Core i7-11700KF vs Xeon X5667

Primary details

Comparing Xeon X5667 and Core i7-11700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1564	418
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.59	47.20
Market segment	Server	Desktop processor
Architecture codename	Westmere-EP (2010−2011)	Rocket Lake (2021)
Release date	16 March 2010 (14 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$80	no data
Current price	$361 (4.5x MSRP)	$242

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-11700KF has 7900% better value for money than Xeon X5667.

Detailed specifications

Xeon X5667 and Core i7-11700KF 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	4 (Quad-Core)	8 (Octa-Core)
Threads	8	16
Base clock speed	3.06 GHz	3.6 GHz
Boost clock speed	3.46 GHz	5 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	12 MB (shared)	16 MB (shared)
Chip lithography	32 nm	14 nm
Die size	239 mm2	no data
Maximum core temperature	83 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon X5667 and Core i7-11700KF 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	2	1
Socket	FCLGA1366,LGA1366	FCLGA1200
Power consumption (TDP)	95 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5667 and Core i7-11700KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	+
Idle States	+	+
Thermal Monitoring	-	+
SIPP	no data	-
Demand Based Switching	+	no data
PAE	40 Bit	no data
Turbo Boost Max 3.0	no data	+
Status	Discontinued	Discontinued

Security technologies

Xeon X5667 and Core i7-11700KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
Identity Protection	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5667 and Core i7-11700KF are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5667 and Core i7-11700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	288 GB	128 GB
Max memory channels	3	2
Maximum memory bandwidth	32 GB/s	50 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon X5667 and Core i7-11700KF.

PCIe version	2.0	4.0
PCI Express lanes	no data	20

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.

Core i7-11700KF outperforms Xeon X5667 by 415% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	3.01	15.51
Recency	16 March 2010	16 March 2021
Physical cores	4	8
Threads	8	16
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	125 Watt

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Should you still have questions on choice between Xeon X5667 and Core i7-11700KF, ask them in Comments section, and we shall answer.

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