Intel Core i5-10400 vs Intel Core i9-7900X

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Intel Core i5-10400
Intel Core i5-10400 Image
Intel Core i9-7900X
Intel Core i9-7900X Image
Intel Core i5-10400
Intel Core i9-7900X
Key Differences Key Differences Intel Core i5-10400 Intel Core i9-7900X
Cores 6 10
CPU Threads 12 20
Base Clock Speed 2.9GHz 3.3GHz
Turbo Clock Speed 4.3GHz 4.5GHz
TDP (THERMAL DESIGN POINT) 65W 140W
Has integrated graphics Yes No
Performance per watt 87.4 Not Known
Performance Performance Intel Core i5-10400 Intel Core i9-7900X
CPU Speed & Cores 6 x 2.9GHz 10 x 3.3GHz
Number of CPU Threads 12 20
L2 Cache Size 1.5MB 10MB
L3 Cache Size 12MB 13.7MB
Turbo Boost Frequency 4.3GHz 4.5GHz
L1 Cache Size 384KB 320KB
L2 Core 0.25MB/core 1MB/core
L3 Core 2MB/core 1.3MB/core
Turbo Boost Tech Version 2 3
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
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Features Features Intel Core i5-10400 Intel Core i9-7900X
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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Miscellaneous Miscellaneous Intel Core i5-10400 Intel Core i9-7900X
Height 37.5mm 51mm
Width Size 37.5mm 58.5mm
General info General info Intel Core i5-10400 Intel Core i9-7900X
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 65W 140W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.5 Not Known
GPU Boost Clock Speed 1100MHz Not Known
No. of Supported Displays 3 Not Known
Width Size 37.5mm 58.5mm
Height 37.5mm 51mm
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
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Memory Memory Intel Core i5-10400 Intel Core i9-7900X
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 41.6GB/s Not Known
Max Memory Channels 2 4
Supported Memory Size 128GB 128GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
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Benchmarks Benchmarks Intel Core i5-10400 Intel Core i9-7900X
PassMark Score 12495 Not Known
PassMark Score (Single Thread) 2596 Not Known
Cinebench R20 Score (Single Thread) 450 Not Known
Cinebench R20 Score (Multi-Thread) 3197 Not Known
Blender Score (bmw27) 256.8seconds Not Known
Blender Score (Classroom) 820.4seconds Not Known
Geekbench 5 Score (Multi-Thread) 5681 Not Known
Geekbench 5 Score (Single Thread) 1118 Not Known
PassMark Score (Overclocked) 12857 Not Known
CPU Performance (Per Watt) 87.4 Not Known
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