Intel Core i9-9900 vs Intel Core i5-10400

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Intel Core i9-9900
Intel Core i9-9900 Image
Intel Core i5-10400
Intel Core i5-10400 Image
Intel Core i9-9900
Intel Core i5-10400
Key Differences Key Differences Intel Core i9-9900 Intel Core i5-10400
Cores 8 6
CPU Threads 16 12
Base Clock Speed 3.1GHz 2.9GHz
Turbo Clock Speed 5GHz 4.3GHz
TDP (THERMAL DESIGN POINT) 65W 65W
Has integrated graphics Yes Yes
Performance per watt 119.0 87.4
Performance Performance Intel Core i9-9900 Intel Core i5-10400
CPU Speed & Cores 8 x 3.1GHz 6 x 2.9GHz
Number of CPU Threads 16 12
L2 Cache Size 2MB 1.5MB
L3 Cache Size 16MB 12MB
Turbo Boost Frequency 5GHz 4.3GHz
L1 Cache Size 512KB 384KB
L2 Core 0.25MB/core 0.25MB/core
L3 Core 2MB/core 2MB/core
Clock Multiplier 31 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 i9-9900 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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Miscellaneous Miscellaneous Intel Core i9-9900 Intel Core i5-10400
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i9-9900 Intel Core i5-10400
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz 350MHz
TDP (Thermal Design Point) 65W 65W
PCI Express Version 3 3
CPU Temperature 100°C 100°C
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.5
GPU Boost Clock Speed 1200MHz 1100MHz
No. of Supported Displays 3 3
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
Supports Power Optimized L2 Cache No No
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Memory Memory Intel Core i9-9900 Intel Core i5-10400
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 41.6GB/s 41.6GB/s
Max Memory Channels 2 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
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Benchmarks Benchmarks Intel Core i9-9900 Intel Core i5-10400
PassMark Score 17150 12495
PassMark Score (Single Thread) 2890 2596
Geekbench 5 Score (Multi-Thread) 7734 5681
Cinebench R20 Score (Multi-Thread) 4346 3197
Cinebench R20 Score (Single Thread) 518 450
Geekbench 5 Score (Single Thread) 1244 1118
Blender Score (bmw27) 193.8seconds 256.8seconds
Blender Score (Classroom) 630.1seconds 820.4seconds
PassMark Score (Overclocked) Not Known 12857
CPU Performance (Per Watt) 119.0 87.4
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