AMD Epyc 7642 vs AMD Phenom II X940 Black Edition

VS
AMD Epyc 7642
AMD Epyc 7642 Image
AMD Phenom II X940 Black Edition
AMD Phenom II X940 Black Edition Image
AMD Epyc 7642
AMD Phenom II X940 Black Edition
Key Differences Key Differences AMD Epyc 7642 AMD Phenom II X940 Black Edition
Cores 48 4
CPU Threads 96 4
Base Clock Speed 2.3GHz 2.4GHz
Turbo Clock Speed 3.3GHz Not Known
TDP (THERMAL DESIGN POINT) 225W 45W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7642 AMD Phenom II X940 Black Edition
CPU Speed & Cores 48 x 2.3GHz 4 x 2.4GHz
Number of CPU Threads 96 4
L2 Cache Size 24MB 2MB
L3 Cache Size 256MB Not Known
Turbo Boost Frequency 3.3GHz Not Known
L1 Cache Size 3072KB 512KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 5.33MB/core Not Known
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 12
Features Features AMD Epyc 7642 AMD Phenom II X940 Black Edition
Has AES Support Yes No
Supported SSE Version 4.2 4
Has AVX Support Yes No
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has FMA4 Instructions Support No No
Has Multithreading Tech 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
General info General info AMD Epyc 7642 AMD Phenom II X940 Black Edition
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 45nm
TDP (Thermal Design Point) 225W 45W
PCI Express Version 4 Not Known
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7642 AMD Phenom II X940 Black Edition
RAM Memory Speed 3200MHz Not Known
Max Memory Bandwidth 190.7GB/s Not Known
Max Memory Channels 8 Not Known
Supported Memory Size 4000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Bus Frequency Not Known 1800GHz

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