Intel Core i7-4790K vs Intel Core i5-10400

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Intel Core i7-4790K
Intel Core i7-4790K Image
Intel Core i5-10400
Intel Core i5-10400 Image
Intel Core i7-4790K
Intel Core i5-10400
Key Differences Key Differences Intel Core i7-4790K Intel Core i5-10400
Cores 4 6
CPU Threads 8 12
Base Clock Speed 4GHz 2.9GHz
Turbo Clock Speed 4.4GHz 4.3GHz
TDP (THERMAL DESIGN POINT) 88W 65W
Has integrated graphics Yes Yes
Performance per watt 45.4 87.4
Performance Performance Intel Core i7-4790K Intel Core i5-10400
CPU Speed & Cores 4 x 4GHz 6 x 2.9GHz
Number of CPU Threads 8 12
L2 Cache Size 1MB 1.5MB
L3 Cache Size 8MB 12MB
Turbo Boost Frequency 4.4GHz 4.3GHz
L1 Cache Size 256KB 384KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 2MB/core
Clock Multiplier 40 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Boost Tech Version Not Known 2
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Features Features Intel Core i7-4790K 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 Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
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Miscellaneous Miscellaneous Intel Core i7-4790K Intel Core i5-10400
Cinebench 10 Score 32390 Yes
Cinebench 11.5 Score 9.66 Yes
7zip Benchmark 26152MIPS Yes
Cinebench 10 Score (Single Thread) 8785 Yes
Cinebench 11.5 Score (Single Thread) 2.05 Yes
General info General info Intel Core i7-4790K Intel Core i5-10400
Has 64-bit Support Yes Yes
Semiconductor Size 22nm 14nm
GPU Base Clock Speed 350MHz 350MHz
TDP (Thermal Design Point) 88W 65W
PCI Express Version 3 3
CPU Temperature 72.72°C 100°C
Transistor Count 1400 million Not Known
OpenGL Driver Version 4 4.5
GPU Boost Clock Speed 1250MHz 1100MHz
No. of Supported Displays 3 3
Does it have Integrated Graphics Yes Yes
DirectX Version Info Not Known 12
Supports Power Optimized L2 Cache No No
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Memory Memory Intel Core i7-4790K Intel Core i5-10400
RAM Memory Speed 1600MHz 2666MHz
Max Memory Bandwidth 25.6GB/s 41.6GB/s
Max Memory Channels 2 2
Supported Memory Size 32GB 128GB
Bus Bandwidth 5GT/s 8GT/s
DDR Type Memory Version 3 4
ECC (Error-Correcting Code) Memory Support No No
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Benchmarks Benchmarks Intel Core i7-4790K Intel Core i5-10400
PassMark Score 8089 12495
PassMark Score (Single Thread) 2484 2596
Geekbench 5 Score (Multi-Thread) 3991 5681
Cinebench R20 Score (Multi-Thread) 1982 3197
Cinebench R20 Score (Single Thread) 411 450
Geekbench 5 Score (Single Thread) 1068 1118
Blender Score (Classroom) 1320.7seconds 820.4seconds
Blender Score (bmw27) 423.2seconds 256.8seconds
PassMark Score (Overclocked) 8880 12857
CPU Performance (Per Watt) 45.4 87.4
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