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Editors' Rating:
Average User Rating:
out of 4 votes out of 0 votes

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  • Date Added:
    Jul. 28, 2016
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Editors' Review


Heavyload is a free program that offers an interesting way to test your computer's endurance. By pushing your system to the limit, Heavyload will show you how well your PC can handle stress.

The program's interface is cut down to the basics, which makes it easy to navigate. While it only has a few command icons, they're well labeled, and they're all that you need to conduct a successful test. The program's running graph shows your available memory and CPU usage, which comes in handy when using some of Heavyload's other features. There are four different testing options, though the program does a poor job of differentiating them, so we left the default settings in place. Luckily, too, since our CPU usage chart instantly began to skyrocket. By quickly filling your RAM, hard disk, and operating system with test data, Heavyload offers an easy and safe way to simulate conditions that could cause your computer to overheat or crash. It was a bit disappointing that Heavyload just keeps running until it's shut it off manually. We'd also like to see a feature that recreates the elements and time of certain stressful situations. Regardless, this is still a simple and exciting way to test your computer's operational capabilities.

Heavyload is freeware. It comes as a compressed file. This program is practical and simple to operate, and we recommend it.

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Publisher's Description

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User Reviews

Results 1–4 of 4

4 stars

"Handy, small, safe, portable"

September 18, 2014  |  By hh-lohmann

2014-09-18 03:16:30  |  By hh-lohmann

 |  Version: Heavyload 3.3.1


- very straightforward usage, clear and concise GUI
- as a normal Windows application you can script it etc. for special / repeating test scenarios, in that way attractive for mass deployment / execution in computer labs etc.
- other than with very specialized stressing tools you might not burn CPUs by overheating etc. since Windows' normal security applies


Requires a full functioning Windows installation - you cannot "check" a system with basic starting problems or the like - but keep in mind that HeavyLoad's purpose is to stress hardware, not to find errors (behavior under stress might indicate existence of and maybe possible sources of errors, but nothing more)


A good choice for regular tests, surely not your candidate if you are hunting special errors (of which you might already have clues)
Tip: use the "portable installation" option that places the "GlobalOptions.config" in the same directory as the EXE ("unportable" location is APPDATA), GlobalOptions.config contains all possible options while command line options (see "start paraemters" in HeavyLoad's help) cover only some of them (note that "GlobalOptions.XML" seems to be not functional (yet))

Updated on Sep 18, 2014

Note that the current version 3.3.1 - other as stated in Editors' Review - HeavyLoad has a DURATION parameter (combinable with an AUTOEXIT) to limit a test streak without manual intervention.

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4 stars

"Stresses CPU / memory well, disk OK, GPU not really"

January 08, 2012  |  By tylerhawes

2012-01-08 13:37:06  |  By tylerhawes

 |  Version: Heavyload 3.0


- quickly saturates CPU and RAM
- maxes out disk activity and can fill drives if you want
- simultaneous 2D graphics drawing
- very light installer


- 2d graphics drawing doesn't really reflect heavy graphics load, which would be 3D GPU usage


Does what it's supposed to do. I just wish they would add a component to max out modern 3D GPU cards. It would also be nice to be able to tweak the storage IO profile similar to IOmeter.

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4 stars

"It does stress your computer."

December 31, 2009  |  By netwebdave

2009-12-31 08:12:39  |  By netwebdave

 |  Version: Heavyload 2.4.1


Effectively stresses CPU and RAM.


RAM stress test did not go over 1.8 GB.


Has the option to stress the CPU at 100% load or just a standard load (very good when troubleshooting a CPU). The memory tester could be a little better (I tested on a system with 8GB and it only loaded 1.8GB. The instructions are nonexistant so if you do not notice the play button or the other functions, you will think it is a simple task manager.

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2 stars

"Not necessary"

December 30, 2009  |  By rok43

2009-12-30 09:04:04  |  By rok43

 |  Version: Heavyload 2.4.1


Well, it handles performance of computer.


Windows Task Manager can do better.

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Results 1–4 of 4

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Full Specifications

What's new in version 3.3.1
* 'Simulate Disc Access' test now uses the latest version of TreeSize Free (V3.0.1) * test method 'Allocate Memory' has been revised. * now also available as a native 64-bit application * Portable version * Fix for GPU stress test via command line *
Publisher JAM Software
Publisher web site
Release Date April 13, 0014
Date Added July 28, 2016
Version 3.3.1
Category Utilities & Operating Systems
Subcategory Diagnostic Software
Operating Systems
Operating Systems Windows XP/2003/Vista/7/8/10
Additional Requirements None
Download Information
File Size 7.06MB
File Name HeavyLoad-x86-Setup.exe
Total Downloads 24,006
Downloads Last Week 22
License Model Free
Limitations none
Price Free

Previous Versions:

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