AMD Ryzen 7 5800X vs AMD Phenom II X4 955

VS
AMD Ryzen 7 5800X
AMD Ryzen 7 5800X Image
AMD Phenom II X4 955
AMD Phenom II X4 955 Image
AMD Ryzen 7 5800X
AMD Phenom II X4 955
Key Differences Key Differences AMD Ryzen 7 5800X AMD Phenom II X4 955
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.8GHz 3.2GHz
Turbo Clock Speed 4.7GHz Not Known
TDP (THERMAL DESIGN POINT) 105W 125W
Has integrated graphics No No
Performance per watt 98.4 49.0
Performance Performance AMD Ryzen 7 5800X AMD Phenom II X4 955
CPU Speed & Cores 8 x 3.8GHz 4 x 3.2GHz
Number of CPU Threads 16 4
L2 Cache Size 4MB 2MB
L3 Cache Size 32MB 6MB
Turbo Boost Frequency 4.7GHz Not Known
L1 Cache Size 512KB 512KB
L2 Core 0.5MB/core 0.5MB/core
L3 Core 4MB/core 1.5MB/core
Does it have an unlocked multiplier Yes Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 16
Features Features AMD Ryzen 7 5800X 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 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 Ryzen 7 5800X AMD Phenom II X4 955
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 45nm
TDP (Thermal Design Point) 105W 125W
PCI Express Version 4 2
Does it have Integrated Graphics No No
CPU Temperature 90°C Not Known
Transistor Count Not Known 758 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 7 5800X AMD Phenom II X4 955
RAM Memory Speed 3200MHz 1333MHz
Max Memory Bandwidth 47.68GB/s 21.3GB/s
Max Memory Channels 2 2
Supported Memory Size 128GB Not Known
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Ryzen 7 5800X AMD Phenom II X4 955
PassMark Score 28752 4023
PassMark Score (Single Thread) 3513 1121
Geekbench 5 Score (Multi-Thread) 10330 Not Known
Cinebench R20 Score (Multi-Thread) 5724 Not Known
Cinebench R20 Score (Single Thread) 628 Not Known
Geekbench 5 Score (Single Thread) 1658 Not Known
PassMark Score (Overclocked) Not Known 4754
CPU Performance (Per Watt) 98.4 49.0

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