AMD Epyc 7662 vs AMD FX-8320

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AMD Epyc 7662
AMD Epyc 7662 Image
AMD FX-8320
AMD FX-8320 Image
AMD Epyc 7662
AMD FX-8320
Key Differences Key Differences AMD Epyc 7662 AMD FX-8320
Cores 64 8
CPU Threads 128 8
Base Clock Speed 2GHz 3.5GHz
Turbo Clock Speed 3.3GHz 4GHz
TDP (THERMAL DESIGN POINT) 225W 125W
Has integrated graphics No No
Performance per watt Not Known 75.0
Performance Performance AMD Epyc 7662 AMD FX-8320
CPU Speed & Cores 64 x 2GHz 8 x 3.5GHz
Number of CPU Threads 128 8
L2 Cache Size 32MB 8MB
L3 Cache Size 256MB 8MB
Turbo Boost Frequency 3.3GHz 4GHz
L1 Cache Size 4096KB 384KB
L2 Core 0.5MB/core 1MB/core
L3 Core 4MB/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 7662 AMD FX-8320
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 7662 AMD FX-8320
Has 64-bit Support No Data Found No Data Found
TDP (Thermal Design Point) 225W 125W
PCI Express Version 4 2
Does it have Integrated Graphics No No
Semiconductor Size Not Known 32nm
CPU Temperature Not Known 61.1°C
Transistor Count Not Known 1200 million
Supports Power Optimized L2 Cache No No
Memory Memory AMD Epyc 7662 AMD FX-8320
RAM Memory Speed 3200MHz 1866MHz
Max Memory Bandwidth 204.8GB/s 21GB/s
Max Memory Channels 8 2
Supported Memory Size 4000GB Not Known
DDR Type Memory Version 4 Not Known
Bus Bandwidth Not Known 5.4GT/s
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks AMD Epyc 7662 AMD FX-8320
Cinebench R20 Score (Multi-Thread) 18203 Not Known
Cinebench R20 Score (Single Thread) 386 Not Known
PassMark Score Not Known 8199
PassMark Score (Single Thread) Not Known 1403
PassMark Score (Overclocked) Not Known 9371
CPU Performance (Per Watt) Not Known 75.0
Power Consumption Under High Load Not Known 185.4W
Standard Power Consumption Not Known 73.2W

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