AMD Ryzen 7 1800x vs AMD Phenom II X4 975

VS
AMD Ryzen 7 1800x
AMD Ryzen 7 1800x Image
AMD Phenom II X4 975
AMD Phenom II X4 975 Image
AMD Ryzen 7 1800x
AMD Phenom II X4 975
Key Differences Key Differences AMD Ryzen 7 1800x AMD Phenom II X4 975
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.6GHz 3.6GHz
Turbo Clock Speed 4GHz Not Known
TDP (THERMAL DESIGN POINT) 95W 125W
Has integrated graphics No No
Performance per watt 66.8 54.0
Performance Performance AMD Ryzen 7 1800x AMD Phenom II X4 975
CPU Speed & Cores 8 x 3.6GHz 4 x 3.6GHz
Number of CPU Threads 16 4
L2 Cache Size 4MB 2MB
L3 Cache Size 16MB 6MB
Turbo Boost Frequency 4GHz Not Known
L1 Cache Size 768KB 512KB
L2 Core 0.5MB/core 0.5MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/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 1800x 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 Yes 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 1800x AMD Phenom II X4 975
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 45nm
TDP (Thermal Design Point) 95W 125W
PCI Express Version 3 2
Transistor Count 4800 million 758 million
Supports Power Optimized L2 Cache No No
Does it have Integrated Graphics No No
Memory Memory AMD Ryzen 7 1800x AMD Phenom II X4 975
RAM Memory Speed 2667MHz 1333MHz
Max Memory Channels 2 2
Supported Memory Size 128GB Not Known
DDR Type Memory Version 4 Not Known
Max Memory Bandwidth Not Known 21.3GB/s
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks AMD Ryzen 7 1800x AMD Phenom II X4 975
PassMark Score 16234 4697
PassMark Score (Single Thread) 2172 1285
Geekbench 5 Score (Multi-Thread) 6344 Not Known
Cinebench R20 Score (Multi-Thread) 3587 Not Known
Cinebench R20 Score (Single Thread) 381 Not Known
Geekbench 5 Score (Single Thread) 935 Not Known
Blender Score (Classroom) 708.7seconds Not Known
Blender Score (bmw27) 233.4seconds Not Known
PassMark Score (Overclocked) 17189 5208
CPU Performance (Per Watt) 66.8 54.0

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