Intel Core i9-10900X vs Intel Core i5-10400

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Intel Core i9-10900X
Intel Core i9-10900X Image
Intel Core i5-10400
Intel Core i5-10400 Image
Intel Core i9-10900X
Intel Core i5-10400
Key Differences Key Differences Intel Core i9-10900X Intel Core i5-10400
Cores 10 6
CPU Threads 20 12
Base Clock Speed 3.7GHz 2.9GHz
Turbo Clock Speed 4.5GHz 4.3GHz
TDP (THERMAL DESIGN POINT) 165W 65W
Has integrated graphics No Yes
Performance per watt 64.2 87.4
Performance Performance Intel Core i9-10900X Intel Core i5-10400
CPU Speed & Cores 10 x 3.7GHz 6 x 2.9GHz
Number of CPU Threads 20 12
L2 Cache Size 10MB 1.5MB
L3 Cache Size 19.25MB 12MB
Turbo Boost Frequency 4.5GHz 4.3GHz
L1 Cache Size 640KB 384KB
L2 Core 1MB/core 0.25MB/core
L3 Core 1.93MB/core 2MB/core
Clock Multiplier 37 Not Known
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
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Features Features Intel Core i9-10900X Intel Core i5-10400
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
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General info General info Intel Core i9-10900X Intel Core i5-10400
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 65W
PCI Express Version 3 3
CPU Temperature 94°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 1100MHz
No. of Supported Displays Not Known 3
Supports Power Optimized L2 Cache No No
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Memory Memory Intel Core i9-10900X Intel Core i5-10400
RAM Memory Speed 2933MHz 2666MHz
Max Memory Channels 4 2
Supported Memory Size 256GB 128GB
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 4
Max Memory Bandwidth Not Known 41.6GB/s
Bus Bandwidth Not Known 8GT/s
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Benchmarks Benchmarks Intel Core i9-10900X Intel Core i5-10400
PassMark Score 22692 12495
PassMark Score (Single Thread) 2727 2596
Geekbench 5 Score (Multi-Thread) 10587 5681
Geekbench 5 Score (Single Thread) 1154 1118
Blender Score (bmw27) 136.4seconds 256.8seconds
Blender Score (Classroom) 453.7seconds 820.4seconds
PassMark Score (Overclocked) 23514 12857
CPU Performance (Per Watt) 64.2 87.4
Cinebench R20 Score (Multi-Thread) Not Known 3197
Cinebench R20 Score (Single Thread) Not Known 450
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