Intel Core i7-8700K vs Intel Core i7-3970X

VS
Intel Core i7-8700K
Intel Core i7-8700K Image
Intel Core i7-3970X
Intel Core i7-3970X Image
Intel Core i7-8700K
Intel Core i7-3970X
Key Differences Key Differences Intel Core i7-8700K Intel Core i7-3970X
Cores 6 6
CPU Threads 12 12
Base Clock Speed 3.7GHz 3.5GHz
Turbo Clock Speed 4.7GHz 4GHz
TDP (THERMAL DESIGN POINT) 95W 150W
Has integrated graphics Yes No
Performance per watt Not Known 116.0
Performance Performance Intel Core i7-8700K Intel Core i7-3970X
CPU Speed & Cores 6 x 3.7GHz 6 x 3.5GHz
Number of CPU Threads 12 12
L2 Cache Size 1.5MB 1MB
L3 Cache Size 12MB 15MB
Turbo Boost Frequency 4.7GHz 4GHz
L1 Cache Size 384KB 384KB
L2 Core 0.25MB/core 0.16MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 2.5MB/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 i7-3970X
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
Miscellaneous Miscellaneous Intel Core i7-8700K Intel Core i7-3970X
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i7-8700K Intel Core i7-3970X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 95W 150W
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 Not Known
No. of Supported Displays 3 Not Known
Height 37.5mm 52.5mm
Width Size 37.5mm 45mm
Does it have Integrated Graphics Yes No
Transistor Count Not Known 2270 million
OpenGL Driver Version Not Known 1.1
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory Intel Core i7-8700K Intel Core i7-3970X
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 42.7GB/s 51.2GB/s
Max Memory Channels 2 4
Supported Memory Size 64GB 64GB
Bus Bandwidth 8GT/s 5GT/s
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i7-8700K Intel Core i7-3970X
PassMark Score 16270 12923
PassMark Score (Single Thread) 2728 2047
PassMark Score (Overclocked) Not Known 15030
CPU Performance (Per Watt) Not Known 116.0
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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