EPYC 7663P vs i7-6950X

Primary details

Comparing Core i7-6950X and EPYC 7663P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	706	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.85	no data
Market segment	Desktop processor	Server
Series	Intel Core i7 (Desktop)	no data
Power efficiency	7.39	no data
Architecture codename	Broadwell-E (2016)	Milan (2021−2023)
Release date	31 May 2016 (8 years ago)	5 September 2023 (1 year ago)
Launch price (MSRP)	$1,723	$3,139

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6950X and EPYC 7663P 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)	56 (Hexapentaconta-Core)
Threads	20	112
Base clock speed	3 GHz	2 GHz
Boost clock speed	4 GHz	3.5 GHz
Bus rate	9.6 GT/s / QPI	no data
L1 cache	32K (per core)	64 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	25 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm
Die size	246 mm2	8x 81 mm2
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	3,800 million	33,200 million
64 bit support	+	-
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i7-6950X and EPYC 7663P 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	SP3
Power consumption (TDP)	140 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6950X and EPYC 7663P. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	+	no data
Precision Boost 2	no data	+

Security technologies

Core i7-6950X and EPYC 7663P technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6950X and EPYC 7663P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6950X and EPYC 7663P. 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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core i7-6950X and EPYC 7663P.

PCIe version	3.0	4.0
PCI Express lanes	40	128

Pros & cons summary

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Recency	31 May 2016	5 September 2023
Physical cores	10	56
Threads	20	112
Chip lithography	14 nm	7 nm
Power consumption (TDP)	140 Watt	240 Watt

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Should you still have questions on choice between Core i7-6950X and EPYC 7663P, ask them in Comments section, and we shall answer.

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