Intel Core i7-4790K vs Intel Core i5+8400

VS
Intel Core i7-4790K
Intel Core i7-4790K Image
Intel Core i5+8400
Intel Core i5+8400 Image
Intel Core i7-4790K
Intel Core i5+8400
Key Differences Key Differences Intel Core i7-4790K Intel Core i5+8400
Cores 4 6
CPU Threads 8 6
Base Clock Speed 4GHz 2.8GHz
Turbo Clock Speed 4.4GHz 4GHz
TDP (THERMAL DESIGN POINT) 88W 65W
Has integrated graphics Yes Yes
Performance per watt 45.4 Not Known
Performance Performance Intel Core i7-4790K Intel Core i5+8400
CPU Speed & Cores 4 x 4GHz 6 x 2.8GHz
Number of CPU Threads 8 6
L2 Cache Size 1MB 1.5MB
L3 Cache Size 8MB 9MB
Turbo Boost Frequency 4.4GHz 4GHz
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 1.5MB/core
Clock Multiplier 40 28
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Turbo Boost Tech Version Not Known 2
Features Features Intel Core i7-4790K Intel Core i5+8400
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
Miscellaneous Miscellaneous Intel Core i7-4790K Intel Core i5+8400
Cinebench 10 Score 32390 No Data Found
Cinebench 11.5 Score 9.66 No Data Found
7zip Benchmark 26152MIPS No Data Found
Cinebench 10 Score (Single Thread) 8785 No Data Found
Cinebench 11.5 Score (Single Thread) 2.05 No Data Found
General info General info Intel Core i7-4790K Intel Core i5+8400
Has 64-bit Support No Data Found No Data Found
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 1050MHz
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
Memory Memory Intel Core i7-4790K Intel Core i5+8400
RAM Memory Speed 1600MHz 2666MHz
Max Memory Bandwidth 25.6GB/s 41.6GB/s
Max Memory Channels 2 2
Supported Memory Size 32GB 64GB
Bus Bandwidth 5GT/s 8GT/s
DDR Type Memory Version 3 Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i7-4790K Intel Core i5+8400
PassMark Score 8089 11685
PassMark Score (Single Thread) 2484 2270
Geekbench 5 Score (Multi-Thread) 3991 Not Known
Cinebench R20 Score (Multi-Thread) 1982 Not Known
Cinebench R20 Score (Single Thread) 411 Not Known
Geekbench 5 Score (Single Thread) 1068 Not Known
Blender Score (Classroom) 1320.7seconds Not Known
Blender Score (bmw27) 423.2seconds Not Known
PassMark Score (Overclocked) 8880 Not Known
CPU Performance (Per Watt) 45.4 Not Known

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