AMD Epyc 7551 vs Intel Xeon E5-2643

VS
AMD Epyc 7551
AMD Epyc 7551 Image
Intel Xeon E5-2643
Intel Xeon E5-2643 Image
AMD Epyc 7551
Intel Xeon E5-2643
Key Differences Key Differences AMD Epyc 7551 Intel Xeon E5-2643
Cores 32 4
CPU Threads 64 8
Base Clock Speed 2GHz 3.3GHz
Turbo Clock Speed 3GHz 3.5GHz
TDP (THERMAL DESIGN POINT) 180W 130W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7551 Intel Xeon E5-2643
CPU Speed & Cores 32 x 2GHz 4 x 3.3GHz
Number of CPU Threads 64 8
L2 Cache Size 16MB 1MB
L3 Cache Size 64MB 10MB
Turbo Boost Frequency 3GHz 3.5GHz
L1 Cache Size 3072KB 256KB
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 33
Features Features AMD Epyc 7551 Intel Xeon E5-2643
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 E5-2643
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 180W 130W
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 E5-2643
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 341GB/s 51.2GB/s
Max Memory Channels 8 4
Supported Memory Size 2000GB 750GB
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 E5-2643
PassMark Score 19606 8501
PassMark Score (Single Thread) 1660 1786
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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