AMD Epyc 7451 vs Intel Core i5-2550K

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AMD Epyc 7451
AMD Epyc 7451 Image
Intel Core i5-2550K
Intel Core i5-2550K Image
AMD Epyc 7451
Intel Core i5-2550K
Key Differences Key Differences AMD Epyc 7451 Intel Core i5-2550K
Cores 24 4
CPU Threads 48 4
Base Clock Speed 2.3GHz 3.4GHz
Turbo Clock Speed 3.2GHz 3.8GHz
TDP (THERMAL DESIGN POINT) 180W 95W
Has integrated graphics No No
Performance per watt Not Known 92.0
Performance Performance AMD Epyc 7451 Intel Core i5-2550K
CPU Speed & Cores 24 x 2.3GHz 4 x 3.4GHz
Number of CPU Threads 48 4
L2 Cache Size 12MB 1MB
L3 Cache Size 64MB 6MB
Turbo Boost Frequency 3.2GHz 3.8GHz
L1 Cache Size 2304KB 256KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 2.67MB/core 1.5MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 34
Features Features AMD Epyc 7451 Intel Core i5-2550K
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 No
General info General info AMD Epyc 7451 Intel Core i5-2550K
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 180W 95W
PCI Express Version 3 2
Transistor Count 19200 million 995 million
Does it have Integrated Graphics No No
DirectX Version Info Not Known 10.1
OpenGL Driver Version Not Known 3
OpenGL Driver Version Not Known 1.1
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory AMD Epyc 7451 Intel Core i5-2550K
RAM Memory Speed 2666MHz 1333MHz
Max Memory Bandwidth 341GB/s 21GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB 32GB
ECC (Error-Correcting Code) Memory Support Yes No
Bus Bandwidth Not Known 5GT/s
Benchmarks Benchmarks AMD Epyc 7451 Intel Core i5-2550K
PassMark Score 28957 6549
PassMark Score (Single Thread) 1601 1921
PassMark Score (Overclocked) Not Known 8164
CPU Performance (Per Watt) Not Known 92.0
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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