cray 2 x AMD EPYC 9534 64-Core testing with a Tyrone SDA20A2GM-818 (3.2 BIOS) and astdrmfb on AlmaLinux 9.4 via the Phoronix Test Suite. 2 x AMD EPYC 9534 64-Core: Processor: 2 x AMD EPYC 9534 64-Core @ 2.45GHz (128 Cores / 256 Threads), Motherboard: Tyrone SDA20A2GM-818 (1.8 BIOS), Memory: 1520GB, Disk: 8 x 3841GB Micron_7450_MTFDKCB3T8TFR + 480GB SAS 3808, Graphics: astdrmfb OS: AlmaLinux 9.4, Kernel: 5.14.0-427.37.1.el9_4.x86_64 (x86_64), Compiler: GCC 13.2.0, File-System: nfs, Screen Resolution: 1024x768 4k: Processor: 2 x AMD EPYC 9534 64-Core @ 2.45GHz (128 Cores / 256 Threads), Motherboard: Tyrone SDA20A2GM-818 (1.8 BIOS), Memory: 1520GB, Disk: 8 x 3841GB Micron_7450_MTFDKCB3T8TFR + 480GB SAS 3808, Graphics: astdrmfb OS: AlmaLinux 9.4, Kernel: 5.14.0-427.37.1.el9_4.x86_64 (x86_64), Compiler: GCC 11.4.1 20231218, File-System: nfs, Screen Resolution: 1024x768 5k: Processor: 2 x AMD EPYC 9534 64-Core @ 2.45GHz (128 Cores / 256 Threads), Motherboard: Tyrone SDA20A2GM-818 (3.2 BIOS), Memory: 1520GB, Disk: 8 x 3841GB Micron_7450_MTFDKCB3T8TFR + 480GB SAS 3808, Graphics: astdrmfb (2100/1300MHz), Monitor: DELL E170S OS: AlmaLinux 9.4, Kernel: 5.14.0-503.14.1.el9_5.x86_64 (x86_64), Compiler: GCC 11.4.1 20231218, File-System: nfs, Screen Resolution: 1280x1024 C-Ray 2.0 Resolution: 5K - Rays Per Pixel: 16 Seconds < Lower Is Better 5k . 69.61 |=================================================================== C-Ray 2.0 Resolution: 4K - Rays Per Pixel: 16 Seconds < Lower Is Better 4k . 44.31 |=================================================================== C-Ray 2.0 Resolution: 1080p - Rays Per Pixel: 16 Seconds < Lower Is Better 2 x AMD EPYC 9534 64-Core . 9.899 |============================================