AMD Epyc 7662 vs AMD Epyc 7402

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AMD Epyc 7662
AMD Epyc 7662 Image
AMD Epyc 7402
AMD Epyc 7402 Image
AMD Epyc 7662
AMD Epyc 7402
Key Differences Key Differences AMD Epyc 7662 AMD Epyc 7402
Cores 64 24
CPU Threads 128 48
Base Clock Speed 2GHz 2.8GHz
Turbo Clock Speed 3.3GHz 3.35GHz
TDP (THERMAL DESIGN POINT) 225W 180W
Has integrated graphics No No
Performance per watt Not Known Not Known
Performance Performance AMD Epyc 7662 AMD Epyc 7402
CPU Speed & Cores 64 x 2GHz 24 x 2.8GHz
Number of CPU Threads 128 48
L2 Cache Size 32MB 12MB
L3 Cache Size 256MB 128MB
Turbo Boost Frequency 3.3GHz 3.35GHz
L1 Cache Size 4096KB 1536KB
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 Epyc 7402
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 Epyc 7402
Has 64-bit Support No Data Found No Data Found
TDP (Thermal Design Point) 225W 180W
PCI Express Version 4 4
Does it have Integrated Graphics No No
Semiconductor Size Not Known 14nm
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7662 AMD Epyc 7402
RAM Memory Speed 3200MHz 3200MHz
Max Memory Bandwidth 204.8GB/s 204.8GB/s
Max Memory Channels 8 8
Supported Memory Size 4000GB 4000GB
DDR Type Memory Version 4 4
ECC (Error-Correcting Code) Memory Support No Yes
Benchmarks Benchmarks AMD Epyc 7662 AMD Epyc 7402
Cinebench R20 Score (Multi-Thread) 18203 Not Known
Cinebench R20 Score (Single Thread) 386 Not Known

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