AMD Epyc 7742 vs AMD Epyc 7452

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AMD Epyc 7742
AMD Epyc 7742 Image
AMD Epyc 7452
AMD Epyc 7452 Image
AMD Epyc 7742
AMD Epyc 7452
Key Differences Key Differences AMD Epyc 7742 AMD Epyc 7452
Cores 64 32
CPU Threads 128 64
Base Clock Speed 2.25GHz 2.35GHz
Turbo Clock Speed 3.4GHz 3.35GHz
TDP (THERMAL DESIGN POINT) 225W 155W
Has integrated graphics No No
Performance per watt 66.7 Not Known
Performance Performance AMD Epyc 7742 AMD Epyc 7452
CPU Speed & Cores 64 x 2.25GHz 32 x 2.35GHz
Number of CPU Threads 128 64
L2 Cache Size 32MB 16MB
L3 Cache Size 256MB 128MB
Turbo Boost Frequency 3.4GHz 3.35GHz
L1 Cache Size 4096KB 2048KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 4MB/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 7742 AMD Epyc 7452
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 7742 AMD Epyc 7452
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 155W
PCI Express Version 4 4
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 AMD Epyc 7452
RAM Memory Speed 3200MHz 3200MHz
Max Memory Bandwidth 190.7GB/s 204.8GB/s
Max Memory Channels 8 8
Supported Memory Size 4000GB 4000GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 4
Benchmarks Benchmarks AMD Epyc 7742 AMD Epyc 7452
PassMark Score 67185 45056
PassMark Score (Single Thread) 2376 2177
Geekbench 5 Score (Multi-Thread) 15005 Not Known
Cinebench R20 Score (Multi-Thread) 20644 Not Known
Cinebench R20 Score (Single Thread) 398 Not Known
Geekbench 5 Score (Single Thread) 725 Not Known
Blender Score (bmw27) 33.9seconds Not Known
Blender Score (Classroom) 95.8seconds Not Known
CPU Performance (Per Watt) 66.7 Not Known

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