Intel Core i9-9900T vs Intel Core i5-9400T

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Intel Core i9-9900T
Intel Core i9-9900T Image
Intel Core i5-9400T
Intel Core i5-9400T Image
Intel Core i9-9900T
Intel Core i5-9400T
Key Differences Key Differences Intel Core i9-9900T Intel Core i5-9400T
Cores 8 6
CPU Threads 16 6
Base Clock Speed 2.1GHz 1.8GHz
Turbo Clock Speed 4.4GHz 3.4GHz
TDP (THERMAL DESIGN POINT) 35W 35W
Has integrated graphics Yes Yes
Performance per watt Not Known Not Known
Performance Performance Intel Core i9-9900T Intel Core i5-9400T
CPU Speed & Cores 8 x 2.1GHz 6 x 1.8GHz
Number of CPU Threads 16 6
L2 Cache Size 2MB 1.5MB
L3 Cache Size 16MB 9MB
Turbo Boost Frequency 4.4GHz 3.4GHz
L1 Cache Size 512KB 384KB
L2 Core 0.25MB/core 0.25MB/core
L3 Core 2MB/core 1.5MB/core
Clock Multiplier 21 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 i9-9900T Intel Core i5-9400T
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 i9-9900T Intel Core i5-9400T
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i9-9900T Intel Core i5-9400T
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz 350MHz
TDP (Thermal Design Point) 35W 35W
CPU Temperature 100°C 100°C
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.5
GPU Boost Clock Speed 1200MHz 1050MHz
No. of Supported Displays 3 3
Width Size 37.5mm 37.5mm
Height 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
PCI Express Version Not Known 3
Supports Power Optimized L2 Cache No No
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Memory Memory Intel Core i9-9900T Intel Core i5-9400T
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 i9-9900T Intel Core i5-9400T
PassMark Score 13844 7768
PassMark Score (Single Thread) 2465 2054
Cinebench R20 Score (Single Thread) 449 Not Known
Cinebench R20 Score (Multi-Thread) 3920 Not Known
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