2004051-QARZ-200405649 Running pts/encode-mp3-1.7.4 via the Phoronix Test Suite. c5.large: Processor: Intel Xeon Platinum 8124M @ 3.41GHz (2 Cores), Motherboard: Amazon EC2 c5.large, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 8GB, Graphics: Amazon Device 1111, Network: Amazon Elastic OS: Ubuntu 18.04, Kernel: 4.15.0-1057-aws (x86_64), File-System: ext4, System Layer: KVM t2.small: Processor: Intel Xeon E5-2686 v4 @ 2.30GHz (1 Core), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 8GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 18.04, Kernel: 4.15.0-1057-aws (x86_64), File-System: ext4, System Layer: Xen HVM domU 4.2.amazon m4.large: Processor: Intel Xeon E5-2686 v4 @ 2.30GHz (2 Cores), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 8192MB, Disk: 8GB, Graphics: Cirrus Logic GD 5446, Network: Intel 82599 Virtual Function OS: Ubuntu 18.04, Kernel: 4.15.0-1057-aws (x86_64), File-System: ext4, System Layer: Xen HVM domU 4.2.amazon LAME MP3 Encoding 3.100 WAV To MP3 Seconds < Lower Is Better c5.large . 10.97 |================================================= t2.small . 13.68 |============================================================= m4.large . 13.50 |============================================================