Intel Core i9-9980XE vs Intel Core i5-8400T

VS
Intel Core i9-9980XE
Intel Core i9-9980XE Image
Intel Core i5-8400T
Intel Core i5-8400T Image
Intel Core i9-9980XE
Intel Core i5-8400T
Key Differences Key Differences Intel Core i9-9980XE Intel Core i5-8400T
Cores 18 6
CPU Threads 36 6
Base Clock Speed 3GHz 1.7GHz
Turbo Clock Speed 4.4GHz 3.3GHz
TDP (THERMAL DESIGN POINT) 165W 35W
Has integrated graphics No Yes
Performance per watt 92.7 104.5
Performance Performance Intel Core i9-9980XE Intel Core i5-8400T
CPU Speed & Cores 18 x 3GHz 6 x 1.7GHz
Number of CPU Threads 36 6
L2 Cache Size 18MB 1.5MB
L3 Cache Size 24.75MB 9MB
Turbo Boost Frequency 4.4GHz 3.3GHz
L1 Cache Size 1152KB 384KB
L2 Core 1MB/core 0.25MB/core
L3 Core 1.38MB/core 1.5MB/core
Clock Multiplier 30 17
Turbo Boost Tech Version 2 2
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-9980XE Intel Core i5-8400T
Has AES Support Yes Yes
Supports CPU Throttling Yes No
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 No
Has Multithreading Tech Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Has NX Processor Bit Support No Yes
General info General info Intel Core i9-9980XE Intel Core i5-8400T
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 35W
PCI Express Version 3 3
CPU Temperature 84°C 100°C
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 350MHz
DirectX Version Info Not Known 12
OpenGL Driver Version Not Known 4.5
OpenGL Driver Version Not Known 2
GPU Boost Clock Speed Not Known 1050MHz
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9980XE Intel Core i5-8400T
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 85.3GB/s 41.6GB/s
Max Memory Channels 4 2
Supported Memory Size 128GB 64GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 4
Benchmarks Benchmarks Intel Core i9-9980XE Intel Core i5-8400T
PassMark Score 32010 7763
PassMark Score (Single Thread) 2577 2002
Geekbench 5 Score (Multi-Thread) 15288 3659
Cinebench R20 Score (Multi-Thread) 7516 Not Known
Cinebench R20 Score (Single Thread) 459 Not Known
Geekbench 5 Score (Single Thread) 1135 860
Blender Score (Classroom) 264.3seconds Not Known
Blender Score (bmw27) 104.3seconds Not Known
PassMark Score (Overclocked) 34204 Not Known
CPU Performance (Per Watt) 92.7 104.5

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