Is it profitable to mine with a high-end CPU like a Threadripper?

A well-optimized AMD Threadripper CPU can deliver over 18,000 H/s when mining Monero, offering profitability of around $2 per day after electricity costs at $0.10/kWh.

Jul 13, 2025 at 07:43 am

Understanding CPU Mining and Its Profitability

Mining cryptocurrencies using a CPU has evolved significantly since the early days of Bitcoin. While most modern mining is dominated by ASICs and GPUs, there are still certain cryptocurrencies that remain viable for CPU mining due to their algorithmic design. One such example is Monero (XMR), which utilizes the RandomX algorithm specifically designed to be efficient on general-purpose CPUs.

The question of whether it’s profitable to mine with a high-end CPU like the AMD Threadripper depends on several factors including hashrate, electricity costs, cryptocurrency price, and hardware depreciation. A Threadripper processor typically features a large number of cores and threads, making it ideal for multi-threaded workloads like mining RandomX-based coins.

Threadripper CPUs often offer over 60% higher hashrate compared to mainstream consumer CPUs when mining Monero.

Hashrate Performance of AMD Threadripper in CPU Mining

The hashrate is a crucial metric when evaluating mining profitability. For RandomX-based mining, more cores and threads translate into better performance. The AMD Threadripper 3970X, for instance, offers 32 cores and 64 threads, which can achieve a hashrate of approximately 18,000 H/s (hashes per second) when optimized correctly.

This level of performance places Threadripper processors at the top tier of consumer-grade CPUs for CPU mining. However, achieving this hashrate requires careful tuning of the system's memory speed, cache settings, and BIOS configurations.

• Ensure XMP profile is enabled for faster memory speeds.
• Allocate sufficient L3 cache per core.
• Use lightweight operating systems like Linux for minimal overhead.
• Optimize the miner software (e.g., XMRig) for the specific Threadripper model.

A well-optimized Threadripper setup can yield up to 20,000 H/s on RandomX, depending on memory latency and cache configuration.

Electricity Costs and Power Consumption

Power consumption plays a major role in determining overall profitability. High-end CPUs like Threadripper consume significantly more power than standard desktop processors. Under full load, a Threadripper CPU can draw between 250W to 300W, especially when paired with a high-speed RAM kit and running continuously.

To calculate profitability, one must subtract the cost of electricity from the daily earnings:

• Assume an average power draw of 280W
• Electricity cost of $0.10 per kWh
• Daily power cost = 280W 24h / 1000 $0.10 = $0.67

Compare this with the daily earnings from mining Monero:

• At 18,000 H/s, current network difficulty yields approximately $2.50 to $3.00 per day
• Subtracting power costs leaves a net profit of $1.83 to $2.33 per day

At $0.10/kWh, mining with a Threadripper can yield around $2/day after power costs, assuming stable XMR prices.

Hardware Investment and Depreciation Considerations

A Threadripper CPU and compatible motherboard represent a significant upfront investment. A full Threadripper build may cost upwards of $1,500 to $2,500, depending on RAM, cooling, and other components. This initial cost must be amortized over time to determine true profitability.

If the system generates $2/day, it would take roughly 500 days (over a year) to recoup a $1,000 investment, not accounting for hardware wear or potential obsolescence. Additionally, CPUs used for continuous mining may experience accelerated degradation, particularly if thermal management is poor.

• Use high-quality air or liquid cooling solutions
• Monitor temperatures regularly
• Keep ambient room temperature low
• Avoid overclocking beyond safe limits

Depreciation and maintenance should be factored into profitability calculations to avoid overestimating returns.

Alternative Cryptocurrencies and Mining Software Optimization

While Monero remains the most popular choice for CPU miners, other altcoins also support CPU mining. Examples include Electroneum (ETN) and Aeon (AEON), though these have lower market caps and liquidity. It’s essential to evaluate both profitability and ease of converting mined coins into fiat or stablecoins.

Miner software optimization is critical for maximizing hashrate. Tools like XMRig allow fine-tuning of cache allocation, thread priority, and memory usage. Some users even experiment with kernel tweaks and BIOS undervolting to reduce power consumption without sacrificing performance.

• Benchmark multiple miner versions
• Test different memory timings
• Use affinity masks to isolate threads
• Enable huge pages in Linux environments

Optimized miner settings can increase effective hashrate by up to 10%, directly improving profitability.

Frequently Asked Questions

Q: Can I use a Threadripper CPU for GPU mining as well?

A: Yes, you can use a Threadripper CPU as the host processor for GPU mining rigs. However, its own computational power won’t contribute directly to GPU mining algorithms like Ethash or KawPow unless offloading tasks via integrated Vega graphics or similar methods.

Q: Does mining with a Threadripper void its warranty?

A: Most manufacturers do not explicitly void warranties due to mining, but excessive heat or overclocking could lead to failures not covered under warranty. Always ensure proper cooling and avoid aggressive voltage settings.

Q: How does Threadripper compare to Ryzen CPUs for mining?

A: Threadripper CPUs generally offer more cores and threads than Ryzen models, leading to higher hashrates. However, they also consume more power and cost more upfront. In terms of efficiency per dollar, some Ryzen models may offer better value.

Q: Is cloud mining more profitable than using a Threadripper?

A: Cloud mining eliminates hardware costs and maintenance but comes with risks like scams and hidden fees. With a Threadripper, you retain ownership of the hardware and have full control over operations, which can be more transparent and flexible.