Intel Core i9-9900KF vs AMD Epyc 7281

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Intel Core i9-9900KF
Intel Core i9-9900KF Image
AMD Epyc 7281
AMD Epyc 7281 Image
Intel Core i9-9900KF
AMD Epyc 7281
Key Differences Key Differences Intel Core i9-9900KF AMD Epyc 7281
Cores 8 16
CPU Threads 16 32
Base Clock Speed 3.6GHz 2.1GHz
Turbo Clock Speed 5GHz 2.7GHz
TDP (THERMAL DESIGN POINT) 95W 155W
Has integrated graphics No No
Performance per watt 90.8 Not Known
Performance Performance Intel Core i9-9900KF AMD Epyc 7281
CPU Speed & Cores 8 x 3.6GHz 16 x 2.1GHz
Number of CPU Threads 16 32
L2 Cache Size 2MB 8MB
L3 Cache Size 16MB 32MB
Turbo Boost Frequency 5GHz 2.7GHz
L1 Cache Size 512KB 1536KB
L2 Core 0.25MB/core 0.5MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 2MB/core
Turbo Boost Tech Version 2 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-9900KF AMD Epyc 7281
Has AES Support Yes Yes
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 CPU Throttling No No
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-9900KF AMD Epyc 7281
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i9-9900KF AMD Epyc 7281
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 95W 155W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
Width Size 37.5mm No Data Found
Height 37.5mm No Data Found
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9900KF AMD Epyc 7281
RAM Memory Speed 2666MHz 2400MHz
Max Memory Bandwidth 41.6GB/s 307GB/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 Not Known
Benchmarks Benchmarks Intel Core i9-9900KF AMD Epyc 7281
PassMark Score 18920 12720
PassMark Score (Single Thread) 3003 1429
Geekbench 5 Score (Multi-Thread) 8622 Not Known
Cinebench R20 Score (Multi-Thread) 4995 Not Known
Cinebench R20 Score (Single Thread) 518 Not Known
Geekbench 5 Score (Single Thread) 1318 Not Known
Blender Score (Classroom) 550.7seconds Not Known
Blender Score (bmw27) 164.8seconds Not Known
PassMark Score (Overclocked) 19916 Not Known
CPU Performance (Per Watt) 90.8 Not Known

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