Intel Core i5-9400 vs Intel Core i5-2500K

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Intel Core i5-9400
Intel Core i5-9400 Image
Intel Core i5-2500K
Intel Core i5-2500K Image
Intel Core i5-9400
Intel Core i5-2500K
Key Differences Key Differences Intel Core i5-9400 Intel Core i5-2500K
Cores 6 4
CPU Threads 6 4
Base Clock Speed 2.9GHz 3.4GHz
Turbo Clock Speed 4.1GHz 3.7GHz
TDP (THERMAL DESIGN POINT) 65W 95W
Has integrated graphics Yes Yes
Performance per watt 70.6 96.0
Performance Performance Intel Core i5-9400 Intel Core i5-2500K
CPU Speed & Cores 6 x 2.9GHz 4 x 3.4GHz
Number of CPU Threads 6 4
L2 Cache Size 1.5MB 1MB
L3 Cache Size 9MB 6MB
Turbo Boost Frequency 4.1GHz 3.7GHz
L1 Cache Size 384KB 256KB
L2 Core 0.25MB/core 0.25MB/core
L3 Core 1.5MB/core 1.5MB/core
Clock Multiplier 29 33
Turbo Boost Tech Version 2 Not Known
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 i5-9400 Intel Core i5-2500K
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 No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports ARM TrustZone Tech No No
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Miscellaneous Miscellaneous Intel Core i5-9400 Intel Core i5-2500K
Width Size 37.5mm 37.5mm
Height 37.5mm 37.5mm
General info General info Intel Core i5-9400 Intel Core i5-2500K
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 32nm
GPU Base Clock Speed 350MHz 850MHz
TDP (Thermal Design Point) 65W 95W
PCI Express Version 3 2
CPU Temperature 100°C Not Known
DirectX Version Info 12 10.1
OpenGL Driver Version 4.5 3
GPU Boost Clock Speed 1050MHz 1100MHz
No. of Supported Displays 3 2
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
Transistor Count Not Known 995 million
OpenGL Driver Version Not Known 1.1
Total GPU Execution Units Not Known 12
Supports Power Optimized L2 Cache No No
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Memory Memory Intel Core i5-9400 Intel Core i5-2500K
RAM Memory Speed 2666MHz 1333MHz
Max Memory Bandwidth 41.6GB/s 21GB/s
Max Memory Channels 2 2
Supported Memory Size 128GB 32GB
Bus Bandwidth 8GT/s 5GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
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Benchmarks Benchmarks Intel Core i5-9400 Intel Core i5-2500K
PassMark Score 9548 6387
PassMark Score (Single Thread) 2503 1864
Geekbench 5 Score (Multi-Thread) 4586 Not Known
Geekbench 5 Score (Single Thread) 1060 Not Known
Blender Score (Classroom) 1065.9seconds Not Known
Blender Score (bmw27) 349.4seconds Not Known
PassMark Score (Overclocked) 10436 8113
CPU Performance (Per Watt) 70.6 96.0
Power Consumption Under High Load Not Known 125.6W
Standard Power Consumption Not Known 73.4W
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