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⇱ RISC-V CPU Performance Up 8x In Five Years: SiFive HiFive Unmatched To SpacemiT K3 - Phoronix

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RISC-V CPU Performance Up 8x In Five Years: SiFive HiFive Unmatched To SpacemiT K3

Written by Michael Larabel in Processors on 9 June 2026 at 10:12 AM EDT. Page 4 of 6. 28 Comments.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 1, Compression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 1, Decompression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 2, Compression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 2, Decompression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 3, Compression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 3, Decompression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 9, Compression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 9, Decompression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 12, Compression Speed. SpacemiT K3 Pico ITX was the fastest.

👁 LZ4 Compression benchmark with settings of Performance Per Thread, Compression Level: 12, Decompression Speed. SpacemiT K3 Pico ITX was the fastest.

With LZ4 compression the K3 was approaching 9x the performance of the HiFive Unmatched.

👁 Parallel BZIP2 Compression benchmark with settings of Performance Per Thread, FreeBSD-13.0-RELEASE-amd64-memstick.img Compression. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Eclipse. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Batik SVG Toolkit. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: FOP Print Formatter. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: PMD Source Code Analyzer. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Apache Tomcat. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Apache Xalan XSLT. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Apache Lucene Search Index. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Apache Lucene Search Engine. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: H2 Database Engine. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Jython. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: BioJava Biological Data Framework. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: GraphChi. SpacemiT K3 Pico ITX was the fastest.

👁 DaCapo Benchmark benchmark with settings of Performance Per Thread, Java Test: Zxing 1D/2D Barcode Image Processing. SpacemiT K3 Pico ITX was the fastest.

For OpenJDK Java workloads was also a solid difference from 2021 to now in the RISC-V hardware space on Linux.

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