You may wish to give a try to HardInfo or Phoronics which doesn't indeed do as many things as Sandra does, but it shouldn't as we are talking about Linux Systems.
Take a look at:
From the site: System Profiler and Benchmark
HardInfo can gather information about your system's hardware and operating system, perform benchmarks, and generate printable reports either in HTML or in plain text formats.
I prefer to use Hardinfo, here is my screenshot of a benchmark in action in my system:
From the site: The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added. The software is designed to effectively carry out both qualitative and quantitative benchmarks in a clean, reproducible, and easy-to-use manner.