Intel Core i7-9800X vs Intel Core i5-6400T

VS
Intel Core i7-9800X
Intel Core i7-9800X Image
Intel Core i5-6400T
Intel Core i5-6400T Image
Intel Core i7-9800X
Intel Core i5-6400T
Key Differences Key Differences Intel Core i7-9800X Intel Core i5-6400T
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.8GHz 2.2GHz
Turbo Clock Speed 4.4GHz 2.8GHz
TDP (THERMAL DESIGN POINT) 165W 35W
Has integrated graphics No Yes
Performance per watt 52.9 325.5
Performance Performance Intel Core i7-9800X Intel Core i5-6400T
CPU Speed & Cores 8 x 3.8GHz 4 x 2.2GHz
Number of CPU Threads 16 4
L2 Cache Size 8MB 1MB
L3 Cache Size 16.5MB 6MB
Turbo Boost Frequency 4.4GHz 2.8GHz
L1 Cache Size 512KB 128KB
L2 Core 1MB/core 0.2MB/core
L3 Core 2.06MB/core 1.5MB/core
Clock Multiplier 38 22
Turbo Boost Tech Version 2 Not Known
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-9800X Intel Core i5-6400T
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 FMA4 Instructions Support No No
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
General info General info Intel Core i7-9800X Intel Core i5-6400T
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 95°C 66°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 4.4
OpenGL Driver Version Not Known 2
GPU Boost Clock Speed Not Known 950MHz
Total GPU Execution Units Not Known 24
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-9800X Intel Core i5-6400T
RAM Memory Speed 2666MHz 2133MHz
Max Memory Bandwidth 79.47GB/s 34.1GB/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 Not Known
Benchmarks Benchmarks Intel Core i7-9800X Intel Core i5-6400T
PassMark Score 18293 5292
PassMark Score (Single Thread) 2642 1511
Geekbench 5 Score (Multi-Thread) 8722 Not Known
Geekbench 5 Score (Single Thread) 1157 Not Known
Blender Score (bmw27) 192seconds Not Known
Blender Score (Classroom) 594.5seconds Not Known
PassMark Score (Overclocked) 20820 5452
CPU Performance (Per Watt) 52.9 325.5

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