Geekbench is described as 'provides a comprehensive set of benchmarks engineered to quickly and accurately measure processor and memory performance' and is an app in the OS & Utilities category. There are more than 10 alternatives to Geekbench for a variety of platforms, including Windows, Android, Mac, Android Tablet and iPhone. The best alternative is AIDA64. It's not free, so if you're looking for a free alternative, you could try UserBenchMark or Cinebench. Other great apps like Geekbench are 3DMark (Paid), PassMark CPU Benchmarks (Free), Phoronix Test Suite (Free, Open Source) and Novabench (Free).
AIDA64 is a system information, diagnostics, and auditing application developed by FinalWire Ltd., that runs on Windows, Android, iOS, Windows Phone and Tizen operating systems. It displays detailed information on the components of a computer.
UserBenchmark is a free all-in-one benchmarking application. Benchmark your CPU, GPU, SSD, HDD and USB Drives then compare results with other users and see which parts you can upgrade together with the expected performance improvements. CPU benchmarks bias toward Intel.
CINEBENCH is a real-world test suite that evaluates your computer's performance capabilities. It's the perfect tool to compare CPU and graphics performance across various systems and platforms (Windows and Mac OS X). And best of all: It's completely free.
3DMark includes everything you need to benchmark your hardware in one app. Whether you're gaming on a smartphone, tablet, notebook, laptop, desktop, or a high-performance gaming PC, 3DMark includes a benchmark designed specifically for your type of device.
AOSMark scores Android phone manufacturers on how many OS updates they pushed to their phones on an average in the past. The scores usually range from 0 to 6; Higher scores are better since they mean longer support for devices from the manufacturer.
AnTuTu Benchmark is a free benchmarking app that helps users delve deeper into their Android devices through hard numbers and solid facts. Benchmarks include: User Experience (UX) - Gives each user a direct impression on smart device performance with detailed scores.