Intel Core i5-9400 vs AMD Epyc 7251

VS
Intel Core i5-9400
Intel Core i5-9400 Image
AMD Epyc 7251
AMD Epyc 7251 Image
Intel Core i5-9400
AMD Epyc 7251
Key Differences Key Differences Intel Core i5-9400 AMD Epyc 7251
Cores 6 8
CPU Threads 6 16
Base Clock Speed 2.9GHz 2.1GHz
Turbo Clock Speed 4.1GHz 2.9GHz
TDP (THERMAL DESIGN POINT) 65W 120W
Has integrated graphics Yes No
Performance per watt 70.6 Not Known
Performance Performance Intel Core i5-9400 AMD Epyc 7251
CPU Speed & Cores 6 x 2.9GHz 8 x 2.1GHz
Number of CPU Threads 6 16
L2 Cache Size 1.5MB 4MB
L3 Cache Size 9MB 32MB
Turbo Boost Frequency 4.1GHz 2.9GHz
L1 Cache Size 384KB 768KB
L2 Core 0.25MB/core 0.5MB/core
L3 Core 1.5MB/core 4MB/core
Clock Multiplier 29 21
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 i5-9400 AMD Epyc 7251
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 i5-9400 AMD Epyc 7251
Width Size 37.5mm No Data Found
Height 37.5mm No Data Found
General info General info Intel Core i5-9400 AMD Epyc 7251
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 65W 120W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.5 Not Known
GPU Boost Clock Speed 1050MHz Not Known
No. of Supported Displays 3 Not Known
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
Does it have Integrated Graphics Yes No
Transistor Count Not Known 19200 million
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i5-9400 AMD Epyc 7251
RAM Memory Speed 2666MHz 2400MHz
Max Memory Bandwidth 41.6GB/s 307GB/s
Max Memory Channels 2 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 Not Known
Benchmarks Benchmarks Intel Core i5-9400 AMD Epyc 7251
PassMark Score 9548 10771
PassMark Score (Single Thread) 2503 1523
Geekbench 5 Score (Multi-Thread) 4586 Not Known
Geekbench 5 Score (Single Thread) 1060 Not Known
Blender Score (Classroom) 1065.9seconds Not Known
Blender Score (bmw27) 349.4seconds Not Known
PassMark Score (Overclocked) 10436 Not Known
CPU Performance (Per Watt) 70.6 Not Known

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