Intel Core i9-9940X vs AMD Epyc 7351P

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Intel Core i9-9940X
Intel Core i9-9940X Image
AMD Epyc 7351P
AMD Epyc 7351P Image
Intel Core i9-9940X
AMD Epyc 7351P
Key Differences Key Differences Intel Core i9-9940X AMD Epyc 7351P
Cores 14 16
CPU Threads 28 32
Base Clock Speed 3.3GHz 2.4GHz
Turbo Clock Speed 4.4GHz 0GHz
TDP (THERMAL DESIGN POINT) 165W 155W
Has integrated graphics No No
Performance per watt 83.2 32.4
Performance Performance Intel Core i9-9940X AMD Epyc 7351P
CPU Speed & Cores 14 x 3.3GHz 16 x 2.4GHz
Number of CPU Threads 28 32
L2 Cache Size 14MB 8MB
L3 Cache Size 19.25MB 64MB
Turbo Boost Frequency 4.4GHz 0GHz
L1 Cache Size 896KB 1536KB
L2 Core 1MB/core 0.5MB/core
L3 Core 1.38MB/core 4MB/core
Clock Multiplier 33 Not Known
Turbo Boost Tech Version 2 Not Known
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-9940X AMD Epyc 7351P
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 i9-9940X AMD Epyc 7351P
Height 45mm No Data Found
Width Size 52.5mm No Data Found
General info General info Intel Core i9-9940X AMD Epyc 7351P
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 155W
PCI Express Version 3 3
CPU Temperature 88°C Not Known
Height 45mm No Data Found
Width Size 52.5mm No Data Found
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9940X AMD Epyc 7351P
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 79.47GB/s 307GB/s
Max Memory Channels 4 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 i9-9940X AMD Epyc 7351P
PassMark Score 28274 15792
PassMark Score (Single Thread) 2627 1691
Geekbench 5 Score (Multi-Thread) 13722 5027
Cinebench R20 Score (Multi-Thread) 5912 Not Known
Cinebench R20 Score (Single Thread) 457 Not Known
Geekbench 5 Score (Single Thread) 1148 708
Blender Score (Classroom) 329.7seconds Not Known
Blender Score (bmw27) 110.3seconds Not Known
PassMark Score (Overclocked) 29664 Not Known
CPU Performance (Per Watt) 83.2 32.4

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