Intel Core i7-8700K vs Intel Core i7-4771

VS
Intel Core i7-8700K
Intel Core i7-8700K Image
Intel Core i7-4771
Intel Core i7-4771 Image
Intel Core i7-8700K
Intel Core i7-4771
Key Differences Key Differences Intel Core i7-8700K Intel Core i7-4771
Cores 6 4
CPU Threads 12 8
Base Clock Speed 3.7GHz 3.5GHz
Turbo Clock Speed 4.7GHz 3.9GHz
TDP (THERMAL DESIGN POINT) 95W 84W
Has integrated graphics Yes Yes
Performance per watt Not Known Not Known
Performance Performance Intel Core i7-8700K Intel Core i7-4771
CPU Speed & Cores 6 x 3.7GHz 4 x 3.5GHz
Number of CPU Threads 12 8
L2 Cache Size 1.5MB 1MB
L3 Cache Size 12MB 8MB
Turbo Boost Frequency 4.7GHz 3.9GHz
L1 Cache Size 384KB 256KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 2MB/core
Clock Multiplier 37 35
Turbo Boost Tech Version 2 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-8700K Intel Core i7-4771
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
Supports ARM TrustZone Tech No No
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
Miscellaneous Miscellaneous Intel Core i7-8700K Intel Core i7-4771
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i7-8700K Intel Core i7-4771
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 22nm
GPU Base Clock Speed 350MHz 350MHz
TDP (Thermal Design Point) 95W 84W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.5 4
GPU Boost Clock Speed 1200MHz 1200MHz
No. of Supported Displays 3 3
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
Transistor Count Not Known 1400 million
Total GPU Execution Units Not Known 20
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-8700K Intel Core i7-4771
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 42.7GB/s 25.6GB/s
Max Memory Channels 2 2
Supported Memory Size 64GB 32GB
Bus Bandwidth 8GT/s Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i7-8700K Intel Core i7-4771
PassMark Score 16270 Not Known
PassMark Score (Single Thread) 2728 Not Known

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