Xeon Platinum 9221 vs i7-6950X

Primary details

Comparing Core i7-6950X and Xeon Platinum 9221 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	718	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.89	no data
Market segment	Desktop processor	Server
Series	Intel Core i7 (Desktop)	Intel Xeon Platinum
Power efficiency	7.38	no data
Architecture codename	Broadwell-E (2016)	Cascade Lake-AP (2019)
Release date	31 May 2016 (8 years ago)	2 April 2019 (5 years ago)
Launch price (MSRP)	$1,723	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6950X and Xeon Platinum 9221 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)	32 (Dotriaconta-Core)
Threads	20	64
Base clock speed	3 GHz	2.3 GHz
Boost clock speed	4 GHz	3.7 GHz
Bus type	no data	DMI 3.0
Bus rate	9.6 GT/s / QPI	4 × 8 GT/s
Multiplier	no data	21
L1 cache	32K (per core)	64K (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	25 MB (shared)	71.5 MB (shared)
Chip lithography	14 nm	14 nm
Die size	246 mm2	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	3,800 million	8,000 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Core i7-6950X and Xeon Platinum 9221 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	8
Socket	FCLGA2011	Intel BGA5903
Power consumption (TDP)	140 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6950X and Xeon Platinum 9221. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Smart Response	+	no data
Turbo Boost Max 3.0	+	no data

Security technologies

Core i7-6950X and Xeon Platinum 9221 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 i7-6950X and Xeon Platinum 9221 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6950X and Xeon Platinum 9221. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2933
Maximum memory size	128 GB	2 TiB
Max memory channels	4	12
Maximum memory bandwidth	no data	281.6 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-6950X and Xeon Platinum 9221.

PCIe version	3.0	3.0
PCI Express lanes	40	no data

Pros & cons summary

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Recency	31 May 2016	2 April 2019
Physical cores	10	32
Threads	20	64
Power consumption (TDP)	140 Watt	250 Watt

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Should you still have questions on choice between Core i7-6950X and Xeon Platinum 9221, ask them in Comments section, and we shall answer.

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