AMD Epyc 7642 vs AMD Opteron 6140

VS
AMD Epyc 7642
AMD Epyc 7642 Image
AMD Opteron 6140
AMD Opteron 6140 Image
AMD Epyc 7642
AMD Opteron 6140
Key Differences Key Differences AMD Epyc 7642 AMD Opteron 6140
Cores 48 8
CPU Threads 96 8
Base Clock Speed 2.3GHz 2.6GHz
Turbo Clock Speed 3.3GHz Not Known
TDP (THERMAL DESIGN POINT) 225W 115W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7642 AMD Opteron 6140
CPU Speed & Cores 48 x 2.3GHz 8 x 2.6GHz
Number of CPU Threads 96 8
L2 Cache Size 24MB 4MB
L3 Cache Size 256MB 12MB
Turbo Boost Frequency 3.3GHz Not Known
L1 Cache Size 3072KB 1024KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 5.33MB/core 1.5MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7642 AMD Opteron 6140
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 No
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 Opteron 6140
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm Not Known
TDP (Thermal Design Point) 225W 115W
PCI Express Version 4 Not Known
Does it have Integrated Graphics No No
CPU Temperature Not Known 70°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7642 AMD Opteron 6140
RAM Memory Speed 3200MHz 1333MHz
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 Yes
DDR Type Memory Version 4 Not Known
Bus Frequency Not Known 3.2GHz

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