AMD Epyc 7742 vs AMD Ryzen V1807B

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AMD Epyc 7742
AMD Epyc 7742 Image
AMD Ryzen V1807B
AMD Ryzen V1807B Image
AMD Epyc 7742
AMD Ryzen V1807B
Key Differences Key Differences AMD Epyc 7742 AMD Ryzen V1807B
Cores 64 4
CPU Threads 128 8
Base Clock Speed 2.25GHz 3.35GHz
Turbo Clock Speed 3.4GHz 3.8GHz
TDP (THERMAL DESIGN POINT) 225W 54W
Has integrated graphics No Yes
Performance per watt 66.7 Not Known
Performance Performance AMD Epyc 7742 AMD Ryzen V1807B
CPU Speed & Cores 64 x 2.25GHz 4 x 3.35GHz
Number of CPU Threads 128 8
L2 Cache Size 32MB 2MB
L3 Cache Size 256MB 4MB
Turbo Boost Frequency 3.4GHz 3.8GHz
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 No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Epyc 7742 AMD Ryzen V1807B
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 V1807B
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 225W 54W
PCI Express Version 4 3
Does it have Integrated Graphics No Yes
CPU Temperature Not Known 90°C
DirectX Version Info Not Known 12
OpenGL Driver Version Not Known 4.5
OpenGL Driver Version Not Known 2
No. of Supported Displays Not Known 4
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 AMD Ryzen V1807B
RAM Memory Speed 3200MHz 3200MHz
Max Memory Bandwidth 190.7GB/s 47.68GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB 32GB
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Epyc 7742 AMD Ryzen V1807B
PassMark Score 67185 8528
PassMark Score (Single Thread) 2376 1806
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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