AMD Epyc 7662 vs AMD Ryzen 9 Pro 3900

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AMD Epyc 7662
AMD Epyc 7662 Image
AMD Ryzen 9 Pro 3900
AMD Ryzen 9 Pro 3900 Image
AMD Epyc 7662
AMD Ryzen 9 Pro 3900
Key Differences Key Differences AMD Epyc 7662 AMD Ryzen 9 Pro 3900
Cores 64 12
CPU Threads 128 24
Base Clock Speed 2GHz 3.1GHz
Turbo Clock Speed 3.3GHz 4.3GHz
TDP (THERMAL DESIGN POINT) 225W 65W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7662 AMD Ryzen 9 Pro 3900
CPU Speed & Cores 64 x 2GHz 12 x 3.1GHz
Number of CPU Threads 128 24
L2 Cache Size 32MB 6MB
L3 Cache Size 256MB 64MB
Turbo Boost Frequency 3.3GHz 4.3GHz
L1 Cache Size 4096KB 768KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 5.33MB/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 7662 AMD Ryzen 9 Pro 3900
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 No
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7662 AMD Ryzen 9 Pro 3900
Has 64-bit Support No Data Found No Data Found
TDP (Thermal Design Point) 225W 65W
PCI Express Version 4 4
Does it have Integrated Graphics No No
Semiconductor Size Not Known 7nm
CPU Temperature Not Known 95°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7662 AMD Ryzen 9 Pro 3900
RAM Memory Speed 3200MHz 3200MHz
Max Memory Bandwidth 204.8GB/s 47.68GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 128GB
DDR Type Memory Version 4 4
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks AMD Epyc 7662 AMD Ryzen 9 Pro 3900
Cinebench R20 Score (Multi-Thread) 18203 Not Known
Cinebench R20 Score (Single Thread) 386 Not Known
PassMark Score Not Known 31800
PassMark Score (Single Thread) Not Known 2637

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