Intel Core i9-10900K vs Intel Core i7-3960X

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Intel Core i9-10900K
Intel Core i9-10900K Image
Intel Core i7-3960X
Intel Core i7-3960X Image
Intel Core i9-10900K
Intel Core i7-3960X
Key Differences Key Differences Intel Core i9-10900K Intel Core i7-3960X
Cores 10 6
CPU Threads 20 12
Base Clock Speed 3.7GHz 3.3GHz
Turbo Clock Speed 5.3GHz 3.9GHz
TDP (THERMAL DESIGN POINT) 125W 130W
Has integrated graphics Yes No
Performance per watt 87.9 37.6
Performance Performance Intel Core i9-10900K Intel Core i7-3960X
CPU Speed & Cores 10 x 3.7GHz 6 x 3.3GHz
Number of CPU Threads 20 12
L2 Cache Size 2.5MB 1.5MB
L3 Cache Size 20MB 15MB
Turbo Boost Frequency 5.3GHz 3.9GHz
L1 Cache Size 640KB 384KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 2.5MB/core
Turbo Boost Tech Version 2 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 33
Features Features Intel Core i9-10900K Intel Core i7-3960X
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
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
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-10900K Intel Core i7-3960X
Height 37.5mm 52.5mm
Width Size 37.5mm 45mm
General info General info Intel Core i9-10900K Intel Core i7-3960X
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) 125W 130W
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
Width Size 37.5mm 45mm
Height 37.5mm 52.5mm
Does it have Integrated Graphics Yes No
Transistor Count Not Known 2270 million
OpenGL Driver Version Not Known 1.1
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-10900K Intel Core i7-3960X
RAM Memory Speed 2933MHz 1600MHz
Max Memory Bandwidth 45.8GB/s 51.2GB/s
Max Memory Channels 2 4
Supported Memory Size 128GB 64GB
Bus Bandwidth 8GT/s 5GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 3
Benchmarks Benchmarks Intel Core i9-10900K Intel Core i7-3960X
PassMark Score 24183 8866
PassMark Score (Single Thread) 3175 1815
Geekbench 5 Score (Multi-Thread) 10991 4887
Cinebench R20 Score (Single Thread) 539 Not Known
Cinebench R20 Score (Multi-Thread) 6399 Not Known
Geekbench 5 Score (Single Thread) 1406 818
Blender Score (bmw27) 132.9seconds 426.4seconds
Blender Score (Classroom) 409.6seconds 1513.8seconds
PassMark Score (Overclocked) 24362 10059
CPU Performance (Per Watt) 87.9 37.6

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