Intel Core i9-7980XE vs Intel Core i5-8420

VS
Intel Core i9-7980XE
Intel Core i9-7980XE Image
Intel Core i5-8420
Intel Core i5-8420 Image
Intel Core i9-7980XE
Intel Core i5-8420
Key Differences Key Differences Intel Core i9-7980XE Intel Core i5-8420
Cores 18 6
CPU Threads 36 6
Base Clock Speed 2.6GHz 2.9GHz
Turbo Clock Speed 4.4GHz 4.1GHz
TDP (THERMAL DESIGN POINT) 165W 65W
Has integrated graphics No Yes
Performance per watt Not Known Not Known
Performance Performance Intel Core i9-7980XE Intel Core i5-8420
CPU Speed & Cores 18 x 2.6GHz 6 x 2.9GHz
Number of CPU Threads 36 6
L2 Cache Size 18MB 1.5MB
L3 Cache Size 24.7MB 9MB
Turbo Boost Frequency 4.4GHz 4.1GHz
L1 Cache Size 576KB 384KB
L2 Core 1MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 1.3MB/core 1.5MB/core
Turbo Boost Tech Version 3 2
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 29
Features Features Intel Core i9-7980XE Intel Core i5-8420
Has AES Support Yes Yes
Supports CPU Throttling 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 Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Miscellaneous Miscellaneous Intel Core i9-7980XE Intel Core i5-8420
Height 51mm 37.5mm
Width Size 58.5mm 37.5mm
General info General info Intel Core i9-7980XE Intel Core i5-8420
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 65W
PCI Express Version 3 3
Width Size 58.5mm 37.5mm
Height 51mm 37.5mm
Does it have Integrated Graphics No Yes
CPU Temperature Not Known 72°C
DirectX Version Info Not Known 12
OpenGL Driver Version Not Known 4.4
OpenGL Driver Version Not Known 2
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-7980XE Intel Core i5-8420
RAM Memory Speed 2666MHz 2666MHz
Max Memory Channels 4 2
Max Memory Bandwidth Not Known 39.74GB/s
Supported Memory Size Not Known 64GB
Bus Bandwidth Not Known 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version Not Known 4

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