AMD Epyc 7742 vs AMD Ryzen 7 4800HS

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AMD Epyc 7742
AMD Epyc 7742 Image
AMD Ryzen 7 4800HS
AMD Ryzen 7 4800HS Image
AMD Epyc 7742
AMD Ryzen 7 4800HS
Key Differences Key Differences AMD Epyc 7742 AMD Ryzen 7 4800HS
Cores 64 8
CPU Threads 128 16
Base Clock Speed 2.25GHz 2.9GHz
Turbo Clock Speed 3.4GHz 4.2GHz
TDP (THERMAL DESIGN POINT) 225W 35W
Has integrated graphics No Yes
Performance per watt 66.7 193.0
Performance Performance AMD Epyc 7742 AMD Ryzen 7 4800HS
CPU Speed & Cores 64 x 2.25GHz 8 x 2.9GHz
Number of CPU Threads 128 16
L2 Cache Size 32MB 4MB
L3 Cache Size 256MB 8MB
Turbo Boost Frequency 3.4GHz 4.2GHz
L1 Cache Size 4096KB 1024KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 1.5MB/core
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 29
Features Features AMD Epyc 7742 AMD Ryzen 7 4800HS
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 Ryzen 7 4800HS
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 7nm
TDP (Thermal Design Point) 225W 35W
PCI Express Version 4 3
Does it have Integrated Graphics No Yes
CPU Temperature Not Known 105°C
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 AMD Ryzen 7 4800HS
RAM Memory Speed 3200MHz 4266MHz
Max Memory Bandwidth 190.7GB/s Not Known
Max Memory Channels 8 2
Supported Memory Size 4000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 4
Benchmarks Benchmarks AMD Epyc 7742 AMD Ryzen 7 4800HS
PassMark Score 67185 19025
PassMark Score (Single Thread) 2376 2632
Geekbench 5 Score (Multi-Thread) 15005 6755
Cinebench R20 Score (Multi-Thread) 20644 3847
Cinebench R20 Score (Single Thread) 398 472
Geekbench 5 Score (Single Thread) 725 1081
Blender Score (bmw27) 33.9seconds Not Known
Blender Score (Classroom) 95.8seconds Not Known
CPU Performance (Per Watt) 66.7 193.0

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