AMD Epyc 7742 vs AMD Phenom II X920 Black Edition

VS
AMD Epyc 7742
AMD Epyc 7742 Image
AMD Phenom II X920 Black Edition
AMD Phenom II X920 Black Edition Image
AMD Epyc 7742
AMD Phenom II X920 Black Edition
Key Differences Key Differences AMD Epyc 7742 AMD Phenom II X920 Black Edition
Cores 64 4
CPU Threads 128 4
Base Clock Speed 2.25GHz 2.3GHz
Turbo Clock Speed 3.4GHz Not Known
TDP (THERMAL DESIGN POINT) 225W 45W
Has integrated graphics No No
Performance per watt 66.7 96.0
Performance Performance AMD Epyc 7742 AMD Phenom II X920 Black Edition
CPU Speed & Cores 64 x 2.25GHz 4 x 2.3GHz
Number of CPU Threads 128 4
L2 Cache Size 32MB 1MB
L3 Cache Size 256MB Not Known
Turbo Boost Frequency 3.4GHz Not Known
L1 Cache Size 4096KB 512KB
L2 Core 0.5MB/core 0.25MB/core
L3 Core 4MB/core Not Known
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 11
Features Features AMD Epyc 7742 AMD Phenom II X920 Black Edition
Has AES Support Yes No
Supported SSE Version 4.2 4
Has AVX Support Yes No
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7742 AMD Phenom II X920 Black Edition
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 45nm
TDP (Thermal Design Point) 225W 45W
PCI Express Version 4 Not Known
Does it have Integrated Graphics No No
3DMark06 Score Not Known 3241
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7742 AMD Phenom II X920 Black Edition
RAM Memory Speed 3200MHz 1333MHz
Max Memory Bandwidth 190.7GB/s Not Known
Max Memory Channels 8 Not Known
Supported Memory Size 4000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Bus Frequency Not Known 1800GHz
Benchmarks Benchmarks AMD Epyc 7742 AMD Phenom II X920 Black Edition
PassMark Score 67185 2821
PassMark Score (Single Thread) 2376 830
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 96.0

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