BinDiff is a comparison tool for binary files that helps to quickly find differences and similarities in disassembled code. It can be used to compare binary files for x86, MIPS, ARM/AArch64, PowerPC, and other architectures. It’s the current version, BinDiff 4.2 for both Linux and Windows. To use it, you also need the commercial Hex-Rays IDA Pro disassembler, 6.8 or later. Its the current release of BinDiff.”]
Source: https://security.googleblog.com/2016/03/bindiff-now-available-for-free.html