AMD Ryzen Threadripper 3990X vs AMD Phenom II X4 975

VS
AMD Ryzen Threadripper 3990X
AMD Ryzen Threadripper 3990X Image
AMD Phenom II X4 975
AMD Phenom II X4 975 Image
AMD Ryzen Threadripper 3990X
AMD Phenom II X4 975
Key Differences Key Differences AMD Ryzen Threadripper 3990X AMD Phenom II X4 975
Cores 64 4
CPU Threads 128 4
Base Clock Speed 2.9GHz 3.6GHz
Turbo Clock Speed 4.3GHz Not Known
TDP (THERMAL DESIGN POINT) 280W 125W
Has integrated graphics No No
Performance per watt 88.9 54.0
Performance Performance AMD Ryzen Threadripper 3990X AMD Phenom II X4 975
CPU Speed & Cores 64 x 2.9GHz 4 x 3.6GHz
Number of CPU Threads 128 4
L2 Cache Size 32MB 2MB
L3 Cache Size 256MB 6MB
Turbo Boost Frequency 4.3GHz Not Known
L1 Cache Size 4000KB 512KB
L2 Core 0.5MB/core 0.5MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 4MB/core 1.5MB/core
Clock Multiplier 29 18
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen Threadripper 3990X AMD Phenom II X4 975
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 Threadripper 3990X AMD Phenom II X4 975
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 7nm 45nm
TDP (Thermal Design Point) 280W 125W
PCI Express Version 4 2
CPU Temperature 68°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 Threadripper 3990X AMD Phenom II X4 975
RAM Memory Speed 3200MHz 1333MHz
Max Memory Bandwidth 95.37GB/s 21.3GB/s
Max Memory Channels 4 2
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks AMD Ryzen Threadripper 3990X AMD Phenom II X4 975
PassMark Score 80633 4697
PassMark Score (Single Thread) 2551 1285
Geekbench 5 Score (Multi-Thread) 24898 Not Known
Cinebench R20 Score (Single Thread) 495 Not Known
Cinebench R20 Score (Multi-Thread) 24763 Not Known
Geekbench 5 Score (Single Thread) 1207 Not Known
Blender Score (Classroom) 88.6seconds Not Known
Blender Score (bmw27) 30seconds Not Known
CPU Performance (Per Watt) 88.9 54.0
PassMark Score (Overclocked) Not Known 5208

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