AMD Ryzen 7 3800X vs AMD Phenom II X4 975

VS
AMD Ryzen 7 3800X
AMD Ryzen 7 3800X Image
AMD Phenom II X4 975
AMD Phenom II X4 975 Image
AMD Ryzen 7 3800X
AMD Phenom II X4 975
Key Differences Key Differences AMD Ryzen 7 3800X AMD Phenom II X4 975
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.9GHz 3.6GHz
Turbo Clock Speed 4.5GHz Not Known
TDP (THERMAL DESIGN POINT) 105W 125W
Has integrated graphics No No
Performance per watt 85.3 54.0
Performance Performance AMD Ryzen 7 3800X AMD Phenom II X4 975
CPU Speed & Cores 8 x 3.9GHz 4 x 3.6GHz
Number of CPU Threads 16 4
L2 Cache Size 4MB 2MB
L3 Cache Size 32MB 6MB
Turbo Boost Frequency 4.5GHz Not Known
L1 Cache Size 512KB 512KB
L2 Core 0.5MB/core 0.5MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 4MB/core 1.5MB/core
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 18
Features Features AMD Ryzen 7 3800X AMD Phenom II X4 975
Has AES Support Yes No
Supports CPU Throttling Yes Yes
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 FMA3 Instructions Support Yes No
Supports ARM TrustZone Tech No No
Has NX Processor Bit Support No Yes
General info General info AMD Ryzen 7 3800X AMD Phenom II X4 975
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
CPU Temperature 95°C Not Known
Does it have Integrated Graphics No No
Transistor Count Not Known 758 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Ryzen 7 3800X AMD Phenom II X4 975
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
DDR Type Memory Version 4 Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks AMD Ryzen 7 3800X AMD Phenom II X4 975
PassMark Score 23374 4697
PassMark Score (Single Thread) 2746 1285
Geekbench 5 Score (Multi-Thread) 8957 Not Known
Cinebench R20 Score (Single Thread) 509 Not Known
Cinebench R20 Score (Multi-Thread) 4960 Not Known
Geekbench 5 Score (Single Thread) 1291 Not Known
Blender Score (Classroom) 520.7seconds Not Known
Blender Score (bmw27) 171.6seconds Not Known
PassMark Score (Overclocked) 23827 5208
CPU Performance (Per Watt) 85.3 54.0

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