AMD Epyc 7642 vs Intel Core i7-4790K

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AMD Epyc 7642
AMD Epyc 7642 Image
Intel Core i7-4790K
Intel Core i7-4790K Image
AMD Epyc 7642
Intel Core i7-4790K
Key Differences Key Differences AMD Epyc 7642 Intel Core i7-4790K
Cores 48 4
CPU Threads 96 8
Base Clock Speed 2.3GHz 4GHz
Turbo Clock Speed 3.3GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 225W 88W
Has integrated graphics No Yes
Performance per watt Not Known 45.4
Performance Performance AMD Epyc 7642 Intel Core i7-4790K
CPU Speed & Cores 48 x 2.3GHz 4 x 4GHz
Number of CPU Threads 96 8
L2 Cache Size 24MB 1MB
L3 Cache Size 256MB 8MB
Turbo Boost Frequency 3.3GHz 4.4GHz
L1 Cache Size 3072KB 256KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 5.33MB/core 2MB/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 40
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Features Features AMD Epyc 7642 Intel Core i7-4790K
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 Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
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General info General info AMD Epyc 7642 Intel Core i7-4790K
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 22nm
TDP (Thermal Design Point) 225W 88W
PCI Express Version 4 3
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 350MHz
CPU Temperature Not Known 72.72°C
Transistor Count Not Known 1400 million
OpenGL Driver Version Not Known 4
GPU Boost Clock Speed Not Known 1250MHz
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
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Memory Memory AMD Epyc 7642 Intel Core i7-4790K
RAM Memory Speed 3200MHz 1600MHz
Max Memory Bandwidth 190.7GB/s 25.6GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 32GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 3
Bus Bandwidth Not Known 5GT/s
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Benchmarks Benchmarks AMD Epyc 7642 Intel Core i7-4790K
Cinebench R20 Score (Single Thread) Not Known 411
PassMark Score Not Known 8089
PassMark Score (Single Thread) Not Known 2484
Geekbench 5 Score (Multi-Thread) Not Known 3991
Cinebench R20 Score (Multi-Thread) Not Known 1982
Geekbench 5 Score (Single Thread) Not Known 1068
Blender Score (bmw27) Not Known 423.2seconds
Blender Score (Classroom) Not Known 1320.7seconds
PassMark Score (Overclocked) Not Known 8880
CPU Performance (Per Watt) Not Known 45.4
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