Posts Tagged ‘monero

The enterprise segment is constantly upgrading their hardware and this fuels the second hand market with interesting and very affordable yet pretty powerful hardware that can also be used for crypto mining. The latest wave of hardware getting replaced and available at a really affordable prices are the first generation of Intel 2011 E5 dual CPU Xeon workstations and servers. This means that you are able to easily acquire a very nicely priced second had server system with two 8-core processors such as Intel Xeon E5-2650 v1 getting 16 physical or 32 logical cores with Hyper Threading. The big question here however is if systems like that that may be acquired cheap are really worth using for crypto mining as they only come with a lot of CPU power, but no GPU capable of being used for mining as for server needs not much GPU power is required generally. We have picked up one such cheap systems off eBay with dual Xeon E5-2650 processors and put it through some benchmarks to gent a better idea on what to expect…

Currently it seems that the only worthwhile CPU-based algorithm to check is the CryptoNight and using the what seems to be the fastest CPU software available at the moment – the XMR-Stak CPU Miner for Monero (XMR). Running the XMR-Stak miner on all 32 logical cores has managed to get us an average hashrate of about 523 HS (hashes per second). The result may not seem that bad for CPU mining, considering that it is a bit slower than a single high-end GPU and the power used by the system is about 150 Watts, so again similar to a more recent higher-end GPU.

We need to run the numbers through an XMR mining calculator and doing just that on Cryptocompare shows that we are actually going to be mining with profit, but the profit isn’t going to be that much. With the current rate it would take a couple of years just to earn back what we have paid for the hardware itself. Not very interesting to CPU mine with such a system, but this is just at the moment, with some new and interesting developments for coins that are only CPU mineable appearing things might look very different… especially if you get a couple of these dual CPU systems to have handy. For the moment however you might want to check them out if you have some other computational needs than crypto mining as the price they can be acquired for is really attractive and again they are still pretty powerful as far as CPU performance goes.

influxcoin-infx-profit

Influxcoin (INFX) is apparently today’s big hit in the world of altcoins as the interest and the exchange rate of the coin has exploded. The reason for the peak is the official announcement that the Microsoft has added the project in their continuing expansion of Azure’s Blockchain as a Service. Other coins that have been added today include Expanse (EXP), a project that was forked from Ethereum, Monero (XMR) and Radium (RADS). Influxcoin (INFX) is currently the most profitable X11-based altcoin to mine, so owners of iBeLink X11 ASIC miners might be interested in it, though larger scale X11 GPU miners might want to check it out as well. EXP, XMR and RADS are also gaining in terms of exchange rate, so worth keeping an eye on them as well, but INFX has shown the highest growth among the newly announced coins supported by Microsoft’s Azure.

intel-cpu-image

Even though most people are either GPU mining or using specialized ASIC miners for most crypto coins, there are still some that are only CPU mineable or at least are worth CPU mining even if they do come with a GPU miner as well. Since we are getting questions what crypto coin to mine if you have some spare CPU power available, we have compiled a short list of coins that you might want to check out. Do note that with a single CPU you will most likely not earn much mining any CPU coin, but if you have multiple CPUs available along with free electricity the outcome might be better…

Crypto coins to check for CPU mining:
Boolberry (BBR)
Coin Magi (XMG)
Cryptonite (XCN)
DigitalNote (XDN)
Monero (XMR)

The list is alphabetically ordered are there are a few other CPU coins available as well besides the ones listed above, many of these based on the CryptoNight algorithm used by XMR and some others as well, so if you are interested you can dig a bit more into the alternatives. Alternatively you can look for new coin launches that only come with CPU mining, these can be profitable to mine initially as well.


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