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Intel Core i7-4820K vs Intel Core i7-3960X

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Intel Core i7-4820K

The Intel Core i7-4820K operates with 4 cores and 8 CPU threads. It run at 3.90 GHz base 3.80 GHz all cores while the TDP is set at 130 W.The processor is attached to the LGA 2011 CPU socket. This version includes 10.00 MB of L3 cache on one chip, supports 4 memory channels to support DDR3-1866 RAM and features 3.0 PCIe Gen 40 lanes. Tjunction keeps below -- degrees C. In particular, Ivy Bridge E Architecture is enhanced with 22 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q3/2013

Intel Core i7-3960X

The Intel Core i7-3960X operates with 6 cores and 8 CPU threads. It run at 3.90 GHz base 3.90 GHz all cores while the TDP is set at 130 W.The processor is attached to the LGA 2011 CPU socket. This version includes 15.00 MB of L3 cache on one chip, supports 4 memory channels to support DDR3-1600 RAM and features PCIe Gen lanes. Tjunction keeps below -- degrees C. In particular, Sandy Bridge E Architecture is enhanced with 32 nm technology and supports VT-x, VT-x EPT, VT-d (C2 Stepping). The product was launched on Q4/2011

Intel Core i7-4820K

Intel Core i7-3960X

Intel Core i7-4820K

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Intel Core i7-3960X

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Compare Detail

3.70 GHz	Frequency	3.30 GHz
4	Cores	6
3.90 GHz	Turbo (1 Core)	3.90 GHz
3.80 GHz	Turbo (All Cores)	3.90 GHz
Yes	Hyperthreading	Yes
Yes	Overclocking	Yes
normal	Core Architecture	normal
no iGPU	GPU	no iGPU
No turbo	GPU (Turbo)	No turbo
22 nm	Technology	32 nm
No turbo	GPU (Turbo)	No turbo
	DirectX Version
	Max. displays
DDR3-1866	Memory	DDR3-1600
4	Memory channels	4
	Max memory
No	ECC	No
--	L2 Cache	--
10.00 MB	L3 Cache	15.00 MB
3.0	PCIe version
40	PCIe lanes
22 nm	Technology	32 nm
LGA 2011	Socket	LGA 2011
130 W	TDP	130 W
VT-x, VT-x EPT, VT-d	Virtualization	VT-x, VT-x EPT, VT-d (C2 Stepping)
Q3/2013	Release date	Q4/2011
Show more data		Show more data

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-4820K 147 (43%)

Intel Core i7-3960X 165 (48%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-4820K 729 (7%)

Intel Core i7-3960X 1,161 (11%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-4820K 830 (37%)

Intel Core i7-3960X 841 (37%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-4820K 3,393 (7%)

Intel Core i7-3960X 4,976 (10%)

Geekbench 3, 64bit (Single-Core)

Geekbench 3 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-4820K 3,820 (55%)

Intel Core i7-3960X 3,320 (48%)

Geekbench 3, 64bit (Multi-Core)

Geekbench 3 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-4820K 15,100 (16%)

Intel Core i7-3960X 19,304 (20%)

Cinebench R11.5, 64bit (Single-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i7-4820K 1.81 (49%)

Intel Core i7-3960X 1.63 (44%)

Cinebench R11.5, 64bit (Multi-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i7-4820K 8.78 (16%)

Intel Core i7-3960X 11.39 (21%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-Comparison. However the majority of CPUs have not been tested and the results have been estimated by a CPU-Comparison’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

Intel Core i7-4820K 10,358 (10%)

Intel Core i7-3960X 12,715 (12%)

Electric Usage Estimate

Average hours of use per day

Average CPU Utilization (0-100%)

Power cost, dollar per kWh

Electric Usage Estimate

Average hours of use per day

Average CPU Utilization (0-100%)

Power cost, dollar per kWh

Intel Core i7-4820K		Intel Core i7-3960X
130 W	Max TDP	130 W
NA	Power consumption per day (kWh)	NA
NA	Running cost per day	NA
NA	Power consumption per year (kWh)	NA
NA	Running cost per year	NA