Atom x7-E3950 vs i7-3930K

Primary details

Comparing Core i7-3930K and Atom x7-E3950 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1195	2356
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.49	no data
Market segment	Desktop processor	Laptop
Series	no data	7x Intel Atom
Power efficiency	3.76	9.23
Architecture codename	Sandy Bridge-E (2011−2013)	Apollo Lake (2014−2016)
Release date	14 November 2011 (13 years ago)	30 August 2014 (10 years ago)
Launch price (MSRP)	$611	$57

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-3930K and Atom x7-E3950 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	4
Base clock speed	3.2 GHz	1.6 GHz
Boost clock speed	3.8 GHz	2 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	56K (per core)
L2 cache	256 KB (per core)	2 MB (shared)
L3 cache	12 MB (shared)	0 KB
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	no data	110 °C
Maximum case temperature (TCase)	67 °C	103 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-3930K and Atom x7-E3950 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1 (Uniprocessor)
Socket	FCLGA2011	Intel BGA 1296
Power consumption (TDP)	130 Watt	12 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3930K and Atom x7-E3950. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	+	no data
Demand Based Switching	-	no data

Security technologies

Core i7-3930K and Atom x7-E3950 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Identity Protection	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3930K and Atom x7-E3950 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3930K and Atom x7-E3950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	64.23 GB	8 GB
Max memory channels	4	no data
Maximum memory bandwidth	51.2 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics 505

Peripherals

Specifications and connection of peripherals supported by Core i7-3930K and Atom x7-E3950.

PCIe version	2.0	2.0
PCI Express lanes	40	4

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	5.16	1.17
Recency	14 November 2011	30 August 2014
Physical cores	6	4
Threads	12	4
Chip lithography	32 nm	14 nm
Power consumption (TDP)	130 Watt	12 Watt

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Should you still have questions on choice between Core i7-3930K and Atom x7-E3950, ask them in Comments section, and we shall answer.

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