Intel Core i7-8700K vs Intel Core i7-2700K

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Intel Core i7-8700K
Intel Core i7-8700K Image
Intel Core i7-2700K
Intel Core i7-2700K Image
Intel Core i7-8700K
Intel Core i7-2700K
Key Differences Key Differences Intel Core i7-8700K Intel Core i7-2700K
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 95W
Has integrated graphics Yes Yes
Performance per watt Not Known 34.3
Performance Performance Intel Core i7-8700K Intel Core i7-2700K
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 Yes
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
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Features Features Intel Core i7-8700K Intel Core i7-2700K
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
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 No
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Miscellaneous Miscellaneous Intel Core i7-8700K Intel Core i7-2700K
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i7-8700K Intel Core i7-2700K
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 32nm
GPU Base Clock Speed 350MHz 850MHz
TDP (Thermal Design Point) 95W 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 1200MHz 1350MHz
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 i7-8700K Intel Core i7-2700K
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 42.7GB/s 21GB/s
Max Memory Channels 2 2
Supported Memory Size 64GB 32GB
Bus Bandwidth 8GT/s 5GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version Not Known 3
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Benchmarks Benchmarks Intel Core i7-8700K Intel Core i7-2700K
PassMark Score 16270 5553
PassMark Score (Single Thread) 2728 1788
Geekbench 5 Score (Multi-Thread) Not Known 3261
Geekbench 5 Score (Single Thread) Not Known 841
Blender Score (bmw27) Not Known 506seconds
PassMark Score (Overclocked) Not Known 7177
CPU Performance (Per Watt) Not Known 34.3
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