Core i7-6950X Extreme Edition vs Core i5-8420

Primary details

Comparing Core i5-8420 and Core i7-6950X Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	Intel Core i7EE
Architecture codename	Coffee Lake (2017−2019)	Broadwell (2015−2019)
Release date	1 September 2018 (5 years ago)	no data
Launch price (MSRP)	no data	$1,743
Current price	no data	$499 (0.3x MSRP)

Detailed specifications

Core i5-8420 and Core i7-6950X Extreme Edition 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)	10 (Deca-Core)
Threads	6	20
Base clock speed	2.9 GHz	no data
Boost clock speed	4.1 GHz	3 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	2.5 MB
L3 cache	9 MB (shared)	25 MB
Chip lithography	14 nm	14 nm
Die size	126 mm2	246 mm2
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	3400 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-8420 and Core i7-6950X Extreme Edition 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	1151	no data
Power consumption (TDP)	65 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8420 and Core i7-6950X Extreme Edition. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8420 and Core i7-6950X Extreme Edition are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8420 and Core i7-6950X Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	no data
Maximum memory size	64 GB	128 GB
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel UHD Graphics 630

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8420 and Core i7-6950X Extreme Edition.

PCIe version	3.0	3.0
PCI Express lanes	no data	40

Pros & cons summary

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Physical cores	6	10
Threads	6	20
Power consumption (TDP)	65 Watt	140 Watt

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Should you still have questions on choice between Core i5-8420 and Core i7-6950X Extreme Edition, ask them in Comments section, and we shall answer.

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