Algorithms may require core overclocking, memory overclocking, or both. The main overclocking principle is stable work and maximum hash rate at an acceptable energy consumption level. If for one it is possible to overclock the core to MHz, for a similar one you may be able to overclock only to MHz. Make sure to adjust overclocking settings for each card individually. Despite being more than three years old, the graphics card remains one of the most powerful solutions on the market.
Meanwhile, miners point out high power consumption, which makes the pay-off period longer. Other profitable options include Ravencoin, Zcoin, and other altcoins. Current Difficulty. Mining Profit 24h. Ethereum Classic. Firo Zcoin. Bitcoin Gold. Flux ZelCash.
Callisto Network. Metaverse ETP. Ethereum ETH. Ethereum ETH Pools listed: 8. Ethereum Price 3 Cortex Price 0. Ethereum Classic Price Firo Zcoin Price 3. Ravencoin RVN Pools listed: 3. Ravencoin Price 0. Aeternity AE Pools listed: 2. Aeternity Price 0. Beam Price 0. Further — an increase in income with each purchased card. One way or another, income from one video card will not bring golden mountains, but you can save up for the second card in a year.
The first year the crypto-farm reaches payback, in the second year it starts making a profit. To reduce risks, we recommend setting a budget for electricity or worrying about buying solar panels, laying a power network and batteries. When buying video cards, you should consider the cost of assembling the cooling and the system as a whole.
It is recommended to use aluminum beams as a supporting frame for the video card in order to avoid fire. When assembling, miners are guided by the use of two power supplies for a farm of 6 video cards with a TDP above in order to ensure a stable power supply to the cards. The use of multiple power supplies is necessary when it comes to creating a large farm, a large farm is considered from 4 cards or more.
A second power supply may be required to power a farm with more than 6 cards. There are simple reasons for this requirement: the card must receive a stable power supply. If the power supply unit cannot supply the required number of watts on the 12 volt line, add. For example, powering 8 video cards from one power supply is a huge risk, the power supply may not cope with the load, burn out and take the entire farm with it to Valhalla.
Power for a farm kit usually fits in 50 — 75 watts, this is a processor, RAM and a motherboard. When buying a power supply unit, several factors should be taken into account, the first is that a power supply unit needs a new one and must have a power reserve.
For example, a W power supply will not be able to pull out a farm with 8 cards, where each TDP has 75 W, even if nominally they fit into the power consumption. You cannot return the card under warranty or receive service after overclocking. The first type: overclocking is for games — a maximum of 12 hours of load, work at near-limit indicators, the consumption of a video card does not bother anyone.
Downvolting is overclocking, but when the voltage to the memory elements and the GPU unit decreases and the frequencies increase. The goal of downvolting is to match the golden seridine between consumption and performance. Download MSI Afterburner, install, unpack and drive the card in three necks. To check if something falls off, download FurMark.
All experiments — with the Excel file and on a motherboard separate from the farm. These numbers were obtained by the sweat and blood of hundreds of miners and are suitable for the first farm. The new generation of memory changed the scales in mining — at first, it was impossible to extract profitable on the cards due to the inability of the algorithms to work with memory.
Download the. After that, the program will feed the tablets to increase the hashrate to the video cards and you can mine. In November , its profitability was 2.
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The current thinking for a lot of miners is that Nvidia's RTX series cards are superior to AMD, but that's really only true if you look at pure hashrates on the and Factor in power efficiency and things are much closer.
Besides, it's not like you can buy any of these GPUs right now — unless you're willing to fork out a lot of money or have some good industry contacts for building your mining farm. The principles we've outlined above generally apply to the older GPUs as well. We're going to skip all the baseline performance metrics this time, and just jump straight to optimized performance.
Note that outside of the RX and , and the three GTX variants, all of our tests were done using the reference models from AMD and Nvidia, which tend to be more of a baseline or worst-case scenario for most GPUs. We'll list our optimized settings below, but here are the results. Our Vega cards are also reference models and were far more finnicky than other GPUs.
For Nvidia's Turing GPUs, performance again correlates pretty much directly with memory bandwidth, though with a few interesting exceptions. Notice that the Super, Super, and Super all end up with nearly identical performance? That's not an error. The odd bit is that the Super requires substantially higher memory clocks to get there.
Most likely the memory timings on the GDDR6 in the Super are more relaxed looser , so even though bandwidth is higher, bandwidth plus latency ends up balancing out. The Ti and Super are basically the same speed, though we had better luck with memory overclocking on the Super. That reduces power use and temperatures and boosts overall efficiency.
Stepping back one generation further to Pascal GTX series , the approach changes a bit. Maximum memory clocks are still critical, but core clocks start to matter more—the architecture isn't tuned for compute as much as Turing and Ampere. We got our best results by overclocking the GPU core and memory speed, but then setting a power limit. Tweaking AMD's previous generation GPUs is a bit different, in that rather than limiting the power, the best approach is to tune the voltage and clock speed.
Not surprisingly, the older the GPUs get, the lower the hash rates and efficiency become. Let's start with the previous generation and move back from there. Move back to the Vega architecture and the large memory bandwidth that comes from HBM2 comes into play. But Vega was also a power-hungry architecture, and it benefits from turning down the GPU clocks. That gave mining clocks of MHz. Vega 64 and Vega 56 used similar settings, but half the memory capacity and bus width limits performance quite a bit relative to the Radeon VII.
Also, our results on the reference blower cards are probably far less than ideal—just about any custom Vega card would be a better choice than these blowers. We experienced a lot of crashing on the two Vega cards while trying to tune performance. And then there's Polaris. Much like the Pascal GPUs, our tuning efforts took more time and effort. Besides setting a low voltage of mV, depending on the card, we set the memory timings to level2 in Radeon Settings, and that gave the best results with reasonable power use.
Here's a gallery of all the 'tuned' settings we used for the legacy cards. Use at your own risk, and know that some cards prefer different miner software or simply fail to work with certain miners. Is it possible to improve over our results?
This is just a baseline set of performance figures and data, using our specific samples. Again, non-reference cards often perform a bit better, and if you want to research VBIOS flashing and hardware modding it's possible to hit higher hash rates.
But out of the box, these are numbers that just about any card using one of these GPUs should be able to match. This brings us to the final point we want to make. Suppose you already have a graphics card and want to mine using your GPU's spare cycles. In that case, it might be worth considering, particularly if you live in an area where power isn't super expensive.
At the same time, we strongly recommend against 'redlining' your card for maximum hashrate at all costs. They will burn out if you run them that way. We also have serious concerns with any component temperature that's consistently at or above C or really, even 90C.
Will it be long enough to recover the cost of the card? That's the big unknown. Here's the thing to remember: Cryptocurrencies are extremely volatile. This means that, as fast as the price shot up, it could plummet just as quickly. At one point, it might have been possible to break even on the cost of a new GPU in a few months. These days, it would take more than a year at current rates, assuming nothing changes. It could go up, but the opposite is more likely. Just ask the GameStop 'investors' how that worked out if you think the sky's the limit.
Again, if you already have a GPU, putting it into service isn't a terrible idea — it's your hardware, do with it what you please. Paying extreme prices for mid-range hardware to try and build your own personal mining mecca, on the other hand, is a big risk. You might do fine, you might do great, or you might end up with a lot of extra PC hardware and debt.
Plus, what about all the gamers that would love to buy a new GPU right now and they can't? Somebody, please think of the gamers! Anyway, if you're looking for additional information, here is our list of the best mining GPUs , and we've checked profitability and daily returns of each GPU. Just remember to account for power costs and cash out enough coins to cover that, and then hopefully you won't get caught holding the bag.
From the first S3 Virge '3D decelerators' to today's GPUs, Jarred keeps up with all the latest graphics trends and is the one to ask about game performance. Tom's Hardware Tom's Hardware. Image 1 of Image 2 of Image 3 of Image 4 of Image 5 of Image 6 of Image 7 of Image 8 of Image 9 of Image 10 of Image 11 of Image 12 of Image 13 of Image 14 of Image 15 of Image 16 of Image 17 of Image 18 of Image 19 of Image 20 of Jarred Walton.
Topics Graphics. See all comments Pandering to the enemy. We are not pleased. Kudos for the information though. Phaaze88 said:. Oh well Toms Hardware has hit a topic thats not realy welcome in the pc gaming community, they should also include sites for the miners where they can get the last few available Gpus as well, we will just sit on the side line and watch Tommy offer advice to miners.
While its true that mining is making new GPU purchases difficult I would argue that this article is valid and should be appreciated.