AMD Epyc 7551 vs Intel Xeon E5-4640

VS
AMD Epyc 7551
AMD Epyc 7551 Image
Intel Xeon E5-4640
Intel Xeon E5-4640 Image
AMD Epyc 7551
Intel Xeon E5-4640
Key Differences Key Differences AMD Epyc 7551 Intel Xeon E5-4640
Cores 32 8
CPU Threads 64 16
Base Clock Speed 2GHz 2.4GHz
Turbo Clock Speed 3GHz 2.8GHz
TDP (THERMAL DESIGN POINT) 180W 95W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7551 Intel Xeon E5-4640
CPU Speed & Cores 32 x 2GHz 8 x 2.4GHz
Number of CPU Threads 64 16
L2 Cache Size 16MB 2MB
L3 Cache Size 64MB 20MB
Turbo Boost Frequency 3GHz 2.8GHz
L1 Cache Size 3072KB 512KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 2MB/core 2.5MB/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 24
Features Features AMD Epyc 7551 Intel Xeon E5-4640
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 No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support No Yes
General info General info AMD Epyc 7551 Intel Xeon E5-4640
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 180W 95W
PCI Express Version 3 3
Transistor Count 19200 million 2270 million
Does it have Integrated Graphics No No
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory AMD Epyc 7551 Intel Xeon E5-4640
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 341GB/s 51.2GB/s
Max Memory Channels 8 4
Supported Memory Size 2000GB 1500GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 8GT/s
Benchmarks Benchmarks AMD Epyc 7551 Intel Xeon E5-4640
PassMark Score 19606 13141
PassMark Score (Single Thread) 1660 Not Known
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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