AMD Epyc 7742 vs AMD Ryzen 5 3400G

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AMD Epyc 7742
AMD Epyc 7742 Image
AMD Ryzen 5 3400G
AMD Ryzen 5 3400G Image
AMD Epyc 7742
AMD Ryzen 5 3400G
Key Differences Key Differences AMD Epyc 7742 AMD Ryzen 5 3400G
Cores 64 4
CPU Threads 128 8
Base Clock Speed 2.25GHz 3.7GHz
Turbo Clock Speed 3.4GHz 4.2GHz
TDP (THERMAL DESIGN POINT) 225W 65W
Has integrated graphics No Yes
Performance per watt 66.7 55.6
Performance Performance AMD Epyc 7742 AMD Ryzen 5 3400G
CPU Speed & Cores 64 x 2.25GHz 4 x 3.7GHz
Number of CPU Threads 128 8
L2 Cache Size 32MB 2MB
L3 Cache Size 256MB 4MB
Turbo Boost Frequency 3.4GHz 4.2GHz
L1 Cache Size 4096KB 384KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 1MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7742 AMD Ryzen 5 3400G
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 Yes
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7742 AMD Ryzen 5 3400G
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 12nm
TDP (Thermal Design Point) 225W 65W
PCI Express Version 4 3
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 1400MHz
CPU Temperature Not Known 95°C
DirectX Version Info Not Known 12
OpenGL Driver Version Not Known 4.6
OpenGL Driver Version Not Known 2.2
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 AMD Ryzen 5 3400G
RAM Memory Speed 3200MHz 2933MHz
Max Memory Bandwidth 190.7GB/s 43.71GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 64GB
ECC (Error-Correcting Code) Memory Support Yes Yes
DDR Type Memory Version 4 4
Benchmarks Benchmarks AMD Epyc 7742 AMD Ryzen 5 3400G
PassMark Score 67185 9390
PassMark Score (Single Thread) 2376 2379
Geekbench 5 Score (Multi-Thread) 15005 3614
Cinebench R20 Score (Multi-Thread) 20644 1969
Cinebench R20 Score (Single Thread) 398 412
Geekbench 5 Score (Single Thread) 725 934
Blender Score (bmw27) 33.9seconds 465.7seconds
Blender Score (Classroom) 95.8seconds 1460.1seconds
CPU Performance (Per Watt) 66.7 55.6
PassMark Score (Overclocked) Not Known 9752

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