AMD Epyc 7642 vs AMD FX-4300

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AMD Epyc 7642
AMD Epyc 7642 Image
AMD FX-4300
AMD FX-4300 Image
AMD Epyc 7642
AMD FX-4300
Key Differences Key Differences AMD Epyc 7642 AMD FX-4300
Cores 48 4
CPU Threads 96 4
Base Clock Speed 2.3GHz 3.8GHz
Turbo Clock Speed 3.3GHz 4GHz
TDP (THERMAL DESIGN POINT) 225W 95W
Has integrated graphics No No
Performance per watt Not Known 66.0
Performance Performance AMD Epyc 7642 AMD FX-4300
CPU Speed & Cores 48 x 2.3GHz 4 x 3.8GHz
Number of CPU Threads 96 4
L2 Cache Size 24MB 4MB
L3 Cache Size 256MB 4MB
Turbo Boost Frequency 3.3GHz 4GHz
L1 Cache Size 3072KB 192KB
L2 Core 0.5MB/core 1MB/core
L3 Core 5.33MB/core 1MB/core
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Core Tech Version Not Known 3
Features Features AMD Epyc 7642 AMD FX-4300
Has AES Support Yes Yes
Supported SSE Version 4.2 4.2
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes Yes
Has FMA4 Instructions Support No Yes
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
General info General info AMD Epyc 7642 AMD FX-4300
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 225W 95W
PCI Express Version 4 2
Does it have Integrated Graphics No No
Transistor Count Not Known 1200 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7642 AMD FX-4300
RAM Memory Speed 3200MHz 1866MHz
Max Memory Bandwidth 190.7GB/s 21GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB Not Known
ECC (Error-Correcting Code) Memory Support Yes No
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 5.4GT/s
Benchmarks Benchmarks AMD Epyc 7642 AMD FX-4300
PassMark Score Not Known 4820
PassMark Score (Single Thread) Not Known 1403
PassMark Score (Overclocked) Not Known 5447
CPU Performance (Per Watt) Not Known 66.0
Power Consumption Under High Load Not Known 135.8W
Standard Power Consumption Not Known 73.3W

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