AMD Epyc 7742 vs Intel Core i9-9900X

VS
AMD Epyc 7742
AMD Epyc 7742 Image
Intel Core i9-9900X
Intel Core i9-9900X Image
AMD Epyc 7742
Intel Core i9-9900X
Key Differences Key Differences AMD Epyc 7742 Intel Core i9-9900X
Cores 64 10
CPU Threads 128 20
Base Clock Speed 2.25GHz 3.5GHz
Turbo Clock Speed 3.4GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 225W 165W
Has integrated graphics No No
Performance per watt 66.7 61.8
Performance Performance AMD Epyc 7742 Intel Core i9-9900X
CPU Speed & Cores 64 x 2.25GHz 10 x 3.5GHz
Number of CPU Threads 128 20
L2 Cache Size 32MB 10MB
L3 Cache Size 256MB 19.25MB
Turbo Boost Frequency 3.4GHz 4.4GHz
L1 Cache Size 4096KB 640KB
L2 Core 0.5MB/core 1MB/core
L3 Core 4MB/core 1.93MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 35
Turbo Boost Tech Version Not Known 2
Features Features AMD Epyc 7742 Intel Core i9-9900X
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 Yes
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7742 Intel Core i9-9900X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 165W
PCI Express Version 4 3
Does it have Integrated Graphics No No
CPU Temperature Not Known 92°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 Intel Core i9-9900X
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 190.7GB/s Not Known
Max Memory Channels 8 4
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 i9-9900X
PassMark Score 67185 21793
PassMark Score (Single Thread) 2376 2590
Geekbench 5 Score (Multi-Thread) 15005 10204
Cinebench R20 Score (Multi-Thread) 20644 4855
Cinebench R20 Score (Single Thread) 398 455
Geekbench 5 Score (Single Thread) 725 1115
Blender Score (bmw27) 33.9seconds Not Known
Blender Score (Classroom) 95.8seconds Not Known
CPU Performance (Per Watt) 66.7 61.8
PassMark Score (Overclocked) Not Known 23091

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