AMD Epyc 7601 vs AMD Phenom II X4 955

VS
AMD Epyc 7601
AMD Epyc 7601 Image
AMD Phenom II X4 955
AMD Phenom II X4 955 Image
AMD Epyc 7601
AMD Phenom II X4 955
Key Differences Key Differences AMD Epyc 7601 AMD Phenom II X4 955
Cores 32 4
CPU Threads 64 4
Base Clock Speed 2.2GHz 3.2GHz
Turbo Clock Speed 3.2GHz Not Known
TDP (THERMAL DESIGN POINT) 180W 125W
Has integrated graphics No No
Performance per watt Not Known 49.0
Performance Performance AMD Epyc 7601 AMD Phenom II X4 955
CPU Speed & Cores 32 x 2.2GHz 4 x 3.2GHz
Number of CPU Threads 64 4
L2 Cache Size 16MB 2MB
L3 Cache Size 64MB 6MB
Turbo Boost Frequency 3.2GHz Not Known
L1 Cache Size 3072KB 512KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 2MB/core 1.5MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 16
Features Features AMD Epyc 7601 AMD Phenom II X4 955
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 NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Has Multithreading Tech Support No No
General info General info AMD Epyc 7601 AMD Phenom II X4 955
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 45nm
TDP (Thermal Design Point) 180W 125W
PCI Express Version 3 2
Does it have Integrated Graphics No No
Transistor Count Not Known 758 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7601 AMD Phenom II X4 955
RAM Memory Speed 2666MHz 1333MHz
Max Memory Bandwidth 158.95GB/s 21.3GB/s
Max Memory Channels 8 2
Supported Memory Size 2000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
Benchmarks Benchmarks AMD Epyc 7601 AMD Phenom II X4 955
PassMark Score 33545 4023
PassMark Score (Single Thread) 1706 1121
PassMark Score (Overclocked) Not Known 4754
CPU Performance (Per Watt) Not Known 49.0

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