i5-12600KF vs Xeon E3-1271 v3

Primary details

Comparing Xeon E3-1271 v3 and Core i5-12600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1255	352
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	46.52
Market segment	Server	Desktop processor
Series	no data	Intel Core i5
Power efficiency	5.61	13.31
Architecture codename	no data	Alder Lake, Golden Cove, Gracemont (2021)
Release date	1 April 2014 (10 years ago)	27 October 2021 (3 years ago)
Launch price (MSRP)	no data	$264

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1271 v3 and Core i5-12600KF 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)	10 (Deca-Core)
Threads	8	16
Base clock speed	3.6 GHz	3.7 GHz
Boost clock speed	4 GHz	4.9 GHz
Bus type	no data	DMI 4.0
Bus rate	5 GT/s	8 × 16 GT/s
Multiplier	no data	37
L1 cache	no data	384 KB
L2 cache	no data	9.5 MB
L3 cache	8 MB Intel® Smart Cache	2 MB
Chip lithography	22 nm	Intel 7 nm
Die size	no data	215.25 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon E3-1271 v3 and Core i5-12600KF 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	FCLGA1150	FCLGA1700
Power consumption (TDP)	80 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Core i5-12600KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
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	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	-
Turbo Boost Max 3.0	no data	-
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E3-1271 v3 and Core i5-12600KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1271 v3 and Core i5-12600KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Core i5-12600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR5-4800, DDR4-3200
Maximum memory size	32 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	76.805 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Core i5-12600KF.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	16	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.

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Pros & cons summary

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Performance score	4.83	17.91
Recency	1 April 2014	27 October 2021
Physical cores	4	10
Threads	8	16
Power consumption (TDP)	80 Watt	125 Watt

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Should you still have questions on choice between Xeon E3-1271 v3 and Core i5-12600KF, ask them in Comments section, and we shall answer.

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