intel mlc 5900X AMD Ryzen 9 5900X 12-Core testing with a ASUS ROG CROSSHAIR VIII HERO (3402 BIOS) and NVIDIA GeForce RTX 3090 24GB on Ubuntu 21.04 via the Phoronix Test Suite. Ubuntu 21.04: Processor: AMD Ryzen 9 5900X 12-Core @ 3.70GHz (12 Cores / 24 Threads), Motherboard: ASUS ROG CROSSHAIR VIII HERO (3402 BIOS), Chipset: AMD Starship/Matisse, Memory: 2 x 8 GB DDR4-3600MT/s F4-3600C16-8GTRG, Disk: 1000GB Sabrent Rocket 4.0 Plus, Graphics: NVIDIA GeForce RTX 3090 24GB, Audio: NVIDIA GA102 HD Audio, Monitor: ASUS VP28U, Network: Realtek RTL8125 2.5GbE + Intel I211 OS: Ubuntu 21.04, Kernel: 5.11.0-16-generic (x86_64), Desktop: GNOME Shell 3.38.4, Display Server: X Server 1.20.11, Display Driver: NVIDIA 465.27, OpenGL: 4.6.0, OpenCL: OpenCL 3.0 CUDA 11.3.101, Vulkan: 1.2.168, Compiler: GCC 10.3.0, File-System: ext4, Screen Resolution: 3840x2160 Intel Memory Latency Checker Test: Idle Latency ns < Lower Is Better Ubuntu 21.04 . 83.6 |========================================================== Intel Memory Latency Checker Test: Max Bandwidth - All Reads MB/s > Higher Is Better Ubuntu 21.04 . 53874.68 |====================================================== Intel Memory Latency Checker Test: Max Bandwidth - 3:1 Reads-Writes MB/s > Higher Is Better Ubuntu 21.04 . 31815.33 |====================================================== Intel Memory Latency Checker Test: Max Bandwidth - 2:1 Reads-Writes MB/s > Higher Is Better Ubuntu 21.04 . 28650.66 |====================================================== Intel Memory Latency Checker Test: Max Bandwidth - 1:1 Reads-Writes MB/s > Higher Is Better Ubuntu 21.04 . 30880.05 |====================================================== Intel Memory Latency Checker Test: Max Bandwidth - Stream-Triad Like MB/s > Higher Is Better Ubuntu 21.04 . 38062.30 |====================================================== Intel Memory Latency Checker Test: Peak Injection Bandwidth - All Reads MB/s > Higher Is Better Ubuntu 21.04 . 53883.6 |======================================================= Intel Memory Latency Checker Test: Peak Injection Bandwidth - 3:1 Reads-Writes MB/s > Higher Is Better Ubuntu 21.04 . 31451.4 |======================================================= Intel Memory Latency Checker Test: Peak Injection Bandwidth - 2:1 Reads-Writes MB/s > Higher Is Better Ubuntu 21.04 . 28684.6 |======================================================= Intel Memory Latency Checker Test: Peak Injection Bandwidth - 1:1 Reads-Writes MB/s > Higher Is Better Ubuntu 21.04 . 30380.1 |======================================================= Intel Memory Latency Checker Test: Peak Injection Bandwidth - Stream-Triad Like MB/s > Higher Is Better Ubuntu 21.04 . 37583.5 |=======================================================