lame1 ARMv7 rev 4 testing with a BCM2835 Raspberry Pi 3 Model B Rev 1.2 and llvmpipe 1GB on Raspbian 10 via the Phoronix Test Suite. rpi4-lame1: Processor: ARMv7 rev 3 @ 1.50GHz (4 Cores), Motherboard: BCM2835 Raspberry Pi 4 Model B Rev 1.1, Memory: 4096MB, Disk: 64GB SC64G, Graphics: DRM emulated, Monitor: SAMSUNG OS: Raspbian 10, Kernel: 4.19.50-v7l+ (armv7l), Desktop: LXDE 0.10.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 2.1 Mesa 19.1.0-devel, Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 rpi3-lame1: Processor: ARMv7 rev 4 @ 1.20GHz (4 Cores), Motherboard: BCM2835 Raspberry Pi 3 Model B Rev 1.2, Memory: 926MB, Disk: 64GB SC64G, Graphics: llvmpipe 1GB OS: Raspbian 10, Kernel: 4.19.50-v7+ (armv7l), Desktop: LXDE 0.10.0, Display Server: X Server 1.20.4, OpenGL: 3.3 Mesa 19.1.0-devel (LLVM 6.0 128 bits), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1824x984 LAME MP3 Encoding 3.100 WAV To MP3 Seconds < Lower Is Better rpi4-lame1 . 126 |====================== rpi3-lame1 . 344 |============================================================= rpi3-lame1 . 346 |=============================================================