i9-9800X vs i7-6850K

Primary details

Comparing Core i7-6850K and Core i9-9800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	978	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.37	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	4.88	no data
Architecture codename	Broadwell-E (2016)	Skylake-X (2018)
Release date	31 May 2016 (8 years ago)	October 2018 (6 years ago)
Launch price (MSRP)	$475	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6850K and Core i9-9800X 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)	8 (Octa-Core)
Threads	12	16
Base clock speed	3.6 GHz	no data
Boost clock speed	4 GHz	3.8 GHz
L1 cache	32 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	15 MB (shared)	16.5 MB (shared)
Chip lithography	14 nm	14 nm
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	+

Compatibility

Information on Core i7-6850K and Core i9-9800X 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	FCLGA2011	2066
Power consumption (TDP)	140 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6850K and Core i9-9800X. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	+	no data

Security technologies

Core i7-6850K and Core i9-9800X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6850K and Core i9-9800X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6850K and Core i9-9800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	128 GB	no data
Max memory channels	4	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6850K and Core i9-9800X.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Physical cores	6	8
Threads	12	16
Power consumption (TDP)	140 Watt	165 Watt

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Should you still have questions on choice between Core i7-6850K and Core i9-9800X, ask them in Comments section, and we shall answer.

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