AMD Epyc 7642 vs AMD Epyc Embedded 3251

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AMD Epyc 7642
AMD Epyc 7642 Image
AMD Epyc Embedded 3251
AMD Epyc Embedded 3251 Image
AMD Epyc 7642
AMD Epyc Embedded 3251
Key Differences Key Differences AMD Epyc 7642 AMD Epyc Embedded 3251
Cores 48 8
CPU Threads 96 16
Base Clock Speed 2.3GHz 2.5GHz
Turbo Clock Speed 3.3GHz 3.1GHz
TDP (THERMAL DESIGN POINT) 225W 50W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7642 AMD Epyc Embedded 3251
CPU Speed & Cores 48 x 2.3GHz 8 x 2.5GHz
Number of CPU Threads 96 16
L2 Cache Size 24MB Not Known
L3 Cache Size 256MB Not Known
Turbo Boost Frequency 3.3GHz 3.1GHz
L1 Cache Size 3072KB Not Known
L2 Core 0.5MB/core Not Known
L3 Core 5.33MB/core Not Known
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 25
Features Features AMD Epyc 7642 AMD Epyc Embedded 3251
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 No
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No No
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7642 AMD Epyc Embedded 3251
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 50W
PCI Express Version 4 3
Does it have Integrated Graphics No No
CPU Temperature Not Known 105°C
Transistor Count Not Known 4800 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7642 AMD Epyc Embedded 3251
RAM Memory Speed 3200MHz 2666MHz
Max Memory Bandwidth 190.7GB/s 39.74GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 512GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 Not Known

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