to the ccminer fork with MTP support on NiceHash that was initially made available by NiceHash to use with their service after the initial announcement of MTP support.

TT-Miner supports ProgPOW, Ethash, UBQhash, MTP and Myriad-Groestl algorithms on Nvidia GPUs and is available for Windows only, a closed source miner with 1% developer fee for all of the supported algos. Currently the miner has support for mining MTP and Ethash on NiceHash, though MTP support is probably what makes it the most interesting at the moment.

– For more information and to download and try the latest TT-Miner for Windows…

The Latest SRBMiner 1.7.9 Cryptonight AMD GPU Miner is Ready for the March 9th Monero Hard Fork

25, Feb 2019

The latest update to the CryptoNight AMD GPU miner SRBMiner to version 1.7.9 brings support for the new POW algorithm that Monero (XMR) will be switching to in less than two weeks from now. Cryptonight variant 4 (CNv4) also know as CryptonightR will be the new mining algorithm after the upcoming Monero hard fork planned for block number 1788000 that is expected sometime on March 9th. SRBMiner 1.7.9 is the first AMD miner to support the new CryptonightR algorithm, though others will probably soon follow as the time for the fork approaches. Apart from the CryptonightR support the latest version brings support for a few other algorithms, some new features as well as bug fixes as one would expect. You can find the full changelow below. Do note that the developer fee is ~0.85% for both normal mode and algorithm switching mode as SRBMiner is a closed source miner available for AMD GPU miners only under Windows.

SRBMiner V1.7.9 Full Cangelog:
– Added new Monero algo ‘Cryptonight R’
– Added algo ‘Wownero’
– Added algo ‘Conceal’
– Added algo ‘Zelerius’
– Added algo ‘Xcash’
– Replaced ‘Mox’ algo with new ‘Mox V8’ algo
– Added parameter ‘maxnosharesent’ in cmd
– Added parameter ‘randomnonce’ in cmd
– Added parameter ‘enablecoinforking’ in cmd
– Added algo switching info in json and on html stats page
– Lot of bug fixes

– For more information about the latest SRBMiner Cryptonight AMD GPU Miner V1.7.9…


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