Blender 2.90 CPU Comparison
2 x AMD EPYC 7742 64-Core testing with a AMD DAYTONA_X (RDY1006G BIOS) and llvmpipe on Ubuntu 20.10 via the Phoronix Test Suite.


Ryzen 9 3900XT: 

	Processor: AMD Ryzen 9 3900XT 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 GODLIKE (MS-7C34) v1.0 (1.94 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Seagate FireCuda 520 SSD ZP500GM30002, Graphics: AMD Radeon RX 56/64 8GB (1630/945MHz), Audio: AMD Vega 10 HDMI Audio, Monitor: ASUS MG28U, Network: Realtek Device 2600 + Realtek Device 3000 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.9.0-050900rc2daily20200827-generic (x86_64) 20200826, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.8, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.3.0-devel (git-31f75aa 2020-08-28 focal-oibaf-ppa) (LLVM 10.0.1), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160

Core i9 10980XE: 

	Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: NVIDIA NV132 11GB, Audio: Realtek ALC1220, Monitor: ASUS MG28U, Network: Intel I219-V + Intel I211

	OS: Ubuntu 20.10, Kernel: 5.4.0-42-generic (x86_64), Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.3 Mesa 20.1.5, Compiler: GCC 10.2.0, File-System: ext4, Screen Resolution: 3840x2160

Threadripper 3960X: 

	Processor: AMD Ryzen Threadripper 3960X 24-Core @ 3.80GHz (24 Cores / 48 Threads), Motherboard: MSI Creator TRX40 (MS-7C59) v1.0 (1.12N1 BIOS), Chipset: AMD Starship/Matisse, Memory: 32GB, Disk: 1000GB Sabrent Rocket 4.0 1TB, Graphics: Sapphire AMD Radeon RX 5500/5500M / Pro 5500M 4GB (1900/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: ASUS MG28U, Network: Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.4.0-42-generic (x86_64), Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.6 Mesa 20.0.8 (LLVM 10.0.0), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 3840x2160

Threadripper 3970X: 

	Processor: AMD Ryzen Threadripper 3970X 32-Core @ 3.70GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH II EXTREME (0702 BIOS), Chipset: AMD Starship/Matisse, Memory: 64GB, Disk: 1000GB Corsair Force MP600, Graphics: NVIDIA TITAN RTX 24GB (1350/7000MHz), Audio: NVIDIA TU102 HD Audio, Monitor: ASUS MG28U, Network: Aquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.4.0-42-generic (x86_64), Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.8, Display Driver: NVIDIA 450.36.06, OpenGL: 4.6.0, OpenCL: OpenCL 1.2 CUDA 11.0.185, Compiler: GCC 9.3.0 + CUDA 11.0, File-System: ext4, Screen Resolution: 3840x2160

2 x EPYC 7742: 

	Processor: 2 x AMD EPYC 7742 64-Core @ 2.25GHz (128 Cores / 256 Threads), Motherboard: AMD DAYTONA_X (RDY1006G BIOS), Chipset: AMD Starship/Matisse, Memory: 504GB, Disk: 3841GB Micron_9300_MTFDHAL3T8TDP, Graphics: llvmpipe, Monitor: VE228, Network: 2 x Mellanox MT27710

	OS: Ubuntu 20.10, Kernel: 5.4.0-42-generic (x86_64), Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 3.3 Mesa 20.1.5 (LLVM 10.0.1 256 bits), Compiler: GCC 10.2.0, File-System: ext4, Screen Resolution: 1920x1080


Blender 2.90
Blend File: BMW27 - Compute: CPU-Only
Seconds < Lower Is Better
Ryzen 9 3900XT ..... 105.38 |==================================================
Core i9 10980XE .... 92.67  |============================================
Threadripper 3960X . 55.41  |==========================
Threadripper 3970X . 45.35  |======================
2 x EPYC 7742 ...... 25.00  |============


Blender 2.90
Blend File: Classroom - Compute: CPU-Only
Seconds < Lower Is Better
Ryzen 9 3900XT ..... 301.96 |==================================================
Core i9 10980XE .... 282.24 |===============================================
Threadripper 3960X . 155.81 |==========================
Threadripper 3970X . 124.24 |=====================
2 x EPYC 7742 ...... 49.88  |========


Blender 2.90
Blend File: Fishy Cat - Compute: CPU-Only
Seconds < Lower Is Better
Ryzen 9 3900XT ..... 139.60 |==================================================
Core i9 10980XE .... 126.81 |=============================================
Threadripper 3960X . 73.41  |==========================
Threadripper 3970X . 61.32  |======================
2 x EPYC 7742 ...... 36.41  |=============


Blender 2.90
Blend File: Barbershop - Compute: CPU-Only
Seconds < Lower Is Better
Ryzen 9 3900XT ..... 439.73 |==================================================
Core i9 10980XE .... 389.04 |============================================
Threadripper 3960X . 242.38 |============================
Threadripper 3970X . 191.36 |======================
2 x EPYC 7742 ...... 98.99  |===========


Blender 2.90
Blend File: Pabellon Barcelona - Compute: CPU-Only
Seconds < Lower Is Better
Ryzen 9 3900XT ..... 336.08 |==================================================
Core i9 10980XE .... 310.97 |==============================================
Threadripper 3960X . 174.90 |==========================
Threadripper 3970X . 142.98 |=====================
2 x EPYC 7742 ...... 66.22  |==========