AMD Epyc 7742 vs Intel Core i9-9900KF

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AMD Epyc 7742
AMD Epyc 7742 Image
Intel Core i9-9900KF
Intel Core i9-9900KF Image
AMD Epyc 7742
Intel Core i9-9900KF
Key Differences Key Differences AMD Epyc 7742 Intel Core i9-9900KF
Cores 64 8
CPU Threads 128 16
Base Clock Speed 2.25GHz 3.6GHz
Turbo Clock Speed 3.4GHz 5GHz
TDP (THERMAL DESIGN POINT) 225W 95W
Has integrated graphics No No
Performance per watt 66.7 90.8
Performance Performance AMD Epyc 7742 Intel Core i9-9900KF
CPU Speed & Cores 64 x 2.25GHz 8 x 3.6GHz
Number of CPU Threads 128 16
L2 Cache Size 32MB 2MB
L3 Cache Size 256MB 16MB
Turbo Boost Frequency 3.4GHz 5GHz
L1 Cache Size 4096KB 512KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 4MB/core 2MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Boost Tech Version Not Known 2
Features Features AMD Epyc 7742 Intel Core i9-9900KF
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 Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7742 Intel Core i9-9900KF
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 95W
PCI Express Version 4 3
Does it have Integrated Graphics No No
CPU Temperature Not Known 100°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 Intel Core i9-9900KF
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 190.7GB/s 41.6GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 128GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 4
Bus Bandwidth Not Known 8GT/s
Benchmarks Benchmarks AMD Epyc 7742 Intel Core i9-9900KF
PassMark Score 67185 18920
PassMark Score (Single Thread) 2376 3003
Geekbench 5 Score (Multi-Thread) 15005 8622
Cinebench R20 Score (Multi-Thread) 20644 4995
Cinebench R20 Score (Single Thread) 398 518
Geekbench 5 Score (Single Thread) 725 1318
Blender Score (bmw27) 33.9seconds 164.8seconds
Blender Score (Classroom) 95.8seconds 550.7seconds
CPU Performance (Per Watt) 66.7 90.8
PassMark Score (Overclocked) Not Known 19916

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