Core i7-3930K vs Core i9-10900X

Primary details

Comparing Core i9-10900X and Core i7-3930K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	467	1114
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	16.09	1.88
Market segment	Desktop processor	Desktop processor
Architecture codename	Cascade Lake-X (2019)	Sandy Bridge-E (2011−2013)
Release date	19 October 2019 (4 years ago)	14 November 2011 (12 years ago)
Launch price (MSRP)	no data	$611
Current price	$512	$190 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-10900X has 756% better value for money than i7-3930K.

Detailed specifications

Core i9-10900X and Core i7-3930K 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	10 (Deca-Core)	6 (Hexa-Core)
Threads	20	12
Base clock speed	3.7 GHz	3.2 GHz
Boost clock speed	4.7 GHz	3.8 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	256 KB (per core)
L3 cache	19.25 MB (shared)	12 MB (shared)
Chip lithography	14 nm	32 nm
Die size	no data	435 mm2
Maximum core temperature	94 °C	67 °C
Maximum case temperature (TCase)	no data	67 °C
Number of transistors	no data	2,270 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-10900X and Core i7-3930K 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
Socket	FCLGA2066	FCLGA2011
Power consumption (TDP)	165 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10900X and Core i7-3930K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2, Intel® AVX
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	no data	+
Thermal Monitoring	no data	+
Smart Response	no data	+
Demand Based Switching	no data	-
Turbo Boost Max 3.0	+	no data
Status	Launched	Discontinued

Security technologies

Core i9-10900X and Core i7-3930K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Identity Protection	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10900X and Core i7-3930K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-10900X and Core i7-3930K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR3
Maximum memory size	256 GB	64.23 GB
Max memory channels	4	4
Maximum memory bandwidth	94 GB/s	51.2 GB/s
ECC memory support	-	-

Peripherals

Specifications and connection of peripherals supported by Core i9-10900X and Core i7-3930K.

PCIe version	3.0	2.0
PCI Express lanes	48	40

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.

Core i9-10900X outperforms Core i7-3930K by 175% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	14.55	5.30
Recency	19 October 2019	14 November 2011
Physical cores	10	6
Threads	20	12
Chip lithography	14 nm	32 nm
Power consumption (TDP)	165 Watt	130 Watt

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Should you still have questions on choice between Core i9-10900X and Core i7-3930K, ask them in Comments section, and we shall answer.

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