Core i7-2600K vs Core i9-7920X

Primary details

Comparing Core i9-7920X and Core i7-2600K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	426	1457
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	12.09	1.37
Market segment	Desktop processor	Desktop processor
Series	Intel Core i9	Intel Core i7 (Desktop)
Architecture codename	Skylake (server) (2017−2019)	Sandy Bridge (2011−2013)
Release date	10 September 2017 (6 years ago)	9 January 2011 (13 years ago)
Launch price (MSRP)	$1,199	$317
Current price	$432 (0.4x MSRP)	$111 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7920X has 782% better value for money than i7-2600K.

Detailed specifications

Core i9-7920X and Core i7-2600K 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	8
Base clock speed	2.9 GHz	3.4 GHz
Boost clock speed	4.4 GHz	3.8 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1 MB (per core)	256K (per core)
L3 cache	16.5 MB (shared)	8 MB (shared)
Chip lithography	14 nm	32 nm
Die size	484 mm2	216 mm2
Maximum core temperature	95 °C	73 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	1,160 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-7920X and Core i7-2600K 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	LGA1155
Power consumption (TDP)	140 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7920X and Core i7-2600K. 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® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	+
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
Turbo Boost Max 3.0	+	no data
FDI	no data	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Core i9-7920X and Core i7-2600K technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	+	+
Identity Protection	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7920X and Core i7-2600K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7920X and Core i7-2600K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3
Maximum memory size	128 GB	32 GB
Max memory channels	4	2
Maximum memory bandwidth	85 GB/s	21 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel HD Graphics 3000
Quick Sync Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.35 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i9-7920X and Core i7-2600K integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Core i9-7920X and Core i7-2600K.

PCIe version	3.0	2.0
PCI Express lanes	44	16

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 i9-7920X outperforms Core i7-2600K by 330% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	15.27	3.55
Recency	10 September 2017	9 January 2011
Physical cores	12	4
Threads	24	8
Cost	$1199	$317
Chip lithography	14 nm	32 nm
Power consumption (TDP)	140 Watt	95 Watt

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Should you still have questions on choice between Core i9-7920X and Core i7-2600K, ask them in Comments section, and we shall answer.

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