AMD Ryzen 7 1700x vs AMD Athlon II X4 638

VS
AMD Ryzen 7 1700x
AMD Ryzen 7 1700x Image
AMD Athlon II X4 638
AMD Athlon II X4 638 Image
AMD Ryzen 7 1700x
AMD Athlon II X4 638
Key Differences Key Differences AMD Ryzen 7 1700x AMD Athlon II X4 638
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.4GHz 2.7GHz
Turbo Clock Speed 3.8GHz Not Known
TDP (THERMAL DESIGN POINT) 95W 65W
Has integrated graphics No No
Performance per watt 63.6 55.0
Performance Performance AMD Ryzen 7 1700x AMD Athlon II X4 638
CPU Speed & Cores 8 x 3.4GHz 4 x 2.7GHz
Number of CPU Threads 16 4
L2 Cache Size 4MB 4MB
L3 Cache Size 16MB Not Known
Turbo Boost Frequency 3.8GHz Not Known
L1 Cache Size 768KB 512KB
L2 Core 0.5MB/core 1MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features AMD Ryzen 7 1700x AMD Athlon II X4 638
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 1700x AMD Athlon II X4 638
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 95W 65W
PCI Express Version 3 2
Transistor Count 4800 million 1178 million
Supports Power Optimized L2 Cache No No
Does it have Integrated Graphics No No
Memory Memory AMD Ryzen 7 1700x AMD Athlon II X4 638
RAM Memory Speed 2667MHz 1866MHz
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 1700x AMD Athlon II X4 638
PassMark Score 15605 Not Known
PassMark Score (Single Thread) 2078 Not Known
Geekbench 5 Score (Multi-Thread) 6043 Not Known
Cinebench R20 Score (Multi-Thread) 3336 Not Known
Cinebench R20 Score (Single Thread) 344 Not Known
Geekbench 5 Score (Single Thread) 895 Not Known
Blender Score (Classroom) 743.5seconds Not Known
Blender Score (bmw27) 246.7seconds Not Known
PassMark Score (Overclocked) 16739 Not Known
CPU Performance (Per Watt) 63.6 55.0

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