Intel Core i9-9920X vs Intel Core i5-9400

VS
Intel Core i9-9920X
Intel Core i9-9920X Image
Intel Core i5-9400
Intel Core i5-9400 Image
Intel Core i9-9920X
Intel Core i5-9400
Key Differences Key Differences Intel Core i9-9920X Intel Core i5-9400
Cores 12 6
CPU Threads 24 6
Base Clock Speed 3.5GHz 2.9GHz
Turbo Clock Speed 4.4GHz 4.1GHz
TDP (THERMAL DESIGN POINT) 165W 65W
Has integrated graphics No Yes
Performance per watt 72.3 70.6
Performance Performance Intel Core i9-9920X Intel Core i5-9400
CPU Speed & Cores 12 x 3.5GHz 6 x 2.9GHz
Number of CPU Threads 24 6
L2 Cache Size 12MB 1.5MB
L3 Cache Size 19.25MB 9MB
Turbo Boost Frequency 4.4GHz 4.1GHz
L1 Cache Size 768KB 384KB
L2 Core 1MB/core 0.25MB/core
L3 Core 1.6MB/core 1.5MB/core
Clock Multiplier 35 29
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 i9-9920X Intel Core i5-9400
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 i9-9920X Intel Core i5-9400
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
CPU Temperature 92°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
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 i9-9920X Intel Core i5-9400
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 85.3GB/s 41.6GB/s
Max Memory Channels 4 2
Supported Memory Size 128GB 128GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 4
Benchmarks Benchmarks Intel Core i9-9920X Intel Core i5-9400
PassMark Score 25352 9548
PassMark Score (Single Thread) 2655 2503
Geekbench 5 Score (Multi-Thread) 11930 4586
Cinebench R20 Score (Single Thread) 455 Not Known
Cinebench R20 Score (Multi-Thread) 5179 Not Known
Geekbench 5 Score (Single Thread) 1071 1060
Blender Score (bmw27) 117.9seconds 349.4seconds
Blender Score (Classroom) 365.1seconds 1065.9seconds
PassMark Score (Overclocked) 27840 10436
CPU Performance (Per Watt) 72.3 70.6

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