AMD Epyc 7742 vs Intel Core i5-6400

VS
AMD Epyc 7742
AMD Epyc 7742 Image
Intel Core i5-6400
Intel Core i5-6400 Image
AMD Epyc 7742
Intel Core i5-6400
Key Differences Key Differences AMD Epyc 7742 Intel Core i5-6400
Cores 64 4
CPU Threads 128 4
Base Clock Speed 2.25GHz 2.7GHz
Turbo Clock Speed 3.4GHz 3.3GHz
TDP (THERMAL DESIGN POINT) 225W 65W
Has integrated graphics No Yes
Performance per watt 66.7 236.8
Performance Performance AMD Epyc 7742 Intel Core i5-6400
CPU Speed & Cores 64 x 2.25GHz 4 x 2.7GHz
Number of CPU Threads 128 4
L2 Cache Size 32MB 1MB
L3 Cache Size 256MB 6MB
Turbo Boost Frequency 3.4GHz 3.3GHz
L1 Cache Size 4096KB 128KB
L2 Core 0.5MB/core 0.2MB/core
L3 Core 4MB/core 1.5MB/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 27
Features Features AMD Epyc 7742 Intel Core i5-6400
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 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 CPU Throttling No Yes
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7742 Intel Core i5-6400
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 65W
PCI Express Version 4 3
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 350MHz
CPU Temperature Not Known 71°C
DirectX Version Info Not Known 12
OpenGL Driver Version Not Known 4.4
OpenGL Driver Version Not Known 2
GPU Boost Clock Speed Not Known 950MHz
Total GPU Execution Units Not Known 24
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 Intel Core i5-6400
RAM Memory Speed 3200MHz 2133MHz
Max Memory Bandwidth 190.7GB/s 34.1GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 64GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 8GT/s
Benchmarks Benchmarks AMD Epyc 7742 Intel Core i5-6400
PassMark Score 67185 6554
PassMark Score (Single Thread) 2376 1825
Geekbench 5 Score (Multi-Thread) 15005 Not Known
Cinebench R20 Score (Multi-Thread) 20644 Not Known
Cinebench R20 Score (Single Thread) 398 Not Known
Geekbench 5 Score (Single Thread) 725 Not Known
Blender Score (bmw27) 33.9seconds Not Known
Blender Score (Classroom) 95.8seconds Not Known
CPU Performance (Per Watt) 66.7 236.8
PassMark Score (Overclocked) Not Known 7199

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