i5-9600KF vs i7-7800X

Primary details

Comparing Core i7-7800X and Core i5-9600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	934	1035
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.35	7.68
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7	Intel Core i5
Power efficiency	5.45	6.66
Architecture codename	Skylake (server) (2017−2018)	Coffee Lake (2017−2019)
Release date	26 June 2017 (7 years ago)	8 January 2019 (5 years ago)
Launch price (MSRP)	$383	$262

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-9600KF has 129% better value for money than i7-7800X.

Detailed specifications

Core i7-7800X and Core i5-9600KF 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)	6 (Hexa-Core)
Threads	12	6
Base clock speed	3.5 GHz	3.7 GHz
Boost clock speed	4 GHz	4.6 GHz
Bus type	DMI 3.0	DMI 3.0
Bus rate	4 × 8 GT/s	4 × 8 GT/s
Multiplier	35	37
L1 cache	64 KB (per core)	64K (per core)
L2 cache	1 MB (per core)	256K (per core)
L3 cache	8.25 MB (shared)	9 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	149 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	+

Compatibility

Information on Core i7-7800X and Core i5-9600KF 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 (Uniprocessor)	1 (Uniprocessor)
Socket	FCLGA2066	FCLGA1151
Power consumption (TDP)	140 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7800X and Core i5-9600KF. 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® AVX2
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	-
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
SIPP	-	+

Security technologies

Core i7-7800X and Core i5-9600KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
Secure Key	no data	+
MPX	-	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7800X and Core i5-9600KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Core i5-9600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-2666
Maximum memory size	128 GB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7800X and Core i5-9600KF.

PCIe version	3.0	3.0
PCI Express lanes	28	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.

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Pros & cons summary

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Performance score	8.11	6.72
Recency	26 June 2017	8 January 2019
Threads	12	6
Power consumption (TDP)	140 Watt	95 Watt

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Should you still have questions on choice between Core i7-7800X and Core i5-9600KF, ask them in Comments section, and we shall answer.

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