Instead of MemTest86+
MemTest86+ alternatives
MemTest86+ is a free, open-source stand-alone memory tester for IA-32, x86-64, ARM AArch64, and LoongArch64 computers. It accesses almost all memory without operating-system or UEFI-library limits, runs from legacy or UEFI BIOS, Linux boot protocols, USB, CD-ROM, or PXE, and uses algorithms such as moving inversions and Modulo-20 to find memory failures. It can help investigate crashes, freezes, and instability across Linux, macOS, and Windows environments.
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HCI MemTest
Free plan LinuxWindowsWindows RAM testing with background checks and error logging — HCI MemTest runs inside Windows, while Pro adds thread controls, automation, disk logs, background testing, and Deluxe boot access.
Free plan · paid from $5 Visit site - 2
MemTest86
Free plan LinuxMacSelf-hosted+1Broad RAM diagnostics, reports, and PXE deployment — MemTest86 offers 14 algorithms, wider memory support, HTML reports, DIMM or chip decoding, automation, and Site Edition LAN deployment.
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OCCT
Free plan LinuxWindowsWhole-PC stress testing and monitoring — OCCT tests CPU, GPU, memory, VRAM, and power supplies, and adds benchmarks and monitoring beyond MemTest86+'s memory focus.
Free plan · paid from €4.50/mo Visit site - 4
Prime95
Free plan LinuxMacSelf-hosted+1CPU and cache stress under sustained workloads — Prime95 applies heavy CPU and cache workloads for GIMPS calculations rather than directly testing system memory with bootable diagnostics.
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RyzenAdj
Free plan LinuxWindowsRyzen mobile power and thermal tuning — RyzenAdj changes Ryzen mobile power limits, temperatures, and clock controls, whereas MemTest86+ diagnoses memory failures.
Free plan Visit site - 6
y-cruncher
Free plan LinuxWindowsLarge mathematical stress tests and verification — y-cruncher computes and verifies mathematical constants, using multithreading, SIMD, swap management, and minor-error correction instead of dedicated RAM tests.
Free plan · pricing on request Visit site - 7
ASUS GPU Tweak III
Free plan WindowsNVIDIA or AMD desktop GPU tuning — ASUS GPU Tweak III tunes GPU clocks, voltage, fans, profiles, and monitoring, while MemTest86+ focuses on system memory faults.
Free plan Visit site - 8
GSmartControl
Free plan LinuxMacWindows - 9
3DP Chip
Free plan Windows - 10
Hard Disk Sentinel
Free plan LinuxWindows - 11
FurMark
Free plan Windows - 12
Intel VTune Profiler
Free plan LinuxSelf-hostedWindows - 13
HDAT2
Free plan Windows - 14
HDDScan
Free plan Windows - 15
stress-ng
Free plan AndroidLinuxMac+2 - 16
MemTest64
Free plan Windows - 17
PC-Doctor Toolbox
Free plan WebWindows - 18
smartmontools
Free plan LinuxMacWindows - 19
Ultimate Boot CD
Free plan LinuxSelf-hostedWindows - 20
HardInfo2
Free plan Linux - 21
HP PC Hardware Diagnostics
Free plan Windows - 22
Piston
Free plan Android - 23
Speccy
Free plan Windows - 24
CrystalDiskInfo
Free plan Windows - 25
Blackwire Hardware Diagnostics
Free plan - 26
Eurosoft Pc-Check
Paid LinuxSelf-hostedWindows - 27
HD Tune Pro
Free trial Windows - 28
PassMark DiskCheckup
Free plan Windows - 29
Karhu RAM Test
Paid Windows5.2 Visit site
An alternative makes more sense when you need a different testing scope or workflow. MemTest86+ requires Secure Boot to be disabled temporarily, and its USB drivers do not support every device. Other tools add thread controls, error reports, automation, broader CPU and GPU stress tests, benchmarks, processor power tuning, mathematical workloads, or graphics-card profiles. Compare whether you need direct RAM diagnosis, operating-system-based testing, bootable media, deployment across machines, component coverage, or controls for a specific processor or GPU. Also weigh platform compatibility and whether a free plan covers the functions you need.
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