Intel Core i7-3960X vs Intel Core i7-5820K

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Intel Core i7-3960X
Intel Core i7-3960X Image
Intel Core i7-5820K
Intel Core i7-5820K Image
Intel Core i7-3960X
Intel Core i7-5820K
Key Differences Key Differences Intel Core i7-3960X Intel Core i7-5820K
Cores 6 6
CPU Threads 12 12
Base Clock Speed 3.3GHz 3.3GHz
Turbo Clock Speed 3.9GHz 3.6GHz
TDP (THERMAL DESIGN POINT) 130W 140W
Has integrated graphics No No
Performance per watt 37.6 25.0
Performance Performance Intel Core i7-3960X Intel Core i7-5820K
CPU Speed & Cores 6 x 3.3GHz 6 x 3.3GHz
Number of CPU Threads 12 12
L2 Cache Size 1.5MB 1.5MB
L3 Cache Size 15MB 15MB
Turbo Boost Frequency 3.9GHz 3.6GHz
L1 Cache Size 384KB 192KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2.5MB/core 2.5MB/core
Clock Multiplier 33 35
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-3960X Intel Core i7-5820K
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 Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has F16C Support No Yes
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
Has FMA3 Instructions Support No Yes
Miscellaneous Miscellaneous Intel Core i7-3960X Intel Core i7-5820K
Geekbench Score 16241 3564
Cinebench 10 Score 31491 No Data Found
Cinebench 11.5 Score 10.52 No Data Found
7zip Benchmark 31232MIPS No Data Found
SysMark 2012 Score 241 No Data Found
DivX encoding Score 22.5s No Data Found
CPU Data Work Score 317 No Data Found
Media Creation Score 212 No Data Found
Web Dev Score 268 No Data Found
Cinebench 10 Score (Single Thread) 5298 No Data Found
Cinebench 11.5 Score (Single Thread) 1.57 No Data Found
3D Modelling Score 309 No Data Found
Office Productivity Score 183 No Data Found
System Management Score 190 No Data Found
X264 HD Score (Pass 1) 192.4FPS No Data Found
X264 HD Score (Pass 2) 61.2FPS No Data Found
Handbrake Encoding Score 64.9s No Data Found
Height 52.5mm 52.5mm
Width Size 45mm 45mm
General info General info Intel Core i7-3960X Intel Core i7-5820K
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 32nm 22nm
TDP (Thermal Design Point) 130W 140W
PCI Express Version 2 3
DirectX Version Info 10.1 Not Known
Transistor Count 2270 million 2600 million
OpenGL Driver Version 3 4
OpenGL Driver Version 1.1 Not Known
Width Size 45mm 45mm
Height 52.5mm 52.5mm
CPU Temperature Not Known 66.8°C
Supports Power Optimized L2 Cache No No
Does it have Integrated Graphics No No
Memory Memory Intel Core i7-3960X Intel Core i7-5820K
RAM Memory Speed 1600MHz 2133MHz
Max Memory Bandwidth 51.2GB/s 68GB/s
Max Memory Channels 4 4
Supported Memory Size 64GB 64GB
Bus Bandwidth 5GT/s 5GT/s
DDR Type Memory Version 3 Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i7-3960X Intel Core i7-5820K
PassMark Score 8866 12926
PassMark Score (Single Thread) 1815 1979
Geekbench 5 Score (Multi-Thread) 4887 Not Known
Geekbench 5 Score (Single Thread) 818 Not Known
Blender Score (Classroom) 1513.8seconds Not Known
Blender Score (bmw27) 426.4seconds Not Known
PassMark Score (Overclocked) 10059 15269
CPU Performance (Per Watt) 37.6 25.0

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