LAME MP3 Encoding
LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format.
To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark encode-mp3.
Project Site
lame.sourceforge.netTest Created
6 December 2010Last Updated
3 September 2019Test Maintainer
Michael LarabelTest Type
Average Install Time
2 Minutes, 1 SecondAverage Run Time
1 Minute, 36 SecondsTest Dependencies
C/C++ Compiler ToolchainAccolades
300k+ Downloads + 20k+ Public Benchmark ResultsSupported Platforms
** Data based on those opting to upload their test results to OpenBenchmarking.org and users enabling the opt-in anonymous statistics reporting while running benchmarks from an Internet-connected platform.
*** Test profile page view reporting began March 2021.
Data updated weekly as of 17 November 2024.
Suites Using This Test
Performance Metrics
Analyze Test Configuration:LAME MP3 Encoding 3.100
WAV To MP3
OpenBenchmarking.org metrics for this test profile configuration based on 11,365 public results since 7 February 2018 with the latest data as of 16 November 2024.
Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.
Based on OpenBenchmarking.org data, the selected test / test configuration (LAME MP3 Encoding 3.100 - WAV To MP3) has an average run-time of 2 minutes. By default this test profile is set to run at least 3 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.
Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.5%.
Does It Scale Well With Increasing Cores?
No, based on the automated analysis of the collected public benchmark data, this test / test settings does not generally scale well with increasing CPU core counts. Data based on publicly available results for this test / test settings, separated by vendor, result divided by the reference CPU clock speed, grouped by matching physical CPU core count, and normalized against the smallest core count tested from each vendor for each CPU having a sufficient number of test samples and statistically significant data.
Notable Instruction Set Usage
Notable instruction set extensions supported by this test, based on an automatic analysis by the Phoronix Test Suite / OpenBenchmarking.org analytics engine.
Found on Intel processors since Sandy Bridge (2011).
Found on AMD processors since Bulldozer (2011).
Found on Intel processors since Haswell (2013).
Found on AMD processors since Excavator (2016).
Found on Intel processors since Haswell (2013).
Found on AMD processors since Bulldozer (2011).
This test profile binary relies on the shared libraries libtinfo.so.6, libm.so.6, libmvec.so.1, libc.so.6.
Tested CPU Architectures
This benchmark has been successfully tested on the below mentioned architectures. The CPU architectures listed is where successful OpenBenchmarking.org result uploads occurred, namely for helping to determine if a given test is compatible with various alternative CPU architectures.
Recent Test Results
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1 System - 2 Benchmark Results |
2 x Intel Core Ultra 7 155H - Intel 440BX - Intel 440BX Ubuntu 24.04 - 6.8.0-48-generic - GNOME Shell 46.0 |
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4 Systems - 4 Benchmark Results |
ARMv8 Cortex-A57 - quill - 8GB Debian GNU - 4.9.253-l4t-r32.6 - GCC 12.2.0 |
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1 System - 1 Benchmark Result |
16 x Intel Core Ultra 7 155H - Intel 440BX - 8192 + 256 + 4 4800MHz Microsoft Windows Server 2019 Datacenter Evaluation Build 17763 - 10.0.17763.3650 - 9.17.7.2 |
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4 Systems - 5 Benchmark Results |
ARMv8 Cortex-A76 - Raspberry Pi 5 Model B Rev 1.0 - 8GB Debian GNU - 6.6.51+rpt-rpi-2712 - GCC 12.2.0 |
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1 System - 1 Benchmark Result |
16 x Intel Core Ultra 7 155H - Intel 440BX - 8192 + 256 + 4 4800MHz Microsoft Windows Server 2019 Datacenter Evaluation Build 17763 - 10.0.17763.3650 - 9.17.7.2 |
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1 System - 1 Benchmark Result |
16 x Intel Core Ultra 7 155H - Intel 440BX - 8192 + 256 + 4 4800MHz Microsoft Windows Server 2019 Datacenter Evaluation Build 17763 - 10.0.17763.3650 - 9.17.7.2 |
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1 System - 17 Benchmark Results |
AMD Ryzen 5 PRO 5650U - HP 8895 - AMD Renoir Debian 12 - 6.1.0-25-amd64 - GCC 12.2.0 |
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19 Systems - 2903 Benchmark Results |
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17 Systems - 2641 Benchmark Results
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16 Systems - 2626 Benchmark Results
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16 Systems - 2616 Benchmark Results
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15 Systems - 2606 Benchmark Results
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1 System - 17 Benchmark Results
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Intel Core 2 6700 - ASUS P5PE-VM - Intel 82865G Debian 12 - 6.1.0-18-amd64 - X Server 1.21.1.7
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1 System - 1 Benchmark Result
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Intel Core i3-3110M - SAMSUNG NP350E7C-A03CA - Intel 3rd Gen Core DRAM Debian 12 - 6.1.0-20-amd64 - Xfce 4.18
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1 System - 1 Benchmark Result
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AMD EPYC 9R14 - Amazon EC2 c7a.4xlarge - Intel 440FX 82441FX PMC Rocky 8.9 - 4.18.0-513.18.1.el8_9.x86_64 - X Server |
Most Popular Test Results
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1 System - 64 Benchmark Results |
Intel Core Ultra 7 256V - ASUS UX5406SA - 8 x 2048MB 8533MHz Samsung Microsoft Windows 11 Home Build 26100 - 10.0.26100.1742 - 32.0.101.5730 |
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3 Systems - 268 Benchmark Results |
Intel Core i5-2520M - HP 161C - Intel 2nd Generation Core DRAM Ubuntu 18.04 - 4.18.0-20-generic - GNOME Shell 3.28.3 |
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7 Systems - 28 Benchmark Results |
Rockchip ARMv8 Cortex-A53 - Firefly ROC-RK3328-CC - 2048MB Ubuntu 18.04 - 4.4.114 - X Server 1.18.4 |
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4 Systems - 55 Benchmark Results |
AMD Ryzen 3 3200U - MOTILE PF4PU1F - AMD Raven Clear Linux OS 32230 - 5.4.16-900.native - GNOME Shell 3.34.3 |
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3 Systems - 109 Benchmark Results |
AMD Ryzen 7 7840HS - Framework FRANMZCP07 - 2 x 8192MB 5600MHz A-DATA AD5S56008G-B Microsoft Windows 11 Home Build 22631 - 10.0.22631.3296 - 31.0.22024.15004 |
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Featured Motherboard Comparison |
Intel Core i9-9900K - ASUS PRIME Q370M-C - Intel Cannon Lake PCH CentOS Linux 7 - 4.14.35-2025.400.9.el7uek.x86_64 - GCC 4.8.5 20150623 |
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2 Systems - 535 Benchmark Results |
Intel Core i7-1065G7 - Dell 06CDVY - Intel Device 34ef Ubuntu 20.04 - 5.9.0-050900rc7daily20201003-generic - GNOME Shell 3.36.4 |
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5 Systems - 25 Benchmark Results |
Intel Xeon E3-1280 v5 - MSI Z170A SLI PLUS - Intel Xeon E3-1200 v5 Ubuntu 19.04 - 4.18.0-11-generic - GNOME Shell 3.30.2 |
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2 Systems - 3 Benchmark Results |
Intel Core i7-4790 - ASUS Z97-A-USB31 - Intel 4th Gen Core DRAM Ubuntu 18.04 - 4.15.0-22-generic - KDE Plasma 5.12.6 |
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20 Systems - 43 Benchmark Results |
ARMv8 rev 3 - quill - 8192MB Ubuntu 16.04 - 4.4.38-tegra - Unity 7.4.5 |
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3 Systems - 30 Benchmark Results |
MIPS P5600 V3.0 FPU V2.0 - Baikal-T1 BFK3 evaluation board - 2048MB Debian 9.3 - 4.4.100-bfk3 - GCC 6.3.0 20170516 + Clang 3.8.1-24 + LLVM 3.8.1 |
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14 Systems - 36 Benchmark Results |
ARMv8 Cortex-A72 - SolidRun LX2160A COM type 7 module - 14336MB Ubuntu 19.04 - 4.14.83-dirty - GCC 8.3.0 |
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1 System - 28 Benchmark Results |
Intel Core i7-10875H - System76 Oryx Pro - Intel Comet Lake PCH Pop 20.04 - 5.8.0-7630-generic - GNOME Shell 3.36.4 |
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2 Systems - 21 Benchmark Results |
ARMv8 Cortex-A73 - Hardkernel ODROID-N2Plus - 4096MB Debian - 6.0.8-meson64 - GCC 12.2.0 |
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1 System - 27 Benchmark Results |
AMD Ryzen 7 4800H - TUXEDO PULSE1501 - AMD Renoir Root Complex Pop 20.10 - 5.11.0-7614-generic - GNOME Shell 3.38.3 |