Note: CGMiner’s 3.7.2 release is an older branch focused on GPU mining and many modern miners have shifted to ASICs and more recent, specialized miners. This post explains what CGMiner 3.7.2 offered, how to use it for scrypt (Litecoin) GPU mining, and practical considerations for anyone maintaining legacy setups.
When users search for the "full version" of CGMiner 3.7.2, they are looking for the package that includes the necessary OpenCL kernels and binary files required to run Scrypt mining on AMD and Nvidia graphics cards.
is significant because it was the last official version to include Scrypt GPU support . Shortly after this release, the developers stripped GPU mining capabilities from the main branch of CGMiner to focus purely on ASIC hardware (specifically SHA-256 for Bitcoin and Scrypt ASICs for Litecoin).
Rule of Thumb: If your intensity is set too high without adequate Thread Concurrency, your hashrate will actually drop, and HW errors will skyrocket. Thread Concurrency ( --thread-concurrency ) Note: CGMiner’s 3
Because 3.7.2 is abandoned, the community created several "Spiritual Successors."
CGMiner is an open-source ASIC, FPGA, and GPU miner written in C. While newer versions exist, they dropped support for GPUs to focus on ASIC mining.
CGMiner 3.7.2 is a classic, open-source GPU miner originally designed for Bitcoin-style SHA-256 mining that was later extended (in some forks) to support scrypt-based coins like Litecoin. It’s a command-line tool prized for stability, low resource overhead, and wide hardware compatibility in its era. is significant because it was the last official
CGminer is open-source software written in the C programming language. It utilizes OpenCL to tap into the processing power of graphics cards from manufacturers like AMD. It is a command-line tool, meaning it lacks a flashy graphical user interface (GUI). Its power lies in its flexibility, efficiency, and the vast amount of customization it offers to experienced users.
System memory should match or exceed the combined VRAM of your GPUs. A minimum of 4GB to 8GB is recommended.
This guide has provided you with the knowledge to find, install, configure, and troubleshoot CGminer 3.7.2. From setting vital environment variables to fine-tuning intensities and thread concurrencies, you now have the tools to get the most out of this powerful yet archaic software. Thread Concurrency ( --thread-concurrency ) Because 3
-I (Intensity) : The most critical setting. Higher intensity (up to 20) increases hash rate but can make the PC unusable for other tasks.
As ASICs flooded the network, the mining difficulty skyrocketed. GPU mining for Litecoin quickly became unprofitable due to high electricity costs, rendering CGMiner 3.7.2 obsolete for mainstream commercial operations. Safety Notice: Avoiding Malware "Updates"
Estimated Hashrate: 736-740 kh/s .
Full compatibility with the Scrypt algorithm used by Litecoin.