Intel Core i9-9900KS vs AMD Epyc 7551

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Intel Core i9-9900KS
Intel Core i9-9900KS Image
AMD Epyc 7551
AMD Epyc 7551 Image
Intel Core i9-9900KS
AMD Epyc 7551
Key Differences Key Differences Intel Core i9-9900KS AMD Epyc 7551
Cores 8 32
CPU Threads 16 64
Base Clock Speed 4GHz 2GHz
Turbo Clock Speed 5GHz 3GHz
TDP (THERMAL DESIGN POINT) 127W 180W
Has integrated graphics Yes No
Performance per watt 72.3 Not Known
Performance Performance Intel Core i9-9900KS AMD Epyc 7551
CPU Speed & Cores 8 x 4GHz 32 x 2GHz
Number of CPU Threads 16 64
L2 Cache Size 2MB 16MB
L3 Cache Size 16MB 64MB
Turbo Boost Frequency 5GHz 3GHz
L1 Cache Size 512KB 3072KB
L2 Core 0.25MB/core 0.5MB/core
L3 Core 2MB/core 2MB/core
Clock Multiplier 40 Not Known
Turbo Boost Tech Version 2 Not Known
Does it have an unlocked multiplier Yes No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-9900KS AMD Epyc 7551
Has AES Support Yes Yes
Supports CPU Throttling Yes No
Supported SSE Version 4.2 4.2
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes Yes
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-9900KS AMD Epyc 7551
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i9-9900KS AMD Epyc 7551
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 127W 180W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.5 Not Known
GPU Boost Clock Speed 1200MHz Not Known
No. of Supported Displays 3 Not Known
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
Does it have Integrated Graphics Yes No
Transistor Count Not Known 19200 million
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9900KS AMD Epyc 7551
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 41.6GB/s 341GB/s
Max Memory Channels 2 8
Supported Memory Size 128GB 2000GB
Bus Bandwidth 8GT/s Not Known
ECC (Error-Correcting Code) Memory Support No Yes
DDR Type Memory Version 4 4
Benchmarks Benchmarks Intel Core i9-9900KS AMD Epyc 7551
PassMark Score 19553 19606
PassMark Score (Single Thread) 3043 1660
Geekbench 5 Score (Multi-Thread) 9184 Not Known
Cinebench R20 Score (Multi-Thread) 5226 Not Known
Cinebench R20 Score (Single Thread) 518 Not Known
Geekbench 5 Score (Single Thread) 1375 Not Known
Blender Score (bmw27) 154.7seconds Not Known
Blender Score (Classroom) 490.5seconds Not Known
PassMark Score (Overclocked) 21393 Not Known
CPU Performance (Per Watt) 72.3 Not Known

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